有没有试过儿童牙医或periodontist? 口腔内软组织的问题归periodontist管, 但有些儿童牙医也会看。。。
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.