Iodoform-Calcium Hydroxide Pastes vs CTZ in Pediatric Dentistry

Iodoform-calcium hydroxide pastes have gained attention as a potential alternative to CTZ paste in pediatric endodontics. While CTZ (chloramphenicol, tetracycline, zinc oxide-eugenol) has demonstrated clinical success, concerns regarding antibiotic resistance, cytotoxicity, and regulatory restrictions have prompted the search for safer substitutes.

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This article critically evaluates the benefits, risks, and clinical performance of iodoform-calcium hydroxide formulations compared to CTZ.

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✅ Introduction
The management of infected primary teeth often relies on obturation materials with antimicrobial properties and biocompatibility. CTZ paste has been widely used due to its broad-spectrum antibacterial action, but its composition—particularly chloramphenicol—raises safety concerns.
In contrast, iodoform-calcium hydroxide pastes (e.g., Vitapex®, Metapex®) have emerged as promising alternatives due to their resorbability and favorable biological profile. This article explores whether these materials can effectively replace CTZ in clinical practice.

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✅ Material Composition and Mechanism of Action

CTZ Paste
▪️ Components: Chloramphenicol, tetracycline, zinc oxide-eugenol
▪️ Mechanism: Broad-spectrum antibacterial effect via protein synthesis inhibition
▪️ Limitation: Potential systemic toxicity and antibiotic resistance

Iodoform-Calcium Hydroxide Pastes
▪️ Components: Calcium hydroxide, iodoform, silicone oil (vehicle)
▪️ Mechanism:
₀ High pH (≈12.5) → antimicrobial activity
₀ Iodoform → sustained antiseptic effect
▪️ Advantage: Promotes periapical healing and physiological root resorption

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✅ Clinical Indications and Applications

Iodoform-calcium hydroxide pastes are indicated for:
▪️ Pulpectomy in primary teeth
▪️ Teeth with periapical lesions
▪️ Cases requiring resorbable obturation materials

CTZ is typically used in:
▪️ Non-instrumentation endodontic techniques
▪️ Situations with limited clinical time or patient cooperation

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✅ Benefits of Iodoform-Calcium Hydroxide Pastes
▪️ Superior biocompatibility compared to antibiotic-based pastes
▪️ Resorbability synchronized with primary root resorption
▪️ Reduced risk of systemic adverse effects
▪️ Lower contribution to antimicrobial resistance
▪️ Radiopacity and ease of placement

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✅ Risks and Limitations
▪️ Potential over-resorption before complete root resorption
▪️ Lower immediate antibacterial potency compared to CTZ
▪️ Risk of extrusion beyond apex, although generally well tolerated
▪️ Possible discoloration due to iodoform content

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💬 Discussion
The replacement of CTZ with iodoform-calcium hydroxide pastes reflects a broader shift toward biologically acceptable and antibiotic-free materials. Although CTZ demonstrates strong antimicrobial efficacy, its reliance on broad-spectrum antibiotics is increasingly problematic in modern clinical practice.
Evidence suggests that calcium hydroxide-based pastes provide adequate disinfection while supporting tissue repair and regeneration. However, their clinical success depends on proper case selection and technique, especially in teeth with extensive infection.
Furthermore, the resorbable nature of iodoform-calcium hydroxide pastes aligns well with the physiology of primary dentition, reducing the risk of interference with permanent tooth eruption.

✍️ Conclusion
Iodoform-calcium hydroxide pastes represent a viable and safer alternative to CTZ, particularly in pediatric patients. Although they may exhibit slightly reduced immediate antibacterial activity, their superior biocompatibility, physiological resorbability, and lower systemic risk profile support their preference in most clinical scenarios.

🎯 Clinical Recommendations
▪️ Prefer iodoform-calcium hydroxide pastes in routine pulpectomies
▪️ Reserve CTZ for specific cases where rapid disinfection is critical
▪️ Avoid CTZ in patients with antibiotic sensitivity or systemic risk factors
▪️ Ensure accurate obturation technique to prevent extrusion
▪️ Monitor treated teeth radiographically for resorption patterns

Parameter	Iodoform-Calcium Hydroxide Pastes	CTZ Paste
Composition	Calcium hydroxide + iodoform	Chloramphenicol + tetracycline + ZOE
Antimicrobial Action	High pH + antiseptic effect	Broad-spectrum antibiotic effect
Biocompatibility	High	Moderate to low
Resorbability	Physiological, synchronized with roots	Limited or unpredictable
Systemic Risk	Low	Higher (antibiotic-related)
Clinical Indication	Pulpectomy in primary teeth	Non-instrumentation techniques

📚 References

✔ American Academy of Pediatric Dentistry. (2023). Guideline on pulp therapy for primary and immature permanent teeth. Pediatric Dentistry, 45(6), 384–392.
✔ Coll, J. A., Vargas, K., Marghalani, A. A., Chen, C. Y., & AlShamali, S. (2020). A systematic review and meta-analysis of nonvital pulp therapy for primary teeth. Pediatric Dentistry, 42(4), 256–261.
✔ Siqueira, J. F., & Rôças, I. N. (2019). Present status and future directions in endodontic microbiology. Endodontic Topics, 38(1), 3–23. https://doi.org/10.1111/etp.12264
✔ Subramaniam, P., Konde, S., Mandanna, D. K. (2011). Clinical and radiographic evaluation of metapex in pulpectomy of primary teeth. Journal of Indian Society of Pedodontics and Preventive Dentistry, 29(3), 233–238. https://doi.org/10.4103/0970-4388.85818
✔ Trairatvorakul, C., & Chunlasikaiwan, S. (2008). Success of pulpectomy with zinc oxide-eugenol vs iodoform paste in primary molars: A clinical study. International Journal of Paediatric Dentistry, 18(3), 169–177. https://doi.org/10.1111/j.1365-263X.2007.00914.x

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Hall Technique vs Pulpotomy: Decision-Making in Deep Caries

Deep caries management in primary teeth remains a clinical challenge, requiring a balance between biological preservation and long-term success.

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PDF 🔽 Hall technique: Complete information for the treatment of carious primary molars ... The objective of the article is to provide adequate information on the Hall technique, indications, contraindications, disadvantages, and the cost-effectiveness of this procedure.

The Hall Technique and pulpotomy represent two evidence-based approaches with distinct philosophies. This review analyzes indications, clinical outcomes, advantages, and limitations, providing a decision-making framework for clinicians.

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✅ Introduction
The management of deep carious lesions in primary teeth has evolved toward minimally invasive dentistry. Traditional approaches such as pulpotomy aim to remove infected pulp tissue, whereas the Hall Technique seals caries without removal.
Understanding the biological basis, patient factors, and clinical indications is essential for optimal outcomes in pediatric patients.

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✅ Clinical Approaches for Deep Caries Management

Hall Technique
The Hall Technique involves placement of a preformed metal crown (PMC) over a carious primary molar without caries removal, tooth preparation, or local anesthesia.
▪️ Mechanism: Seals cariogenic biofilm, depriving bacteria of nutrients
▪️ Indications:
₀ Asymptomatic teeth
₀ No signs of irreversible pulpitis or abscess
₀ Cooperative or anxious pediatric patients
▪️ Contraindications:
Pulpal pathology (pain, fistula, radiolucency)

Pulpotomy
Pulpotomy is a vital pulp therapy procedure involving removal of the coronal pulp, preserving radicular pulp vitality.
▪️ Mechanism: Elimination of infected pulp tissue and placement of medicament (e.g., MTA, Biodentine)
▪️ Indications:
₀ Deep caries with reversible pulpitis
₀ No radicular pathology
▪️ Contraindications:
₀ Necrosis or irreversible pulpitis

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✅ Comparative Clinical Outcomes
▪️ Success rates: Both techniques demonstrate high success rates (>85–90%) in properly selected cases
▪️ Longevity: Hall Technique shows comparable or superior survival due to reduced technique sensitivity
▪️ Patient acceptance: Higher in Hall Technique due to non-invasive nature
▪️ Operator dependency: Higher in pulpotomy, requiring strict asepsis and technique

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💬 Discussion
The key difference lies in treatment philosophy:

▪️ Hall Technique supports a non-invasive, biofilm control approach
▪️ Pulpotomy follows a surgical intervention model
Recent evidence suggests that sealing caries is as effective as removing it, provided the pulp remains vital. However, accurate diagnosis is critical, as misjudging pulpal status may lead to failure.
Additionally, material selection in pulpotomy (e.g., MTA vs formocresol) significantly influences outcomes, with modern biomaterials showing superior biocompatibility.

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✅ Clinical Decision-Making Framework
Clinicians should consider:

▪️ Pulp status (vital vs inflamed)
▪️ Child behavior and cooperation
▪️ Extent of caries and tooth restorability
▪️ Availability of materials and expertise
The Hall Technique is preferred for asymptomatic cases, while pulpotomy is indicated when pulpal inflammation is evident but reversible.

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✍️ Conclusion
Both Hall Technique and pulpotomy are effective for managing deep caries in primary teeth, but their success depends on case selection and diagnosis. Minimally invasive strategies are increasingly favored, positioning the Hall Technique as a first-line option in suitable cases.

🎯 Recommendations
▪️ Use the Hall Technique in asymptomatic deep caries to preserve pulp vitality
▪️ Reserve pulpotomy for cases with confirmed reversible pulp involvement
▪️ Adopt bioactive materials (MTA, Biodentine) in pulpotomy procedures
▪️ Prioritize accurate diagnosis using clinical and radiographic criteria
▪️ Incorporate minimally invasive dentistry principles into pediatric care

📊 Summary Table: Hall Technique vs Pulpotomy in Deep Caries

Clinical Criteria	Hall Technique	Pulpotomy
Invasiveness	Non-invasive, no caries removal	Invasive, requires pulp removal
Pulp Status Requirement	Vital, asymptomatic pulp	Reversible pulpitis
Anesthesia	Usually not required	Required
Technique Sensitivity	Low	High
Patient Acceptance	High	Moderate
Longevity	High survival rates	High with proper technique
Main Limitation	Not suitable for symptomatic teeth	Risk of failure if diagnosis is incorrect

📚 References

✔ Innes, N. P. T., Evans, D. J. P., & Stirrups, D. R. (2007). The Hall Technique: A randomized controlled clinical trial of a novel method of managing carious primary molars in general dental practice. British Dental Journal, 203(11), 1–9. https://doi.org/10.1038/bdj.2007.1110
✔ Innes, N. P. T., Ricketts, D., & Evans, D. J. (2011). Preformed metal crowns for decayed primary molar teeth. Cochrane Database of Systematic Reviews, (12), CD005512. https://doi.org/10.1002/14651858.CD005512.pub3
✔ American Academy of Pediatric Dentistry. (2023). Guideline on pulp therapy for primary and immature permanent teeth. Pediatric Dentistry, 45(6), 384–392.
✔ Holan, G., & Fuks, A. B. (2013). A comparison of pulpotomy using formocresol and ferric sulfate in primary molars: Long-term results. Pediatric Dentistry, 35(2), 129–134.
✔ Cushley, S., Duncan, H. F., Lappin, M. J., Chua, P., Clarke, M., & Elamin, F. (2020). Efficacy of vital pulp therapy in primary teeth: Systematic review and meta-analysis. International Endodontic Journal, 53(10), 1401–1425. https://doi.org/10.1111/iej.13375

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TheraCal: Clinical Guide, Uses & Benefits

TheraCal is a resin-modified calcium silicate material designed for vital pulp therapy and dentin protection. Its bioactive behavior, including calcium ion release and dentin bridge stimulation, has positioned it as a contemporary alternative to traditional materials.

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This article provides a comprehensive review of its uses, advantages, disadvantages, types, clinical application protocol, and specific considerations in pediatric dentistry.

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✅ Introduction
Preserving pulp vitality remains a fundamental goal in restorative and pediatric dentistry. Materials used in deep caries management must exhibit biocompatibility, sealing ability, and bioactivity. TheraCal has emerged as a clinically efficient solution, combining biological performance with simplified handling through light-curing technology.

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1. Types of TheraCal
Currently, two main formulations are available:

TheraCal LC (Light-Cured):
▪️ Most widely used version
▪️ Resin-modified calcium silicate
▪️ Immediate polymerization

TheraCal PT (Putty):
▪️ Designed for pulpotomy procedures
▪️ Higher viscosity and improved handling
▪️ Enhanced indication in pediatric dentistry

2. Clinical Uses of TheraCal
TheraCal is indicated for:

▪️ Direct pulp capping
▪️ Indirect pulp treatment (IPT)
▪️ Liner/base under restorations
▪️ Pulpotomy procedures (TheraCal PT)
▪️ Management of deep carious lesions with reversible pulpitis

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3. Mechanism of Action
The effectiveness of TheraCal is based on:

▪️ Release of calcium ions, promoting mineralization and reparative dentin formation
▪️ Alkaline pH, providing antibacterial effects
▪️ Formation of a hydroxyapatite-like layer, improving the seal
▪️ Stimulation of odontoblastic activity and pulp healing

4. Advantages of TheraCal

▪️ Immediate light curing, reducing chair time
▪️ Enhanced handling properties compared to MTA
▪️ Reduced solubility and washout risk
▪️ Bioactive stimulation of dentin bridge formation
▪️ Effective marginal seal, limiting microleakage

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5. Disadvantages and Limitations

▪️ Presence of resin components, which may influence biocompatibility
▪️ Lower long-term evidence compared to MTA
▪️ Potential cytotoxic effects if improperly polymerized
▪️ Technique sensitivity related to moisture control and curing depth

6. Step-by-Step Clinical Application
Standard protocol for TheraCal LC:

1. Diagnosis and case selection (reversible pulpitis only)
2. Isolation (preferably rubber dam)
3. Caries removal while preserving affected dentin
4. Hemostasis (if pulp exposure occurs)
5. Apply a thin layer of TheraCal LC (≤1 mm)
6. Light cure for 20 seconds
7. Place definitive restorative material (e.g., composite)
8. Perform occlusal adjustment and follow-up evaluation

7. Differences in Pediatric Dentistry
In pediatric patients, TheraCal demonstrates specific clinical advantages:

▪️ Reduced chair time, critical for behavior management
▪️ Simplified application, improving treatment efficiency
▪️ Indicated for pulpotomy (TheraCal PT) in primary teeth
▪️ Suitable for indirect pulp treatment in high caries-risk children

However:
▪️ Careful selection is required due to immature pulp tissue sensitivity
▪️ Long-term outcomes in primary dentition remain under investigation

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💬 Discussion
Current literature supports that TheraCal provides reliable outcomes in vital pulp therapy, particularly due to its bioactive calcium release and sealing capacity. Compared to calcium hydroxide, it exhibits superior mechanical properties and reduced dissolution, improving restoration longevity.
Nevertheless, controversy persists regarding its resin matrix, which may affect cell viability and pulp response under suboptimal conditions. While MTA remains the gold standard for bioactivity, TheraCal offers significant advantages in handling and clinical efficiency, especially in pediatric settings.
Thus, clinical decision-making should balance biological performance with procedural efficiency.

✍️ Conclusion
TheraCal is a versatile and bioactive material that enhances clinical efficiency and pulp preservation outcomes. Its ease of use and immediate setting make it particularly valuable in modern dentistry. However, case selection and correct technique remain essential to ensure optimal results.

🎯 Clinical Recommendations
▪️ Use TheraCal in vital pulp therapy cases with reversible pulpitis
▪️ Ensure adequate isolation and proper light curing
▪️ Limit thickness to ≤1 mm for optimal polymerization
▪️ Consider TheraCal PT for pediatric pulpotomy procedures
▪️ Maintain long-term clinical and radiographic follow-up
▪️ Prefer MTA in cases requiring maximum biocompatibility

📚 References

✔ Gandolfi, M. G., Siboni, F., & Prati, C. (2012). Chemical–physical properties of TheraCal, a novel light-cured MTA-like material for pulp capping. International Endodontic Journal, 45(6), 571–579. https://doi.org/10.1111/j.1365-2591.2012.02013.x
✔ Hebling, J., Lessa, F. C. R., Nogueira, I., Carvalho, R. M., & Costa, C. A. S. (2019). Cytotoxicity of resin-based light-cured pulp capping materials. Operative Dentistry, 44(5), E193–E203. https://doi.org/10.2341/18-089-L
✔ Camilleri, J. (2015). Hydraulic calcium silicate cements: chemistry and clinical applications. Endodontic Topics, 32(1), 1–18. https://doi.org/10.1111/etp.12067
✔ Poggio, C., Arciola, C. R., Beltrami, R., Monaco, A., Dagna, A., & Lombardini, M. (2014). Cytocompatibility and antibacterial properties of capping materials. Scientific World Journal, 2014, 181945. https://doi.org/10.1155/2014/181945

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Apexogenesis with MTA: Indications, Clinical Protocol, and Evidence-Based Technique

Apexogenesis is a vital pulp therapy aimed at maintaining pulp vitality to allow continued root development in immature permanent teeth. Mineral trioxide aggregate (MTA) has emerged as a gold-standard biomaterial due to its superior biocompatibility and sealing ability.

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This article reviews indications, clinical technique, advantages, and limitations of apexogenesis with MTA, supported by current scientific evidence.

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✅ Introduction
Apexogenesis refers to the physiological continuation of root development and apical closure in immature permanent teeth with vital pulp tissue. The preservation of pulp vitality is essential for achieving adequate root length and dentinal wall thickness.
Historically, calcium hydroxide was widely used; however, MTA has gained preference due to improved outcomes, including enhanced dentin bridge formation and superior sealing properties.

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✅ Indications for Apexogenesis with MTA
Apexogenesis using MTA is indicated under the following clinical conditions:

▪️ Immature permanent teeth with open apices
▪️ Vital pulp tissue without signs of necrosis
▪️ Reversible pulpitis or minimal inflammation
▪️ Pulp exposure due to trauma or caries (recent exposure)
▪️ Absence of periapical pathology
These criteria are essential to ensure the success of vital pulp therapy and continued root maturation.

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✅ Biological Properties of MTA
MTA is widely used due to its favorable biological characteristics:

▪️ High biocompatibility
▪️ Ability to stimulate hard tissue (dentin bridge) formation
▪️ Excellent sealing capacity
▪️ Alkaline pH promoting antimicrobial activity
Additionally, MTA has been associated with reduced pulpal inflammation and improved healing outcomes compared to traditional materials.

✅ Clinical Technique (Step-by-Step Protocol)

1. Diagnosis and Case Selection
▪️ Clinical and radiographic evaluation
▪️ Confirmation of pulp vitality
▪️ Assessment of root development stage

2. Anesthesia and Isolation
▪️ Local anesthesia
▪️ Rubber dam isolation to ensure asepsis

3. Caries Removal and Access
▪️ Conservative removal of infected dentin
▪️ Exposure of pulp tissue under sterile conditions

4. Pulpotomy Procedure
▪️ Partial (Cvek) or full pulpotomy depending on inflammation
▪️ Hemostasis achieved using sterile saline or NaOCl

5. Placement of MTA
▪️ MTA is placed directly over the pulp tissue
▪️ A thickness of approximately 2–4 mm is recommended
▪️ Moist cotton pellet placed to allow proper setting

6. Temporary Restoration
▪️ Placement of a temporary restoration
▪️ Final restoration performed after MTA setting

7. Follow-Up
▪️ Clinical and radiographic monitoring at 3, 6, and 12 months
▪️ Evaluation of:
° Continued root development
° Apical closure
° Absence of pathology

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✅ Clinical Outcomes and Success Rates
Studies report high success rates (up to 96%) in posterior teeth treated with MTA apexogenesis.

Favorable outcomes include:
▪️ Continued root elongation
▪️ Thickening of dentinal walls
▪️ Apical closure
▪️ Absence of symptoms or pathology

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💬 Discussion
MTA has significantly improved the prognosis of apexogenesis compared to calcium hydroxide. Its ability to induce predictable dentin bridge formation and maintain pulp vitality makes it a preferred material in pediatric and adolescent patients.
However, limitations persist:
▪️ Long setting time
▪️ Potential tooth discoloration
▪️ Higher cost
▪️ Handling difficulties
Despite these drawbacks, current evidence suggests that MTA provides comparable or superior outcomes to other pulpotomy agents, although further high-quality randomized trials are needed.

✍️ Conclusion
Apexogenesis with MTA represents a reliable and evidence-based approach for managing immature permanent teeth with vital pulp. The procedure allows for continued root development, improved structural integrity, and long-term tooth preservation, making it a cornerstone in modern pediatric endodontics.

🎯 Recommendations
▪️ Perform early diagnosis and intervention to preserve pulp vitality
▪️ Use rubber dam isolation to ensure aseptic conditions
▪️ Prefer partial pulpotomy when feasible to preserve more pulp tissue
▪️ Ensure long-term follow-up to monitor root development
▪️ Consider alternative materials (e.g., biodentine) when esthetics are critical

📚 References

✔ Ageel, B. M., El Meligy, O. A., & Quqandi, S. M. (2023). Mineral trioxide aggregate apexogenesis: A systematic review. Journal of Pharmacy and Bioallied Sciences, 15(Suppl 1), S11–S17. https://doi.org/10.4103/jpbs.jpbs_530_22
✔ Mousivand, S., Sheikhnezami, M., Moradi, S., Koohestanian, N., & Jafarzadeh, H. (2022). Evaluation of the outcome of apexogenesis in traumatised anterior and carious posterior teeth using mineral trioxide aggregate: A 5-year retrospective study. Australian Endodontic Journal, 48(3). https://doi.org/10.1111/aej.12583
✔ Corbella, S., Ferrara, G., El Kabbaney, A., & Taschieri, S. (2014). Apexification, apexogenesis and regenerative endodontic procedures: A review of the literature. Minerva Stomatologica, 63(11–12), 375–389.
✔ Yahya, A. A., & Alkhatib, A. R. (2024). Treatment modalities of apexogenesis: An overview. Al-Rafidain Dental Journal, 24(2), 453–466.

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Zinc Oxide Eugenol vs Calcium Hydroxide–Iodoform in Pulpectomy

Pulpectomy in primary teeth requires obturation materials that ensure antimicrobial efficacy, biocompatibility, and physiological resorption. The comparison between zinc oxide eugenol (ZOE) and calcium hydroxide–iodoform pastes remains clinically relevant.

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✅ Introduction
Pulpectomy is a key procedure in pediatric dentistry aimed at preserving infected primary teeth. The ideal obturation material should exhibit resorbability synchronized with root resorption, antimicrobial properties, and minimal toxicity to periapical tissues. Historically, ZOE has been widely used, whereas calcium hydroxide–iodoform pastes have gained popularity due to improved biological properties.

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✅ Material Characteristics

Zinc Oxide Eugenol (ZOE)
▪️ Composition: Zinc oxide powder and eugenol liquid
▪️ Properties: Antimicrobial, radiopaque, good sealing ability
▪️ Limitations: Slow resorption, potential irritation to periapical tissues

Calcium Hydroxide–Iodoform Pastes (e.g., Vitapex, Metapex)
▪️ Composition: Calcium hydroxide, iodoform, silicone oil vehicle
▪️ Properties: Strong antimicrobial activity, high biocompatibility, resorbable
▪️ Clinical advantage: Resorption closely follows physiological root resorption

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✅ Clinical Performance

Success Rates
▪️ Both materials demonstrate high clinical success rates (>80%)
▪️ Recent studies suggest slightly higher radiographic success with calcium hydroxide–iodoform pastes

Evidence:
▪️ Coll et al. (2020) reported comparable success rates, with better resorption patterns in calcium hydroxide–iodoform materials.
▪️ Ramar & Mungara (2010) found higher success in Vitapex compared to ZOE in primary teeth pulpectomies.

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✅ Resorption Behavior

ZOE:
▪️ Slow resorption
▪️ May remain in periapical tissues after root resorption

Calcium hydroxide–iodoform:
▪️ Rapid and controlled resorption
▪️ Resorbs in harmony with primary tooth exfoliation

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✅ Antimicrobial Activity

▪️ Both materials exhibit broad antimicrobial effects
▪️ Calcium hydroxide–iodoform shows enhanced activity due to:
° High pH (Ca(OH)₂)
° Iodoform bactericidal effect

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✅ Advantages and Limitations

1. ZOE
Advantages
▪️ Long history of clinical use
▪️ Good sealing properties
▪️ Cost-effective

Limitations
▪️ Delayed resorption
▪️ Potential foreign body reaction
▪️ May interfere with eruption of permanent teeth

2. Calcium Hydroxide–Iodoform
Advantages
▪️ Biocompatibility and resorbability
▪️ Superior antimicrobial action
▪️ Favorable effect on periapical healing

Limitations
▪️ Risk of over-resorption within canals
▪️ Possible void formation over time
▪️ Higher cost compared to ZOE

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💬 Discussion
Current literature favors calcium hydroxide–iodoform pastes due to their biological compatibility and resorption profile, which aligns with the natural exfoliation process. While ZOE remains a viable option, its slow resorption and potential interference with permanent tooth eruption are notable concerns.

Clinical decision-making should consider:
▪️ Patient age
▪️ Extent of root resorption
▪️ Presence of periapical pathology

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✍️ Conclusion
Both ZOE and calcium hydroxide–iodoform pastes are effective for pulpectomy in primary teeth. However, calcium hydroxide–iodoform materials demonstrate superior biological behavior, particularly in terms of resorption and tissue compatibility, making them the preferred option in modern pediatric dentistry.

🎯 Recommendations
▪️ Prefer calcium hydroxide–iodoform pastes in cases requiring predictable resorption
▪️ Use ZOE cautiously, especially in teeth close to exfoliation
▪️ Avoid overfilling regardless of material
▪️ Base material selection on clinical and radiographic findings

📚 References

✔ Coll, J. A., Vargas, K., Marghalani, A. A., Chen, C. Y., Al Shamsi, S., & Dhar, V. (2020). A systematic review and meta-analysis of nonvital pulp therapy for primary teeth. Pediatric Dentistry, 42(4), 256–461.
✔ Ramar, K., & Mungara, J. (2010). Clinical and radiographic evaluation of pulpectomies using three root canal filling materials. Journal of Indian Society of Pedodontics and Preventive Dentistry, 28(1), 25–29. https://doi.org/10.4103/0970-4388.60470
✔ Mortazavi, M., & Mesbahi, M. (2004). Comparison of zinc oxide and eugenol, and Vitapex for root canal treatment of necrotic primary teeth. International Journal of Paediatric Dentistry, 14(6), 417–424. https://doi.org/10.1111/j.1365-263X.2004.00562.x
✔ American Academy of Pediatric Dentistry (AAPD). (2023). Pulp therapy for primary and immature permanent teeth. Pediatric Dentistry, 45(6), 384–392.
✔ Trairatvorakul, C., & Chunlasikaiwan, S. (2008). Success of pulpectomy with zinc oxide–eugenol vs calcium hydroxide–iodoform paste in primary molars. International Journal of Paediatric Dentistry, 18(2), 144–149. https://doi.org/10.1111/j.1365-263X.2007.00886.x

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TheraCal in Pediatric Dentistry: Uses, Benefits & Limits

TheraCal is a light-cured, resin-modified calcium silicate material widely used in pediatric dentistry for vital pulp therapy. Its bioactive properties and ease of handling have positioned it as an alternative to traditional materials such as calcium hydroxide and mineral trioxide aggregate (MTA).

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This article reviews the versions, properties, clinical applications, advantages, and limitations of TheraCal in pediatric patients.
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✅ Introduction
Vital pulp therapy in primary dentition requires materials that promote pulp healing, dentin bridge formation, and bacterial control. TheraCal has emerged as a modern biomaterial combining calcium release and resin-based handling properties, addressing some limitations of conventional pulp-capping agents.
Its application in pediatric dentistry is increasing due to its clinical efficiency and reduced chair time, which are critical factors in managing young patients.

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✅ What Is TheraCal?
TheraCal is a light-cured, resin-modified calcium silicate liner/base designed for direct and indirect pulp capping. It releases calcium ions, promoting mineralization and pulp healing.

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✅ Versions of TheraCal

TheraCal LC (Light-Cured):
▪️ Most commonly used version
▪️ Indicated for pulp capping and as a liner

TheraCal PT (Pulpotomy Treatment):
▪️ Designed for pulpotomy procedures
▪️ Enhanced handling and consistency for coronal pulp therapy

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✅ Properties of TheraCal

▪️ Calcium ion release → stimulates reparative dentin formation
▪️ Alkaline pH → antibacterial effect
▪️ Light-curing capability → immediate setting
▪️ Low solubility compared to calcium hydroxide
▪️ Resin-modified matrix → improved handling

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✅ Clinical Uses in Pediatric Dentistry

▪️ Direct pulp capping
▪️ Indirect pulp capping
▪️ Pulpotomy (TheraCal PT)
▪️ Base/liner under restorations

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✅ Benefits and Advantages

▪️ Reduced chair time due to light curing
▪️ Immediate placement of restorative material
▪️ Improved seal and marginal adaptation
▪️ Enhanced patient cooperation in pediatric settings
▪️ Bioactivity supporting dentin bridge formation

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✅ Limitations

▪️ Presence of resin components may affect biocompatibility
▪️ Lower long-term evidence compared to MTA
▪️ Technique sensitivity (requires proper isolation)
▪️ Potential polymerization shrinkage

📊 Step-by-step Instructions: TheraCal Application in Pediatric Dentistry

Clinical Step	Key Action	Clinical Consideration
Diagnosis and Case Selection	Confirm vital pulp and absence of irreversible pathology	Essential for treatment success
Cavity Preparation	Remove caries and clean the cavity	Avoid pulp overexposure when possible
Isolation	Apply rubber dam	Prevents contamination and moisture interference
Material Placement	Apply TheraCal in a thin layer (≤1 mm)	Do not overfill; ensure adaptation
Light Curing	Cure according to manufacturer instructions	Ensure adequate light intensity
Final Restoration	Place definitive restorative material	Immediate restoration is possible

💬 Discussion
TheraCal represents a significant advancement in pulp therapy materials, particularly in pediatric dentistry where efficiency and ease of use are essential. Compared to traditional calcium hydroxide, it demonstrates superior physical properties and reduced solubility.
However, concerns remain regarding its resin content and long-term biological performance, especially when compared to materials such as MTA, which have extensive clinical validation. Current evidence supports its use in selective cases, but emphasizes the importance of proper case selection and technique.

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✍️ Conclusion
TheraCal is a promising biomaterial in pediatric dentistry, offering bioactivity, convenience, and improved clinical handling. While it is not a complete replacement for traditional materials, it serves as a valuable option in vital pulp therapy, particularly when efficiency is required. Further long-term studies are necessary to fully establish its clinical reliability.

🎯 Clinical Recommendations
▪️ Use TheraCal in well-selected vital pulp cases
▪️ Ensure proper isolation to optimize outcomes
▪️ Prefer TheraCal PT for pulpotomy procedures
▪️ Consider alternative materials (e.g., MTA) in cases requiring proven long-term success
▪️ Follow manufacturer instructions for curing time and thickness

📚 References

✔ Bortoluzzi, E. A., Niu, L. N., Palani, C. D., El-Awady, A. R., Hammond, B. D., Pei, D. D., ... & Tay, F. R. (2014). Cytotoxicity and osteogenic potential of silicate calcium cements as potential protective materials for pulpal revascularization. Dental Materials, 30(5), 475–483. https://doi.org/10.1016/j.dental.2014.02.002
✔ Gandolfi, M. G., Siboni, F., Prati, C. (2012). Properties of a novel light-cured calcium-silicate direct pulp capping material. International Endodontic Journal, 45(6), 571–579. https://doi.org/10.1111/j.1365-2591.2012.02014.x
✔ Hebling, J., Lessa, F. C. R., Nogueira, I., & de Souza Costa, C. A. (2019). Cytotoxicity of resin-based light-cured liners applied in deep cavities. Operative Dentistry, 44(3), E97–E105. https://doi.org/10.2341/17-282-L
✔ American Academy of Pediatric Dentistry. (2023). Pulp therapy for primary and immature permanent teeth. The Reference Manual of Pediatric Dentistry.

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Systemic Drug Management of Pulpal and Periapical Emergencies in Primary Dentition: Clinical Guidelines

Pulpal and periapical emergencies in primary dentition require prompt and appropriate management to control pain and infection. While local operative treatment remains the cornerstone, systemic pharmacological therapy plays an adjunctive role in specific clinical scenarios.

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This article reviews the indications, drug selection, dosage considerations, and limitations of systemic medications in pediatric dental emergencies.
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✅ Introduction
Pulpal and periapical pathologies in primary teeth are commonly associated with dental caries and trauma. Clinical manifestations include pain, swelling, and systemic involvement in severe cases. Although definitive treatment (e.g., pulpotomy, pulpectomy, or extraction) is essential, systemic drug therapy may be required to manage acute symptoms or prevent the spread of infection.
Clinical decision-making must be guided by evidence-based protocols, minimizing unnecessary drug use and reducing the risk of antimicrobial resistance.

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✅ Indications for Systemic Drug Use
Systemic medications are not routinely indicated for all pulpal or periapical conditions. Their use is justified in the presence of:

▪️ Systemic signs of infection (fever, malaise)
▪️ Facial swelling or cellulitis
▪️ Rapidly spreading infections
▪️ Immunocompromised patients
▪️ Inability to achieve immediate operative treatment

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✅ Analgesic Management

First-Line Analgesics
▪️ Ibuprofen (preferred): anti-inflammatory and analgesic
▪️ Acetaminophen (Paracetamol): alternative in contraindications

Key considerations:
▪️ Weight-based dosing is mandatory
▪️ Avoid aspirin due to risk of Reye’s syndrome
▪️ Combination therapy (ibuprofen + acetaminophen) may be used in severe pain

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✅ Antibiotic Therapy

Indications
Antibiotics should be prescribed only when systemic involvement is evident or when infection cannot be localized.

First-Line Antibiotics
▪️ Amoxicillin: broad-spectrum, well tolerated
▪️ Amoxicillin-clavulanate: for resistant or severe infections

Alternative Antibiotics
▪️ Clindamycin: for penicillin-allergic patients

Clinical Considerations
▪️ Duration typically ranges from 5 to 7 days
▪️ Reassessment within 48–72 hours is essential
▪️ Overprescription must be avoided to limit antimicrobial resistance

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✅ Adjunctive Pharmacological Considerations

▪️ Corticosteroids: limited use; may be considered in severe inflammatory reactions
▪️ Antipyretics: indicated in febrile patients
▪️ Hydration and supportive care are essential

📊 Summary Table: Systemic Drug Use in Pediatric Dental Emergencies

Drug Category	Clinical Indications	Key Considerations
Analgesics (Ibuprofen / Acetaminophen)	Pain control in pulpal inflammation	Weight-based dosing; avoid aspirin
Amoxicillin	Systemic infection, swelling, cellulitis	First-line antibiotic; reassess in 48–72 hours
Amoxicillin-Clavulanate	Severe or resistant infections	Broader spectrum; monitor tolerance
Clindamycin	Penicillin allergy	Risk of gastrointestinal side effects
Corticosteroids	Severe inflammation (limited use)	Not routine; case-dependent

💬 Discussion
The literature consistently emphasizes that systemic drugs do not replace definitive dental treatment. Analgesics are effective in controlling pain but do not address the underlying pathology. Similarly, antibiotics are frequently overprescribed in pediatric dentistry despite clear guidelines limiting their use.
The inappropriate use of antibiotics contributes to global antimicrobial resistance, a major public health concern. Therefore, clinicians must adhere strictly to established protocols, such as those provided by the American Academy of Pediatric Dentistry (AAPD).

✍️ Conclusion
Systemic drug management in pulpal and periapical emergencies in primary dentition should be selective, evidence-based, and adjunctive. Analgesics remain the primary pharmacological tool for pain control, while antibiotics are reserved for cases with systemic involvement or spreading infection. Rational prescribing is essential to ensure patient safety and public health.

🎯 Clinical Recommendations
▪️ Prioritize definitive operative treatment over pharmacological management
▪️ Prescribe analgesics as first-line therapy for pain
▪️ Use antibiotics only when clearly indicated
▪️ Follow weight-based dosing protocols in pediatric patients
▪️ Reassess the patient within 48–72 hours
▪️ Educate caregivers on proper drug administration and adherence

📚 References

✔ American Academy of Pediatric Dentistry. (2023). Use of antibiotic therapy for pediatric dental patients. The Reference Manual of Pediatric Dentistry. Chicago, Ill.: AAPD.
✔ American Academy of Pediatric Dentistry. (2023). Guideline on pulp therapy for primary and immature permanent teeth. The Reference Manual of Pediatric Dentistry.
✔ Hargreaves, K. M., Berman, L. H., & Rotstein, I. (2021). Cohen’s Pathways of the Pulp (12th ed.). Elsevier. Palmer, N. O. A., & Pealing, R. (2016). Antibiotic prescribing in dental practice. British Dental Journal, 221(7), 363–367. https://doi.org/10.1038/sj.bdj.2016.720

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