Morphological changes in alveolar bone thickness and height after orthodontic proclination or labial movement combined with autogenous soft tissue grafting: a CBCT evaluation

Table 1 Horizontal labial bone thickness changes around mandibular teeth during treatment

Measurements	T0 stage		T1 stage		T1-T0
Measurements	Mean	SD	Mean	SD	Mean	SD	P value*
Central incisor
HBT3(mm)	0.43	0.45	0.45	0.31	0.02	0.37	0.918
HBT6(mm)	0.32	0.33	0.60	0.63	0.28	0.44	0.036*
HBT9(mm)	1.09	1.20	1.25	1.36	0.15	0.57	0.331
HBTA(mm)	7.74	3.23	7.86	4.12	0.13	1.33	0.553
Lateral incisor
HBT3(mm)	0.44	0.37	0.56	0.40	0.13	0.26	0.137
HBT6(mm)	0.17	0.13	0.75	0.96	0.57	0.92	0.014*
HBT9(mm)	0.59	0.64	1.13	1.69	0.55	1.19	0.068
HBTA(mm)	7.41	3.44	7.93	5.14	0.51	2.28	0.514
Canine
HBT3(mm)	0.38	0.35	0.81	0.66	0.43	0.65	0.007**
HBT6(mm)	0.22	0.27	0.54	0.31	0.32	0.24	0.000**
HBT9(mm)	0.55	0.56	0.88	0.61	0.33	0.45	0.004**
HBTA(mm)	9.24	2.16	9.71	2.82	0.47	1.02	0.049*
Premolar
HBT3(mm)	0.49	0.24	0.68	0.28	0.19	0.24	0.005**
HBT6(mm)	0.67	0.43	0.97	0.37	0.30	0.39	0.005**
HBT9(mm)	1.43	0.65	1.77	0.65	0.34	0.57	0.027*
HBTA(mm)	11.25	2.06	11.29	2.10	0.04	0.67	0.804

HBT horizontal bone thickness, HBTA horizontal bone thickness at the apex level
T0, before treatment; T1, at least six months after surgery
^*P < 0.05; **P < 0.01

ISSN: 1472-6831