Always biting the tongue in sleep may be caused by night grinding teeth, tongue hypertrophy, poor occlusal relationship, etc. Specific need to check the oral cavity to determine according to the clinical symptoms.
1. Nocturnal teeth grinding. Frequent tongue biting in bed may be due to excessive mental stress or sympathetic excitation and other causes of nocturnal teeth grinding, involuntary teeth grinding may inadvertently damage the tongue tissue.
2. Hypertrophy of the tongue. Frequent tongue biting may also be due to the oral cavity caused by long-term tooth loss of functional hypertrophy or tongue disease tongue tissue proliferation caused by abnormal hypertrophy.
3. Poor occlusal relationship. Denture repair if the overjaw cover is too small, poor occlusal relationship, also prone to sleep biting.
Sleep often bite the tongue, it is recommended that timely medical examination and treatment, to avoid long-term damage to the tongue tissue affecting oral health.