Oral fibrosis with mouth opening limited to two fingers

Jul 27, 2023 Source: Cainiu Health
Dr. Zhang Liwen
Introduction
In general, oral fibrosis with limited mouth opening to two fingers' width may be related to betel nut chewing, friction from poor dental restorations, or oral submucous fibrosis, and requires symptomatic treatment. Additionally, other factors such as long-term smoking, heavy alcohol consumption, and prolonged intake of artificial flavorings may also contribute. Patients are advised to seek timely medical attention when experiencing discomfort to avoid delayed treatment.

In general, trismus (limited mouth opening to about two fingers' width) may be related to betel nut chewing, friction from defective dental restorations, oral submucous fibrosis, and other causes, requiring symptomatic treatment. Specific details are as follows:

1. Betel Nut Chewing

Betel nuts contain a substance called arecoline, an alkaloid compound with stimulant and carcinogenic properties. Chewing betel nuts may trigger inflammatory reactions in the oral mucosa, leading to fibrosis and scar formation in oral tissues, resulting in difficulty opening the mouth and causing the aforementioned condition. It is recommended that patients stop chewing betel nuts, maintain a light diet, brush teeth regularly, rinse the mouth frequently, and practice good oral hygiene, which can gradually improve the condition.

2. Friction from Defective Dental Restorations

When defective dental restorations rub against the oral mucosa or other tissues, they may cause inflammatory reactions. Prolonged friction and irritation can lead to inflammation and damage of the oral mucosa, subsequently inducing fibrosis and scar formation, resulting in the symptoms described above. Patients are advised to seek timely medical consultation and have the defective restorations removed under professional guidance.

3. Oral Submucous Fibrosis

Oral submucous fibrosis refers to abnormal proliferation and fibrosis of connective tissue beneath the oral mucosa. It is a chronic disease that can affect any part of the oral cavity, causing hardening of the mucosa and formation of fibrous bands, leading to trismus (lockjaw) and thus the aforementioned symptoms. Patients are generally advised to quit smoking and alcohol consumption, and improve dietary and oral hygiene habits to help control disease progression. When necessary, medications such as vitamin A soft capsules or bromelain enteric-coated tablets may be used according to medical advice to prevent further deterioration.

In addition, other contributing factors may include long-term smoking, excessive alcohol consumption, and prolonged intake of artificial flavorings. Patients are advised to seek prompt medical attention when experiencing discomfort to avoid delayed treatment. Additionally, maintaining a light diet and adequate rest is recommended in daily life.

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