Trismus, or lockjaw, is a painful condition in which the jaws do not open fully. As well as pain, trismus can lead to problems with eating, speaking, and oral hygiene as a person cannot open their ...

Trismus, also known as lockjaw, is caused by trauma or injury to the mastication (chewing) muscles. You need your mastication muscles for chewing your food and opening your mouth. Without it, it would ...

Limited access to the oral cavity can present significant problems for patients, their carers, and dental and other professionals. This may arise from a limited oral aperture – microstomia, or ...