有沒有試過兒童牙醫或periodontist? 口腔內軟組織的問題歸periodontist管, 但有些兒童牙醫也會看。。。
Periodontology - Wikipedia
According to the American Academy of Periodontology, U.S.-trained periodontists are specialists in the prevention, diagnosis and treatment of periodontal diseases and oral inflammation, and in the placement and maintenance of dental implants.