Periimplantitis vs Peri-implant Mucositis: Key Differences

Peri-implant diseases are increasingly prevalent due to the rise in dental implant therapy.

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The two main conditions—peri-implant mucositis and periimplantitis—share inflammatory features but differ significantly in severity, progression, and management. Early diagnosis is critical to prevent implant failure.

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✅ Introduction
Dental implants are a predictable solution for tooth replacement; however, biological complications such as peri-implant mucositis and periimplantitis can compromise outcomes. Understanding their clinical differences, similarities, and evidence-based treatments is essential for clinicians aiming to ensure long-term implant success.

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✅ Definition and Etiology

Peri-implant Mucositis
▪️ Reversible inflammatory condition limited to the soft tissues surrounding implants
▪️ Caused primarily by bacterial biofilm accumulation
▪️ No associated bone loss beyond initial remodeling

Periimplantitis
▪️ Progressive inflammatory disease affecting both soft and hard tissues
▪️ Characterized by bleeding on probing, suppuration, and bone loss
▪️ Associated with dysbiosis, host response, and risk factors such as smoking and poor oral hygiene

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✅ Key Differences

Reversibility:
▪️ Mucositis → Reversible
▪️ Periimplantitis → Irreversible without intervention

Bone Loss:
▪️ Mucositis → Absent
▪️ Periimplantitis → Present and progressive

Severity:
▪️ Mucositis → Mild inflammation
▪️ Periimplantitis → Severe tissue destruction

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✅ Similarities

▪️ Both are biofilm-induced inflammatory diseases
▪️ Presence of bleeding on probing (BOP)
▪️ Associated with poor plaque control and systemic risk factors
▪️ Require early detection and maintenance therapy

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✅ Diagnosis

Clinical parameters:
▪️ Probing depth (PD)
▪️ Bleeding on probing (BOP)
▪️ Suppuration

Radiographic evaluation:
▪️ Essential for detecting bone loss in periimplantitis

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✅ Treatment Approaches

Peri-implant Mucositis
▪️ Non-surgical therapy is effective
- Mechanical debridement
- Antiseptics (e.g., chlorhexidine)
- Improved oral hygiene

Periimplantitis
▪️ Combination therapy required
- Non-surgical debridement (limited effectiveness)
- Surgical intervention (resective or regenerative)
- Adjunctive antibiotics or laser therapy (case-dependent)

📊 Summary Table

Aspect	Advantages	Limitations
Peri-implant Mucositis	Reversible, manageable with non-surgical therapy, early intervention prevents progression	Requires strict maintenance, may progress to periimplantitis if untreated
Periimplantitis	Can be treated with combined surgical approaches, regenerative potential in selected cases	Irreversible bone loss, complex treatment, higher risk of implant failure
Similarities	Both are biofilm-induced, detectable early, preventable with hygiene	Require continuous monitoring and patient compliance
Diagnosis	Clinical and radiographic tools allow early detection	Radiographic changes appear late in disease progression

💬 Discussion
Although both conditions share a common etiological factor—bacterial biofilm, their clinical implications differ substantially. Peri-implant mucositis acts as a precursor to periimplantitis, highlighting the importance of early intervention. Evidence shows that mucositis is reversible, while periimplantitis often requires complex surgical management and may lead to implant loss if untreated.

✍️ Conclusion
Peri-implant mucositis and periimplantitis represent a continuum of disease progression. Early detection and management of mucositis are critical to prevent irreversible bone loss associated with periimplantitis. Clinicians must emphasize preventive care and maintenance programs.

🎯 Recommendations
▪️ Implement regular maintenance visits and professional cleanings
▪️ Educate patients on optimal oral hygiene techniques
▪️ Identify and manage risk factors (e.g., smoking, diabetes)
▪️ Use early diagnostic tools to detect inflammation
▪️ Apply evidence-based treatment protocols tailored to disease severity

📚 References

✔ Berglundh, T., Armitage, G., Araujo, M. G., et al. (2018). Peri-implant diseases and conditions: Consensus report of workgroup 4 of the 2017 World Workshop. Journal of Clinical Periodontology, 45(S20), S286–S291. https://doi.org/10.1111/jcpe.12957
✔ Heitz-Mayfield, L. J. A., & Salvi, G. E. (2018). Peri-implant mucositis. Journal of Clinical Periodontology, 45(S20), S237–S245. https://doi.org/10.1111/jcpe.12953
✔ Schwarz, F., Derks, J., Monje, A., & Wang, H. L. (2018). Peri-implantitis. Journal of Clinical Periodontology, 45(S20), S246–S266. https://doi.org/10.1111/jcpe.12954
✔ Renvert, S., & Polyzois, I. (2015). Risk indicators for peri-implant mucositis: A systematic literature review. Journal of Clinical Periodontology, 42(S16), S172–S186. https://doi.org/10.1111/jcpe.12346

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Dental Staining: Extrinsic vs Intrinsic Differences Guide

Dental discoloration is a common aesthetic concern classified into extrinsic and intrinsic staining, each with distinct etiologies and treatment approaches.

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Accurate diagnosis is essential to guide appropriate management strategies, ranging from professional cleaning to restorative interventions. This article provides an updated, evidence-based comparison of both types of staining in clinical dentistry.

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✅ Extrinsic Dental Staining

Etiology
Extrinsic stains occur on the tooth surface due to:
▪️ Chromogenic foods and beverages (coffee, tea, red wine)
▪️ Tobacco use
▪️ Poor oral hygiene
▪️ Certain mouthrinses (e.g., chlorhexidine)

Characteristics
▪️ Located on enamel surface
▪️ Yellow, brown, or black discoloration
▪️ Often removable with professional prophylaxis

Management
▪️ Scaling and polishing
▪️ Air polishing
▪️ Whitening toothpastes (adjunctive use)

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✅ Intrinsic Dental Staining

Etiology
Intrinsic stains originate within the tooth structure and may result from:
▪️ Dental fluorosis
▪️ Tetracycline staining during tooth development
▪️ Pulpal hemorrhage or necrosis
▪️ Aging (secondary dentin deposition)

Characteristics
▪️ Located within enamel or dentin
▪️ Gray, blue, or brown discoloration
▪️ Resistant to conventional cleaning methods

Management
▪️ Vital bleaching (in-office or at-home)
▪️ Internal bleaching (non-vital teeth)
▪️ Restorative treatments (veneers, crowns) in severe cases

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✅ Diagnosis
Accurate differentiation is based on:

▪️ Clinical examination
▪️ Patient history (diet, medications, trauma)
▪️ Response to prophylaxis
Extrinsic stains typically resolve after cleaning, whereas intrinsic stains persist, requiring advanced treatment.

📊 Summary Table

Type of Staining	Clinical Features & Causes	Treatment Approach
Extrinsic Staining	Surface discoloration from diet, tobacco, and poor hygiene	Professional cleaning, polishing, preventive care
Intrinsic Staining	Internal discoloration due to fluorosis, tetracycline, trauma, or aging	Bleaching, internal whitening, veneers or crowns in severe cases
Diagnosis	Based on clinical exam and response to cleaning	Accurate differentiation guides treatment success
Prognosis	Extrinsic: favorable; Intrinsic: variable	Depends on severity and chosen intervention

💬 Discussion
The distinction between extrinsic and intrinsic staining is essential for treatment planning and prognosis. Extrinsic stains are generally reversible and easily managed, while intrinsic discoloration often requires multimodal or restorative approaches.
Recent advances in whitening technologies have improved outcomes; however, clinicians must consider tooth sensitivity, enamel integrity, and patient expectations. Misdiagnosis may lead to ineffective treatment and patient dissatisfaction.

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🎯 Recommendations
▪️ Perform thorough clinical and historical assessment before treatment
▪️ Begin with least invasive approaches (prophylaxis, bleaching)
▪️ Reserve restorative procedures for severe intrinsic cases
▪️ Educate patients on preventive measures (diet, hygiene)
▪️ Monitor for post-whitening sensitivity

✍️ Conclusion
Extrinsic and intrinsic dental stains differ significantly in etiology, clinical presentation, and management. While extrinsic discoloration is typically manageable with conservative approaches, intrinsic staining often requires more advanced interventions. Accurate diagnosis and evidence-based treatment planning are essential to achieve optimal aesthetic outcomes.

📚 References

✔ Watts, A., & Addy, M. (2001). Tooth discolouration and staining: a review of the literature. British Dental Journal, 190(6), 309–316. https://doi.org/10.1038/sj.bdj.4800959
✔ Joiner, A. (2006). The bleaching of teeth: a review of the literature. Journal of Dentistry, 34(7), 412–419. https://doi.org/10.1016/j.jdent.2006.02.002
✔ Carey, C. M. (2014). Tooth whitening: what we now know. Journal of Evidence-Based Dental Practice, 14, 70–76. https://doi.org/10.1016/j.jebdp.2014.02.006

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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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✅ 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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MARPE: Indications, Benefits, and Ideal Age

Mini-Implant Assisted Rapid Palatal Expansion (MARPE) is a contemporary orthodontic technique designed to achieve skeletal maxillary expansion with minimal dental side effects. By incorporating temporary anchorage devices (TADs), MARPE overcomes limitations of conventional rapid palatal expanders, particularly in adolescents and young adults with increased suture resistance.

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✅ Introduction
Maxillary transverse deficiency is a common orthodontic problem associated with posterior crossbite, dental crowding, and compromised airway function. Conventional rapid palatal expansion (RPE) is effective in children; however, its skeletal effects decrease with age due to progressive ossification of the midpalatal suture. MARPE has emerged as a minimally invasive alternative, providing true skeletal expansion in patients beyond the ideal age for conventional RPE.

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1. What is MARPE?
MARPE (Mini-Implant Assisted Rapid Palatal Expansion) is a hybrid expansion device that combines a jackscrew with mini-implants anchored in the palatal bone, allowing forces to be transmitted directly to the maxilla rather than teeth.

2. Indications of MARPE
MARPE is indicated in cases requiring skeletal expansion, including:

▪️ Maxillary transverse deficiency in adolescents and adults
▪️ Posterior crossbite (unilateral or bilateral)
▪️ Dental crowding associated with narrow maxilla
▪️ Obstructive sleep apnea (adjunctive therapy)
▪️ Failed conventional RPE cases

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3. Advantages of MARPE
Key benefits supported by current literature include:

▪️ Greater skeletal expansion with reduced dental tipping
▪️ Minimized periodontal damage compared to tooth-borne expanders
▪️ Non-surgical alternative to surgically assisted expansion (SARPE)
▪️ Improved nasal airway volume and breathing function
▪️ Enhanced stability in late adolescents and young adults

4. Ideal Age for MARPE
The effectiveness of MARPE depends on midpalatal suture maturation rather than chronological age alone. However, general recommendations include:

▪️ Late adolescence (≈ 15–20 years): Optimal outcomes
▪️ Young adults (≈ 20–30 years): High success rate with proper case selection
▪️ Older adults (>30 years): Variable success; may require surgical assistance
CBCT evaluation is strongly recommended to assess suture morphology and predict treatment success.

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💬 Discussion
Recent studies demonstrate that MARPE significantly increases skeletal expansion compared to conventional RPE, especially in patients with advanced suture maturation. The use of palatal mini-implants improves force distribution, reducing unwanted dental effects such as buccal tipping and root resorption.

However, clinical success depends on multiple factors, including:
▪️ Bone density and suture interdigitation
▪️ Implant stability
▪️ Patient compliance
▪️ Appliance design
Although MARPE reduces the need for surgery, failure rates still exist, particularly in fully mature sutures.

📊 Summary Table: MARPE Clinical Overview

Clinical Factor	Indications	Advantages & Considerations
Skeletal Expansion	Maxillary transverse deficiency	Greater skeletal effect, reduced dental tipping
Age Range	Adolescents and young adults	Higher success before full suture ossification
Appliance Design	Mini-implants + expansion screw	Improved anchorage and force distribution
Airway Benefits	Patients with breathing issues	Potential increase in nasal airway volume
Limitations	Mature sutures	Possible need for surgical assistance

✍️ Conclusion
MARPE represents a paradigm shift in orthodontic expansion, offering predictable skeletal outcomes in non-growing patients. It is a minimally invasive, effective, and increasingly preferred alternative to traditional methods. Proper diagnosis, including CBCT-based assessment, is essential to maximize success.

🎯 Clinical Recommendations
▪️ Perform CBCT analysis to evaluate suture maturation before treatment
▪️ Select appropriate mini-implant length and position for optimal anchorage
▪️ Monitor activation protocols carefully to avoid complications
▪️ Consider MARPE as first-line treatment in late adolescents and young adults
▪️ Refer for surgical consultation if resistance is excessive

📚 References

✔ Angelieri, F., Cevidanes, L. H. S., Franchi, L., Gonçalves, J. R., & Benavides, E. (2013). Midpalatal suture maturation: Classification method for individual assessment before rapid maxillary expansion. American Journal of Orthodontics and Dentofacial Orthopedics, 144(5), 759–769. https://doi.org/10.1016/j.ajodo.2013.04.022
✔ Lee, K. J., Park, Y. C., Park, J. Y., & Hwang, W. S. (2010). Miniscrew-assisted nonsurgical palatal expansion before orthognathic surgery for a patient with severe mandibular prognathism. American Journal of Orthodontics and Dentofacial Orthopedics, 137(6), 830–839. https://doi.org/10.1016/j.ajodo.2007.10.065
✔ Moon, W., Wu, K. W., MacGinnis, M., McGuire, R., & Korn, E. L. (2015). The efficacy of maxillary protraction protocols with the micro-implant-assisted rapid palatal expander (MARPE). Progress in Orthodontics, 16(1), 1–9. https://doi.org/10.1186/s40510-015-0083-7
✔ Cantarella, D., Dominguez-Mompell, R., Moschik, C., Mallya, S. M., Castanha Henriques, J. F., & Moon, W. (2017). Midfacial changes in the coronal plane induced by micro-implant-assisted rapid palatal expansion. American Journal of Orthodontics and Dentofacial Orthopedics, 151(2), 292–304. https://doi.org/10.1016/j.ajodo.2016.06.029

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Dexamethasone Side Effects in Dentistry: Clinical Risks Guide

Dexamethasone is widely used in dentistry for its potent anti-inflammatory effects. However, clinicians must be aware of its potential adverse effects, contraindications, and systemic implications, even when administered as a single dose.

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✅ Introduction
Dexamethasone, a long-acting corticosteroid, is frequently used in dental procedures to reduce postoperative pain, edema, and trismus. Despite its benefits, inappropriate use or lack of patient assessment may lead to systemic and local adverse effects. Understanding these risks is essential for safe and effective clinical decision-making.

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✅ Pharmacological Considerations
Dexamethasone exerts its effects by suppressing inflammatory mediators, including prostaglandins and cytokines. Its long biological half-life (36–54 hours) increases therapeutic efficacy but also prolongs exposure, potentially increasing adverse effects.

✅ Adverse Effects of Dexamethasone

1. Short-Term Side Effects (Single-Dose Use)
▪️ Gastrointestinal irritation (rare with single dose)
▪️ Transient hyperglycemia, especially in diabetic patients
▪️ Mood changes or insomnia
▪️ Fluid retention (minimal in single-dose protocols)

2. Systemic Risks
▪️ Immunosuppression, increasing susceptibility to infections
▪️ Delayed wound healing, particularly in surgical sites
▪️ Adrenal suppression (rare in single-dose but relevant in repeated use)

3. High-Risk Populations
▪️ Patients with uncontrolled diabetes mellitus
▪️ Individuals with active infections
▪️ Patients under immunosuppressive therapy
▪️ History of peptic ulcer disease

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✅ Drug Interactions

▪️ NSAIDs (e.g., ibuprofen): Increased risk of gastrointestinal irritation
▪️ Antidiabetic drugs: Reduced glycemic control
▪️ Anticoagulants: Potential alteration of coagulation response

📊 Summary Table

Clinical Aspect	Potential Effects	Clinical Considerations
Short-Term Use	Mild effects such as insomnia, hyperglycemia, and GI discomfort	Generally safe in healthy patients with single-dose protocols
Systemic Effects	Immunosuppression, delayed healing, adrenal suppression (rare)	Monitor in medically compromised patients
Drug Interactions	Increased GI risk with NSAIDs; altered glucose control	Adjust medications accordingly
Contraindications	Uncontrolled diabetes, infections, peptic ulcers	Avoid or use with strict caution

💬 Discussion
The current literature indicates that single-dose dexamethasone in dentistry is generally safe, with minimal clinically significant adverse effects in healthy individuals. However, systemic complications may arise in medically compromised patients. The risk-benefit ratio must always be evaluated, particularly in cases involving repeated dosing or systemic conditions.
The trend toward evidence-based dentistry supports selective use rather than routine administration. Clinicians must integrate patient medical history, procedure type, and expected inflammatory response when prescribing corticosteroids.

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🎯 Recommendations
▪️ Use single-dose dexamethasone (4–8 mg) when clinically indicated
▪️ Perform thorough medical history assessment, especially for diabetes and infections
▪️ Avoid use in uncontrolled systemic conditions
▪️ Combine with caution when prescribing NSAIDs
▪️ Educate patients about possible transient effects (e.g., insomnia, mild discomfort)

✍️ Conclusion
Dexamethasone remains a valuable adjunct in dental practice; however, awareness of its potential side effects and contraindications is essential. When used appropriately, particularly as a single preoperative dose, it demonstrates a favorable safety profile. Careful patient selection and adherence to evidence-based protocols are critical to minimizing risks.

📚 References

✔ Waljee, A. K., et al. (2017). Short term use of oral corticosteroids and related harms among adults in the United States: population-based cohort study. BMJ, 357, j1415. https://doi.org/10.1136/bmj.j1415
✔ Markiewicz, M. R., Brady, M. F., Ding, E. L., & Dodson, T. B. (2008). Corticosteroids reduce postoperative morbidity after third molar surgery: a systematic review and meta-analysis. Journal of Oral and Maxillofacial Surgery, 66(9), 1881–1894. https://doi.org/10.1016/j.joms.2008.04.022
✔ Liu, D., Ahmet, A., Ward, L., Krishnamoorthy, P., Mandelcorn, E. D., Leigh, R., Brown, J. P., & Cohen, A. (2013). A practical guide to the monitoring and management of the complications of systemic corticosteroid therapy. Allergy, Asthma & Clinical Immunology, 9(1), 30. https://doi.org/10.1186/1710-1492-9-30

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