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Effects of thread size in the implant neck area on peri-implant hard and soft tissues: an animal study

 Jay-Yong Choi  ;  Ik-Sang Moon  ;  Jeong-Ho Yun  ;  Kwang-Ho Park  ;  Jong-Ki Huh  ;  Dong-Won Lee 
 CLINICAL ORAL IMPLANTS RESEARCH, Vol.27(9) : 1187-1192, 2016 
Journal Title
Issue Date
Alveolar Process/diagnostic imaging ; Alveolar Process/pathology ; Alveolar Process/surgery* ; Animals ; Cone-Beam Computed Tomography ; Dental Implantation, Endosseous/adverse effects* ; Dental Implantation, Endosseous/instrumentation ; Dental Implantation, Endosseous/methods ; Dental Implants/adverse effects* ; Dogs ; Gingiva/diagnostic imaging ; Gingiva/pathology ; Gingiva/surgery* ; X-Ray Microtomography
CT imaging ; animal experiments ; bone implant interactions ; morphometric analysis ; soft tissue-implant interactions
Objectives : The aim of this animal study was to examine the effects of thread size in the implant neck area on peri-implant tissues in terms of BIC and hard- and soft-tissue dimensions. Materials and methods : Six Beagle dogs received experimental implants in the mandible 3 month after the removal of premolars and first molars (P2, P3, P4, and M1). Two different types of implants were installed in each animal: Anyone microthread® as Group 1 and Anyone® as Group 2. Resonance frequency test, intraoral radiography, micro-CT, and histomorphometry were used to evaluate peri-implant tissue after implantation periods of 4 and 8 weeks. Results : No remarkable complication was observed during the healing period in either group. Resonance frequency testing revealed no significant difference between groups. In radiographic evaluation, Group 2 showed more bone loss than Group 1. However, this difference was not statistically significant. In the micro-CT analysis, BIC and BIV values and soft-tissue height were not significant in both groups. Histological analysis revealed no significant difference in BIC ratio, bone density, or bone loss between groups. However, soft-tissue height was significantly greater in Group 2 than in Group 1 (P = 0.0004). Conclusion : No difference in peri-implant hard or soft tissues was observed according to thread size in the implant neck area.
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2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
Moon, Ik Sang(문익상)
Park, Kwang Ho(박광호) ORCID logo https://orcid.org/0000-0003-1942-2986
Lee, Dong Won(이동원) ORCID logo https://orcid.org/0000-0003-1852-7989
Huh, Jong Ki(허종기) ORCID logo https://orcid.org/0000-0002-7381-3972
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