A review of the considerations in the diagnosis of limited mandibular opening.

The purpose of this paper is to review the considerations of the dentist for the diagnosis of the patient who presents in his office saying, "I can't open my mouth, Doc." This condition is commonly referred to as trismus, or acute onset of limited mandibular opening. The causes of limited opening are reviewed by the authors. Various methods used in determining the limitation are explained. The general appearance features of each, along with etiologies, are listed.

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