Pankratova N V, Slabkovskaia A B, Sidorenko L F, Nedbaĭ A A
Stomatologiia (Mosk). 1996;75(1):64-5.
The status of abutment tissues of permanent teeth was studied in patients with dense position of teeth, aged 13 to 18. Time course of periodontal changes at different stages of orthodontic treatment with permanent devices was followed up.
对13至18岁牙齿排列紧密的恒牙患者的基牙组织状况进行了研究。对使用恒牙矫治器进行正畸治疗不同阶段的牙周变化时间进程进行了随访。