What Is It Called When You Bite Your Cheek?

Inadvertently biting the inside of one’s cheek is a common occurrence. While typically minor, it can become a repetitive issue for some individuals.

Understanding the Medical Term

When cheek biting becomes chronic or habitual, it is known medically as “Morsicatio buccarum.” This Latin term describes repetitive chewing or nibbling of the inner cheek lining. Unlike an accidental bite, Morsicatio buccarum involves chronic irritation or injury to the buccal mucosa. The affected area often presents as thickened, ragged white lesions, sometimes with areas of redness or ulceration, typically along the occlusal plane where the upper and lower teeth meet.

Why Cheek Biting Happens

Accidental cheek biting often occurs during activities like eating or talking. This can happen when chewing too quickly, speaking with food in the mouth, or due to sudden jaw movements. Distraction while eating can also lead to an unintentional bite.

Cheek biting can also become a habitual behavior, often linked to psychological factors. Stress, anxiety, or deep concentration can cause individuals to unconsciously bite their cheeks. This repetitive action is classified as a body-focused repetitive behavior (BFRB), indicating it can be an unconscious coping mechanism.

Dental factors also play a significant role. Misaligned teeth, known as malocclusion, can cause teeth to contact the inner cheek during chewing or speaking. Poorly positioned wisdom teeth or dental appliances like braces, fillings, or crowns can also contribute by creating sharp edges or altering the bite. Some individuals may also bite their cheeks during sleep, especially if they experience bruxism, or teeth grinding.

Preventing and Managing Cheek Bites

Preventing cheek bites involves several strategies. Eating slowly and avoiding talking while chewing can reduce accidental bites. For stress-related biting, stress management techniques like deep breathing, meditation, or yoga may help. Replacing the habit with a less harmful action, like chewing sugar-free gum, can redirect oral stimulation.

Dental interventions are often beneficial if misaligned teeth or dental work are contributing factors. A dentist can assess the bite and recommend solutions such as braces or aligners to correct malocclusion, or smooth sharp edges on teeth or dental restorations. For those who bite their cheeks during sleep, a custom-fitted night guard can create a protective barrier.

When an acute cheek bite occurs, immediate steps can manage discomfort and promote healing. Rinsing the mouth with warm salt water helps cleanse the area, reduce irritation, and aid healing. Over-the-counter pain relievers can alleviate discomfort, and avoiding irritating foods can prevent further irritation. Maintaining good oral hygiene is important to prevent infection.

Seek professional help if cheek biting becomes persistent, causes significant pain, or leads to non-healing sores. A dentist can diagnose underlying dental issues and provide treatment. If signs of infection, such as increased redness, swelling, or pus, are present, seek medical attention. For habitual biting linked to stress or anxiety, consulting a psychologist or therapist may be beneficial to identify triggers and develop behavioral strategies.