条形自体块状骨联合GBR在水平骨增量中的应用研究

doi:10.13591/j.cnki.kqyx.2023.05.011

Abstract

Abstract:

Objective To compare the clinical effects of strip autogenous bone block combined with GBR (guided bone regeneration) and GBR alone in horizontal bone augmentation. Methods Twenty patients who needed delayed implantation of horizontal bone augmentation were selected and divided into two groups. The study group(group A)was strip autogenous bone block combined with GBR, and the control group(group B) was GBR alone. Before operation(T₀), immediately after operation(T₁) and 6 months after operation(T₂), the width of different sections of alveolar ridge in the bone graft area was measured by cone beam computed tomography(CBCT). The graft success rate, bone increment, bone resorption rate and The VAS pain scale scores of two groups were evaluated. Results Six months after bone grafting, the success rate of two groups was 100%,andthe bone width in both groups was significantly increased. The increment of group A at 1 mm and 3 mm below the crest was more than that of group B, with a significant difference(P<0.05), while there was no significant difference at 6 mm and 9 mm below the crest(P>0.05). The absorption rate of group A was lower than that of group B at 1 mm, 3 mm and 6 mm below the crest, with a significant difference(P<0.05), while the bone absorption rate of two groups at 9 mm below the crest was similar, with no significant difference(P>0.05).There was no significant difference in pain scale scores between two groups(P>0.05). Conclusion For severe horizontal bone defect, application of strip autogenous bone block combined with GBR has a lower absorption rate at the crest and middle of alveolar ridge, and can get a better crest contour than that of GBR alone.

Key words: autologousbone block graft, horizontal bone augmentation, guided bone regeneration

CLC Number:

R782.13

HE Xiuquan,LI Yushan,SHUI Yuhao,LIU Kun. Research on the application of strip autologous bone block combined with GBR in horizontal bone augmentation[J]. Stomatology, 2023, 43(5): 451-455.

Figures/Tables 7

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References 21

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分组	年龄/岁	性别		缺牙数		缺牙部位				距牙槽嵴顶不同距离各部位的术前骨宽度/mm
分组	年龄/岁	男	女	单牙	多牙	前牙	后牙	上颌	下颌	距离1 mm	距离3 mm	距离6 mm	距离9 mm
A组	36.3±13.1	5	5	0	10	8	2	7	3	2.99±0.62	3.73±0.96	4.65±1.67	6.02±1.77
B组	27.7±8.6	5	5	3	7	8	2	6	4	3.30±0.98	4.09±1.34	5.19±1.58	6.44±1.67
P	0.100	0.211						1.000		0.408	0.499	0.467	0.592

嵴顶下距离	分组	即刻骨增量/mm	P	最终骨增量/mm	P	骨吸收率	P
1 mm	A组	4.43±1.49	0.270	3.67±1.02	0.002^*	15.9%	0.000^*
1 mm	B组	3.75±1.16	0.270	2.06±0.94	0.002^*	47.1%	0.000^*
3 mm	A组	5.68±1.63	0.133	4.35±0.88	0.003^*	21.6%	0.006^*
3 mm	B组	4.54±1.61	0.133	2.58±1.41	0.003^*	48.0%	0.006^*
6 mm	A组	5.34±2.05	0.205	4.42±1.46	0.051	15.4%	0.017^*
6 mm	B组	4.26±1.59	0.205	3.02±1.53	0.051	32.2%	0.017^*
9 mm	A组	4.49±2.18	0.282	3.57±1.79	0.291	21.4%	0.901
9 mm	B组	3.53±1.67	0.282	2.78±1.44	0.291	22.3%	0.901

Research on the application of strip autologous bone block combined with GBR in horizontal bone augmentation

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