Does crown/implant ratio influence the survival and marginal bone level of short single implants in the mandibular molar? : A preliminary investigation consisting of 12 patients

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Does crown/implant ratio influence the survival and marginal bone level of short single implants in the mandibular molar? : A preliminary investigation consisting of 12 patients

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Publication Article, peer reviewed scientific
Title Does crown/implant ratio influence the survival and marginal bone level of short single implants in the mandibular molar? : A preliminary investigation consisting of 12 patients
Author(s) Ghariani, L ; Segaan, Lucette ; Rayyan, Mohammad ; Galli, Silvia ; Jimbo, Ryo ; Ibrahim, Ahmed
Date 2015
English abstract
Crown/implant (C/I) ratio has been proven to not affect the survival of the implants; however, it is also a fact that no evidence exists with regard to the use of single short implants in the mandibular molar. The aim of this study was to determine whether the crown/implant ratios of single implant-supported fixed restorations on implants of 6-8 mm in the mandibular molar have an impact on the implant survival and marginal bone maintenance. Twelve short dental implants (6-8 mm) were installed and restored with single crowns, loaded after 3 months of healing. The restorations were divided according to crown-to-implant ratio into two groups: Group 1: C/I < 2.0 and Group 2: C/I >== 2.0. Alveolar bone loss was measured using CBCT scan, taken at the implant placement and after 12 months follow-up from loading. Reduced implant/crown ratio shown no statistic significant differences on implant survival and the alveolar bone level compared with recommended implant/crown ratio. Within the limitation of this study, it can be concluded that reduced C/I ratio could be used as a substitute for recommended C/I ratio in severely mandibular atrophic residual alveolar ridges.
DOI http://dx.doi.org/10.1111/joor.12342 (link to publisher's fulltext)
Publisher Wiley
Host/Issue Journal of Oral Rehabilitation;
ISSN 1365-2842
Language eng (iso)
Subject(s) dental implants
single tooth
mandible
prostheses and implants
bone resorption
treatment outcome
Medicine
Research Subject Categories::ODONTOLOGY
Handle http://hdl.handle.net/2043/19992 (link to this page)

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