Fig. 5.

Diagnosis of Case 3 (photograph and radiograph). a Intraoral photograph of Case 3 at the initial visit. A 10 × 10-mm lesion was identified at the maxillary right canine and first premolar region of the buccal gingiva, with partial redness of the mucosa (arrow). b A dental radiograph of Case 3. There was no definitive bone resorption at the maxillary right canine and first premolar region