Parafunctional activity
Parafunctional Activity
Parafunctional activity (pronunciation: /ˌpærəˈfʌŋkʃənəl ækˈtɪvɪti/) refers to the habitual exercise of the jaw or oral cavity that is not associated with normal functions such as eating, speaking, or breathing. These activities can include bruxism (teeth grinding), tongue thrusting, lip biting, and nail biting.
Etymology
The term "parafunctional" is derived from the Greek prefix "para-", meaning "beside" or "beyond", and the Latin "functionem", meaning "performance" or "execution". Thus, it refers to activities that go beyond the normal function or use of the oral structures.
Related Terms
- Bruxism: The habitual grinding or clenching of the teeth, typically during sleep.
- Tongue Thrusting: The habit of pushing the tongue against the front teeth or between them while swallowing, speaking, or at rest.
- Lip Biting: The act of biting one's lip, often as a response to stress or anxiety.
- Nail Biting: The act of biting one's nails, often as a response to stress or anxiety.
Parafunctional activities can lead to various oral health issues, including tooth wear, temporomandibular joint disorder (TMJD), and oral mucosal lesions.
External links
- Medical encyclopedia article on Parafunctional activity
- Wikipedia's article - Parafunctional activity
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