Gum disease can be treated by a special dentist called a periodontist.
牙周病可由特殊的牙周病医师来治疗.
Sadie: In that case, since I live in a small town, I do basic dental work, but also act as a periodontist, oral surgeon, and orthodontist when the need arises.
赛迪:在那个情况下,因为我以前是住在一个小镇,我从事的是基本的牙科工作,但也干牙周病医师,口腔外科医生的活,有需要时还是牙齿矫正医师。
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