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Wang E, Han J, Zhang X, et al. Efficacy of a mineralized collagen bone-grafting material for peri-implant bone defect reconstruction in mini pigs. Regen Biomater. 2019;6(2):107-111doi: 10.1093/rb/rby029.
Wang, E., Han, J., Zhang, X., Wu, Y., & Deng, X. L. (2019). Efficacy of a mineralized collagen bone-grafting material for peri-implant bone defect reconstruction in mini pigs. Regenerative biomaterials, 6(2), 107-111. https://doi.org/10.1093/rb/rby029
Wang, Enbo, et al. "Efficacy of a mineralized collagen bone-grafting material for peri-implant bone defect reconstruction in mini pigs." Regenerative biomaterials vol. 6,2 (2019): 107-111. doi: https://doi.org/10.1093/rb/rby029
Wang E, Han J, Zhang X, Wu Y, Deng XL. Efficacy of a mineralized collagen bone-grafting material for peri-implant bone defect reconstruction in mini pigs. Regen Biomater. 2019 Mar;6(2):107-111. doi: 10.1093/rb/rby029. Epub 2019 Mar 21. PMID: 30967965; PMCID: PMC6447001.
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Regen Biomater. 2019 Mar;6(2):107-111. doi: 10.1093/rb/rby029. Epub 2019 Mar 21.

Efficacy of a mineralized collagen bone-grafting material for peri-implant bone defect reconstruction in mini pigs.

Regenerative biomaterials

Enbo Wang, Jianmin Han, Xuehui Zhang, Yuhan Wu, Xu-Liang Deng

Affiliations

  1. Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Street, Haidian District, Beijing, China.
  2. Department of Dental Materials, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Street, Haidian District, Beijing, China.
  3. Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Street, Haidian District, Beijing, China.

PMID: 30967965 PMCID: PMC6447001 DOI: 10.1093/rb/rby029

Abstract

The mechanism of the mineralization process induced by natural mineralized collagen (MC) has been investigated for decades. The purpose of this study was to investigate the efficacy of self-assembled MC for peri-implant bone defect reconstruction in a mini pig. A standardized peri-implant bone defect model was created using 14 mini pig mandibles. Two materials were evaluated, i.e. a mixture of hydroxyapatite and collagen (Type A, TA), and self-assembled MC (Type B, TB). Bio-Oss (BO) and untreated (blank control, BC) groups were used as controls. After 3- and 6-month healing periods, the mini pigs were sacrificed for histomorphometric and microcomputed tomography analysis. After 3 months of healing, the average alveolar ridge height was 3.27 ± 1.57 mm for group TA, 3.28 ± 2.02 mm for group TB and 3.37 ± 1.09 mm for group BO, while group BC showed the lowest height of 2.68 ± 0.47 mm. After 6 months of healing, the average alveolar ridge height was 2.64 ± 1.13 mm for group TA, 4.31 ± 1.80 mm for group TB and 3.87 ± 1.38 mm for group BO, while group BC showed the lowest height of 2.48 ± 1.80 mm. The experimental groups and control group showed similar bone volume density, bone complexity and histological reaction. The self-assembled MC (Type B) stimulated new bone formation in the reconstruction of deficient alveolar ridges around the dental implant; it also displayed excellent clinical operability compared with bone grafts without collagen.

Keywords: bone-grafting material; dental implant; mineralized collagen

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