Comparison of clinical efficacy between autologous block bone graft and GBR in horizontal bone augmentation based on Mimics 3D reconstruction

doi:10.19439/j.sjos.2024.05.008

Abstract

Abstract: PURPOSE: To compare the clinical efficacy of autologous bone block graft and guided bone regeneration (GBR) in horizontal bone augmentation. METHODS: A total of 42 patients were included and divided into two groups. Group A included 20 patients, in whom autologous bone block graft was performed. Group B included 22 patients, in whom GBR was conducted. The incidence of complications, pain degree, secondary bone graft rate, bone width increment, bone resorption rate, marginal bone resorption and implant success rate after 1 year of restoration were recorded and evaluated. SPSS 26.0 soft ware package was used for data analysis. RESULTS: There was no significant difference in implant success rate, incidence of complications and the rate of secondary bone grafting between the two groups. The pain degree in group A was significantly higher than that in group B(P<0.05). The increment of bone width at 2 mm below the crest in group A was more than that in group B(P<0.05). There was no significant difference in increment of bone width between 6 mm and 10 mm below the crest. The absorption rate of group A was significantly lower than that of group B at 2 mm below the crest(P<0.05), while the difference was not statistically significant at 6 mm and 10 mm below the crest. There was no significant difference in marginal bone resorption between the two groups 1 year after restoration. CONCLUSIONS: For horizontal bone defects, autologous bone block graft has a better bone contour at the crest than GBR. The amount of marginal bone resorption in two groups is similar after 1 year of restoration.

Key words: Autologous bone block graft, Guide bone regeneration, Bone resorption, Horizontal bone defect, Mimics software

CLC Number:

R782.13

HE Xiu-quan, LI Yu-shan, SHUI Yu-hao, LIU Kun. Comparison of clinical efficacy between autologous block bone graft and GBR in horizontal bone augmentation based on Mimics 3D reconstruction[J]. Shanghai Journal of Stomatology, 2024, 33(5): 486-491.

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