Efficacy of Collagen-Based Membranes in Alveolar Bone Augmentation

被引:5
作者
Choi, Na-Rae [1 ]
Sandor, George K. [2 ,3 ]
Kim, Yong-Deok [1 ,4 ,5 ]
机构
[1] Pusan Natl Univ, Sch Dent, Dept Oral & Maxillofacial Surg, Yangsan 50612, South Korea
[2] Univ Oulu, Oulu Univ Hosp & Med Res Ctr, Dept Oral & Maxillofacial Surg, Oulu 90014, Finland
[3] Univ Tampere, BioMediTech, Inst Biosci & Med Technol, Tampere 33100, Finland
[4] Pusan Ntional Univ, Inst Translat Dent Sci, Yangsan 50612, South Korea
[5] Pusan Ntional Univ, Dent Res Inst, Yangsan 50612, South Korea
来源
APPLIED SCIENCES-BASEL | 2018年 / 8卷 / 11期
基金
新加坡国家研究基金会;
关键词
guided bone regeneration; membrane; cross-linked; autogenous graft; bone regeneration; REGENERATION; OSSIFICATION; IMPLANTS; DEFECTS; GRAFTS;
D O I
10.3390/app8112048
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Collagen-based membranes (CBMs) have similar permissive bone formation capabilities when compared to non-absorbable membranes. CBMs have been classified as non-cross-linked membranes (NCLMs) and cross-linked membranes (CLMs) depending on whether the cross-linking between the collagen fibers was artificially increased. The purpose of this study is to evaluate the bone maintenance capacity between NCLMs and CLMs by comparing resorption of regenerated bone. The inclusion criteria consisted of: (1) The use of a CBM, either being an NCLM or CLM for coverage of grafted bone; (2) follow-up for more than one year; (3) the presence of the patient's orthopantomographic X-ray (OPTG) immediately following the installation of implants and one year after. The bone resorption observed in the OPTG was determined by measuring the number of exposed threads of the implant. The number of thread exposures in the implant was compared according to CBM types. OPTGs taken immediately following the installation of implants and at one year after installation were compared. The subject of the measurement was always the implant in which the greatest number of exposed threads were present in each patient. A total of 56 subjects and 97 implants were used in this study. There was no significant difference between NCLM and CLM groups (p > 0.05). However, there was a statistically significant difference (p = 0.02) between the groups when a bone graft was applied to both the maxilla and the mandible. The average number of thread exposures was less than 1.5. In this study, no comparison was made between commonly known causes of bone loss and membrane types.
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页数:8
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