a dentist specializing in the prevention or correction of irregularities of the teeth
造句
用作名詞(n.)
It is not easy and even confusing for an orthodontist to make a correct selection from the current orthodontic miniscrew systems available on the market. 摘要目前市面上充斥著各種不同形式設計與材質的矯正骨釘系統，如何在琳瑯滿目的各系統中選出最適合矯正醫師與患者的系統著實令人困擾。