Trismus is defined in Taber’s Cyclopedic Medical Dictionary as a tonic contraction of the muscles of mastication. The normal range of mouth opening varies from patient to patient, within a range of 40– 60 mm.
Evidence suggests that gender may be a factor in vertical mandibular opening. In general, males display greater mouth opening.
Trismus can dramatically affect quality of life in a variety of ways. Communication is more difficult when one is suffering from trismus.
What are the causes of trismus?
Treatment of trismus depend on the factor causing the limitation of mouth opening. Mild cases of pain and dysfunction can be managed with:
When the acute phase is over, patients are advised to initiate physiotherapy for opening and closing the jaws.
In case of suspecting a limitation of a mouth opening, don’t ignore it, let our dentist help to treat your symptoms!
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