. 2022 Dec 6;55(1):52–61. [Article in Chinese] doi: 10.19723/j.issn.1671-167X.2023.01.008

表 2.

骨性安氏Ⅲ类错 Inline graphic 畸形患者下前牙牙周-正畸-正颌联合治疗前后牙周生物型的比较

Comparison of periodontal biotypes before and after the periodontal-orthodontic-orthognathic combined treatment of lower anterior teeth in patients with skeletal Angle class Ⅲ malocclusion

Items	Central incisors	Lateral incisors	Canines
BIO, periodontal biotype; T0, before treatment; T4, after the periodontal-orthodontic-orthognathic combined treatment.
Thick BIO
T0	9	8	10
T4	21	22	24
Thin BIO
T0	30	32	30
T4	18	18	16
Z value	-3.207	-3.742	-1.897
P value	< 0.001	< 0.001	0.058