Trismus is a clinical condition characterized by restricted mouth opening caused by spasm, inflammation, fibrosis, or mechanical obstruction of the masticatory muscles and temporomandibular joint structures.
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Video 🔽 What causes jaw pain? - Painful, clicking jaw? Causes, symptoms and treatment ... The discussion also emphasizes early diagnosis, lifestyle modifications, and evidence-based treatment approaches that help restore comfort and prevent long-term complications.Normal interincisal opening in adults ranges from 35 to 55 mm; values below this threshold may impair speech, mastication, oral hygiene, and dental treatment.
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Common etiologies include odontogenic infections, pericoronitis, facial trauma, temporomandibular disorders, radiation-induced fibrosis, oral submucous fibrosis, tetanus, and head and neck malignancies. Differential diagnosis should consider acute infection, intracapsular joint pathology, neuromuscular disorders, and neoplastic invasion.
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📌 Read and download the article in PDF: Trismus: Definition, Causes, and Treatment
° Dent Update 2002; 29: 88–94 / P.J. DHANRAJANI AND O. JONAIDEL
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