Fig. 1. Ulceration on lower lip by biting (arrow).
Fig. 3. After 3 weeks, the wound healing was observed (arrow).
Fig. 2. Soft mouthguard application for preventing self mutilation behavior by biting.
Fig. 6. Bite wound of Rt. tongue by self mutilation behavior (arrow).
Fig. 7. Extraction of Rt. lower 2nd primary molar for prevention of tongue biting.
Fig. 4. Loss of lower lip tissue (arrow).
Fig. 5. After 3 months, additional wound by lip biting was observed (arrow).
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