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学科主题口腔医学
Ligature-induced peri-implant infection in crestal and subcrestal implants: a clinical and radiographic study in dogs
Huang, Baoxin1,2,3; Piao, Muzi3,4; Zhang, Li3; Wang, Xian&prime1; e(3)1; Xu, Li3; Zhu, Weidong3; Meng, Huanxin3
关键词Dental Implants Peri-implantitis Bone Resorption Peri-implant Defect Dental Implant-abutment Design Implant Surface Animals Crestal Remodeling Subcrestal Positioning
刊名PEERJ
2015-07-30
DOI10.7717/peerj.1139
3
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]SPONTANEOUS PROGRESSION ; TITANIUM IMPLANTS ; BONE CHANGES ; SURFACE CHARACTERISTICS ; ABUTMENT INTERFACE ; SUBMERGED IMPLANTS ; CYNOMOLGUS MONKEYS ; PLACEMENT DEPTH ; DENTAL IMPLANTS ; TAPER IMPLANTS
英文摘要

Objective. The aim of this study was to assess the influence of implant-abutment interface (IAI) placement depths on peri-implant tissues in the presence of ligature-induced peri-implant inflammation.

Materials and Methods. Two implants with screwed-in IAIs (SI) and two implants with tapped-in IAIs (TI) were inserted in one side of the mandible in six dogs eight weeks after tooth extraction. Four experimental groups were constituted: SI placed crestally, SI placed 1.5 mm subcrestally, TI placed crestally and TI placed 1.5 mm subcrestally. After 12 weeks, the healing abutments were connected. Four weeks later, cotton floss ligatures were placed around the abutments to promote plaque accumulation. Clinical and radiographic examinations were performed at 0, 6 and 12 weeks after ligature placement. The effects of the IAI placement depths on clinical and radiographic parameters were assessed.

Results. The alterations of peri-implant probing depths, clinical attachment levels, distances from the IAI to the first bone-implant contact (IAI-fBIC) and depths of infrabony defect were significant larger in the subcrestal groups compared with the crestal groups during the plaque accumulation period. The alterations of clinical attachment levels, IAI-fBIC, depth of the infrabony defect and horizontal bone loss were not significantly different between the SI and TI groups after ligature placement.

Conclusion. Tissue destruction in subcrestal implants may be more serious than that in crestal implants in the presence of inflamed peri-implant mucosa.

语种英语
WOS记录号WOS:000360842300006
项目编号81400550 ; B2014166
资助机构National Natural Science Foundation of China ; Medical Science Research Foundation of Guangdong Province, China ; Bicon LLC Dental Implants, Boston, Massachusetts, USA
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/51160
专题北京大学口腔医学院_牙周科
作者单位1.Sun Yat Sen Univ, Hosp Stomatol, Guanghua Sch Stomatol, Dept Oral Implantol, Guangzhou 510275, Guangdong, Peoples R China
2.Guangdong Prov Key Lab Stomatol, Guangzhou, Guangdong, Peoples R China
3.Peking Univ, Sch & Hosp Stomatol, Dept Periodontol, Beijing 100871, Peoples R China
4.Peking Univ, Sch & Hosp Stomatol, Dent Ctr 2, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Huang, Baoxin,Piao, Muzi,Zhang, Li,et al. Ligature-induced peri-implant infection in crestal and subcrestal implants: a clinical and radiographic study in dogs[J]. PEERJ,2015,3.
APA Huang, Baoxin.,Piao, Muzi.,Zhang, Li.,Wang, Xian&prime.,e.,...&Meng, Huanxin.(2015).Ligature-induced peri-implant infection in crestal and subcrestal implants: a clinical and radiographic study in dogs.PEERJ,3.
MLA Huang, Baoxin,et al."Ligature-induced peri-implant infection in crestal and subcrestal implants: a clinical and radiographic study in dogs".PEERJ 3(2015).
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