title: [Risks of periodontal tissue destruction caused by incorrect orthodontic therapy and their precautionary measures].
authors.affiliation: Email: kqouyangxy@bjmu.edu.cn.
authors.forename: Xiangying
authors.initials: X
authors.lastname: Ouyang
mesh_terms: D006801:Humans; D009970:Orthodontics / Q000379:methods*; D010519:Periodontium / Q000293:injuries*