Guided Tissue Regeneration Treatment Yields Better Results in Class II Furcations in the Mandible Than in the Maxilla: A Retrospective Study

Odontuya Dorj, Wei-Fang Lee, Eisner Salamanca, Yu-Hwa Pan, Yi-Fan Wu, Yung-Szu Hsu, Jerry C. Y. Lin, Yu- De Lin, Cheuk-Sing Choy and Wei-Jen Chang
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Odontuya Dorj: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 10692, Taiwan
Wei-Fang Lee: School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 10692, Taiwan
Eisner Salamanca: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 10692, Taiwan
Yu-Hwa Pan: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 10692, Taiwan
Yi-Fan Wu: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 10692, Taiwan
Yung-Szu Hsu: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 10692, Taiwan
Jerry C. Y. Lin: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 10692, Taiwan
Yu- De Lin: Sunmax Biotech Co., Ltd., Tainan 744093, Taiwan
Cheuk-Sing Choy: Department of Community Medicine, En Chu Kong Hospital, New Taipei City 237, Taiwan
Wei-Jen Chang: School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 10692, Taiwan

IJERPH, 2021, vol. 18, issue 14, 1-12

Abstract: Absorbable porcine collagen membrane with a bovine bone graft can be considered for regenerative treatment in periodontal class II furcation defects. We evaluated the clinical efficacy of guided tissue regeneration (GTR) treatment with bovine bone xenograft and a porcine collagen membrane in molars with class II furcations. Probing depth (PD), clinical attachment level (CAL), and bone level (BL) were recorded at baseline and at 3, 6, and 9 months postoperatively. Thirty class II furcation defects from the lower and upper molars were assessed. Significant improvements in PD and CAL were observed from baseline to 9 months in all groups ( p < 0.01). BL improved in all groups except group A in the upper molars in radiographic assessment ( p < 0.05). The lower and upper molars showed PD reduction of 50.5% ± 7.44% and 46.2% ± 11.2%, respectively, at 9 months ( p = 0.044). In furcations of 1–3 mm, the lower and upper molars showed PD reductions of 51.2% ± 4.49% and 36.5% ± 16.14%, respectively ( p = 0.035). The lower and upper molars showed a CAL gain of 51.1% ± 4.64% and 33.6% ± 18.8%, respectively ( p = 0.037). Thus, GTR with bovine bone graft and porcine collagen membrane yielded good results in class II furcations, with better results in the lower than in the upper molars.

Keywords: guided tissue regeneration; collagen membrane; furcation involvement; upper jaw; lower jaw (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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