Effect of periodontal accelerated osteogenic orthodontics on periodontal soft and hard tissue augmentation in anterior teeth of patients with skeletal ClassⅡ malocclusion

doi:10.3877/cma.j.issn.1674-1366.2025.04.004

Abstract

Abstract:

Objective

To evaluate the clinical effect of periodontal accelerated osteogenic orthodontics (PAOO) on periodontal soft and hard tissue modification in anterior teeth of patients with skeletal ClassⅡ malocclusion.

Methods

This study enrolled 21 patients with ClassⅡ malocclusion who underwent PAOO and orthodontics treatment in Hospital of Stomatology of Sun Yat-sen University from 2021 to 2024. Intraoral photographs and cone-beam computed tomography (CBCT) examinations were performed before PAOO surgery and one year after the surgery to measure labial alveolar bone thickness (LT), labial alveolar bone height (LH) and keratinized gingiva width (KGW). The LH, LT and KGW of the two groups were statistically analyzed by using Wilcoxon rank-sum test, Mann-Whitney U Test and Kruskal-Wallis H Test.

Results

Compared to preoperative, LT at the crestal level, mid-root level and apical leval (T1, T2, T3) was significantly increased at one year postoperatively (Z_T1 = -7.828, P_T1<0.001; Z_T2 = -10.825, P_T2<0.001; Z_T3 = -10.389, P_T3<0.001), respectively, to (0.71 ± 0.08), (1.83 ± 0.09), (2.36 ± 0.16) mm. LH and KGW significantly increased (5.05 ± 0.33) and (0.78 ± 0.13) mm compared to preoperative (Z_LH = -10.357, P_LH<0.001; Z_KGW = -6.833, P_KGW<0.001). The increase of mandibular T1 and LH was higher than that of maxilla [T2_mandible = 1.99 ± 0.11, T2_maxilla = 1.51 ± 0.16; H_mandible = - (5.58 ± 0.36), H_maxilla = - (3.95 ± 0.67) ], the difference was statistically significant (Z_T2 = -2.328, P_T2 = 0.020; Z_H = -2.465, P_H = 0.014). There was no significant difference in soft and hard tissue augmentation among different teeth.

Conclusion

PAOO has the potential to improve periodontal soft and hard tissue.

Key words: Periodontal accelerated osteogenic orthodontics, Periodontal phenotype, Malocclusion

Li Gao, Chenrong Xu, Shiwen Wu, Xi Huang, Tiantong Shu, Yan Zhang, Chuanjiang Zhao. Effect of periodontal accelerated osteogenic orthodontics on periodontal soft and hard tissue augmentation in anterior teeth of patients with skeletal ClassⅡ malocclusion[J]. Chinese Journal of Stomatological Research(Electronic Edition), 2025, 19(04): 247-255.

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Figures/Tables 11

References 20

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测量时间	手术牙位数（个）	T1	T2	T3	H
术前	166	0.38 ± 0.66	0.41 ± 0.56	2.96 ± 1.90	7.53 ± 4.36
术后1年	166	1.09 ± 1.03	2.24 ± 1.07	5.32 ± 2.22	2.48 ± 1.65
改变量		0.71 ± 0.08	1.83 ± 0.09	2.36 ± 0.16	-（5.05 ± 0.33）
Z值		-7.828^a	-10.825^a	-10.389^a	-10.357^b
P值		<0.001	<0.001	<0.001	<0.001

测量时间	手术牙位数（个）	T1	T2	T3	H
术前	166	0.38 ± 0.66	0.41 ± 0.56	2.96 ± 1.90	7.53 ± 4.36
术后1年	166	1.09 ± 1.03	2.24 ± 1.07	5.32 ± 2.22	2.48 ± 1.65
改变量		0.71 ± 0.08	1.83 ± 0.09	2.36 ± 0.16	-（5.05 ± 0.33）
Z值		-7.828^a	-10.825^a	-10.389^a	-10.357^b
P值		<0.001	<0.001	<0.001	<0.001

测量时间	手术牙位数（个）	T1	T2	T3	H
术前	54	0.70 ± 0.83	0.71 ± 0.58	1.89 ± 1.42	5.88 ± 5.17
术后1年	54	1.48 ± 1.03	2.22 ± 0.95	4.14 ± 1.39	1.93 ± 1.30
改变量		0.77 ± 0.14	1.51 ± 0.16	2.25 ± 0.28	-（3.95 ± 0.67）
Z值		-4.948^a	-5.937^a	-5.830^a	-5.502^b
P值		<0.001	<0.001	<0.001	<0.001

测量时间	手术牙位数（个）	T1	T2	T3	H
术前	54	0.70 ± 0.83	0.71 ± 0.58	1.89 ± 1.42	5.88 ± 5.17
术后1年	54	1.48 ± 1.03	2.22 ± 0.95	4.14 ± 1.39	1.93 ± 1.30
改变量		0.77 ± 0.14	1.51 ± 0.16	2.25 ± 0.28	-（3.95 ± 0.67）
Z值		-4.948^a	-5.937^a	-5.830^a	-5.502^b
P值		<0.001	<0.001	<0.001	<0.001

测量时间	手术牙位数（个）	T1	T2	T3	H
术前	112	0.22 ± 0.49	0.27 ± 0.49	3.47 ± 1.90	8.32 ± 3.68
术后1年	112	0.90 ± 0.98	2.26 ± 1.13	5.89 ± 2.32	2.74 ± 1.73
改变量		0.68 ± 0.09	1.99 ± 0.11	2.42 ± 0.20	-（5.58 ± 0.36）
Z值		-6.177^a	-8.967^a	-8.622^a	-8.765^b
P值		<0.001	<0.001	<0.001	<0.001

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