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Influence of the tooth- and implant-side marginal bone level on the interproximal papilla dimension in a single implant with a microthread, conical seal, and platform-switched design

 Hee-Jun Kwon  ;  Dong-Won Lee  ;  Kwang-Ho Park  ;  Chong-Kwan Kim  ;  Ik-Sang Moon 
 JOURNAL OF PERIODONTOLOGY, Vol.80(9) : 1541-1547, 2009 
Journal Title
Issue Date
Adult ; Aged ; Alveolar Bone Loss/etiology ; Alveolar Process/pathology* ; Dental Abutments ; Dental Implantation, Endosseous/methods ; Dental Implants, Single-Tooth* ; Dental Plaque Index ; Dental Prosthesis Design* ; Female ; Gingiva/pathology* ; Gingival Hemorrhage/etiology ; Humans ; Image Processing, Computer-Assisted ; Male ; Middle Aged ; Periodontal Index ; Radiography, Bitewing ; Surface Properties ; Tooth/pathology* ; Young Adult
Dental esthetics ; dental implants ; interdental papilla ; tooth
BACKGROUND: The purpose of the present study was to investigate whether bone level on the tooth side was the single dominant factor on the dimension of an interproximal papilla around single-tooth restorations made on a microthread, conical seal, and platform-switched design implant.

METHODS: Periapical radiographs were taken of 17 patients, each of whom was treated with a single implant. The bone levels on the tooth (Dt) and implant (Di) sides were recorded. The dimension of the papilla (Ph) was measured as the shortest distance from the top of the papilla to the crestal bone. The marginal bone levels of the implants were also measured. The Pearson correlation coefficient was used to correlate the variables, and a regression analysis was used to determine whether Di or Dt had a significant (P <0.05) influence on Ph.

RESULTS: A positive correlation existed between Ph and Di (r = 0.413; P = 0.023) and between Ph and Dt (r = 0.830; P <0.0001). However, only Dt had a significant influence on Ph.

CONCLUSION: Dt is the dominant factor that influences the interproximal soft tissue dimension between a natural tooth and a single implant with a microthread, conical seal, and platform-switched design.
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2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chong Kwan(김종관)
Moon, Ik Sang(문익상)
Park, Kwang Ho(박광호) ORCID logo
Lee, Dong Won(이동원) ORCID logo
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