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Is furcation involvement in maxillary molars a predictor for subsequent bone augmentation prior to implant placement? A pilot study


Walter, Clemens; Dagassan-Berndt, Dorothea C; Kühl, Sebastian; Weiger, Roland; Lang, Niklaus P; Zitzmann, Nicola U (2014). Is furcation involvement in maxillary molars a predictor for subsequent bone augmentation prior to implant placement? A pilot study. Clinical Oral Implants Research, 25(12):1352-1358.

Abstract

AIM: The aim of this pilot study was to analyze the interfurcal bone height in relation to the possible need for subsequent sinus floor elevation in patients with advanced periodontitis and furcation involvement of first and/or second maxillary molars.
MATERIAL AND METHODS: Seventeen dentate patients, who received cone beam computed tomography (CBCT) for detailed preoperative diagnosis and planning of surgical interventions at periodontally involved maxillary molars (17 first and 15 second molars), were consecutively recruited for the study. The minimal bone height in the interfurcal region was measured from CBCT and related to furcation involvement, residual bone above the root tips, and the clinical probing pocket depth (PPD).
RESULTS: The minimal interfurcal bone height measured 4.1 ± 2.6 mm on average with 75% of maxillary molars having ≤ 6 mm and almost 60% having only ≤ 4 mm bone height left below the sinus floor. A higher risk for reduced interfurcal bone height of ≤ 4 mm was given when residual PPD of ≥ 6 mm was remaining at two or more tooth sites (OR 0.10; 0.11).
CONCLUSIONS: The majority of periodontally involved maxillary molars had a substantially reduced interfurcal bone height, particularly with at least two sites with residual PPD ≥ 6 mm. This was a predictor for a subsequent need for sinus floor elevation when tooth replacement with a dental implant is desired.

AIM: The aim of this pilot study was to analyze the interfurcal bone height in relation to the possible need for subsequent sinus floor elevation in patients with advanced periodontitis and furcation involvement of first and/or second maxillary molars.
MATERIAL AND METHODS: Seventeen dentate patients, who received cone beam computed tomography (CBCT) for detailed preoperative diagnosis and planning of surgical interventions at periodontally involved maxillary molars (17 first and 15 second molars), were consecutively recruited for the study. The minimal bone height in the interfurcal region was measured from CBCT and related to furcation involvement, residual bone above the root tips, and the clinical probing pocket depth (PPD).
RESULTS: The minimal interfurcal bone height measured 4.1 ± 2.6 mm on average with 75% of maxillary molars having ≤ 6 mm and almost 60% having only ≤ 4 mm bone height left below the sinus floor. A higher risk for reduced interfurcal bone height of ≤ 4 mm was given when residual PPD of ≥ 6 mm was remaining at two or more tooth sites (OR 0.10; 0.11).
CONCLUSIONS: The majority of periodontally involved maxillary molars had a substantially reduced interfurcal bone height, particularly with at least two sites with residual PPD ≥ 6 mm. This was a predictor for a subsequent need for sinus floor elevation when tooth replacement with a dental implant is desired.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic for Fixed and Removable Prosthodontics
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2014
Deposited On:30 Jan 2015 09:10
Last Modified:05 Apr 2016 19:01
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0905-7161
Additional Information:This is the accepted version of the following article: [Walter C, Dagassan-Berndt DC, Kühl S, Weiger R, Lang NP, Zitzmann NU. Is furcation involvement in maxillary molars a predictor for subsequent bone augmentation prior to implant placement? A pilot study. Clin. Oral Impl. Res. 25, 2014, 1352–1358 doi: 10.1111/clr.12275], which has been published in final form at [http://onlinelibrary.wiley.com/doi/10.1111/clr.12275/abstract].
Publisher DOI:https://doi.org/10.1111/clr.12275
PubMed ID:24147971
Permanent URL: https://doi.org/10.5167/uzh-108014

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