title: Survival of Restored Endodontically Treated Teeth in Relation to Periodontal Status.
abstract: The aim of the present study was to investigate the success and survival of restored endodontically treated teeth (ETT) in a general practice environment related to periodontal parameters. Data from 360 restored ETT treated between 2000 and 2011 were collected. Dates of interventions like restorations, repairs, replacements and extractions were recorded. Additionally, general information about patients and dentitions as well as periodontal status was recorded. Success was analyzed using Kaplan-Meier statistics and a multivariate Cox regression analysis was performed to assess variables influencing success and survival. After a mean observation time of 4.34 years (range 0.6 - 11.6 years), 19 teeth were extracted and 27 restorations needed repair or replacement. According to the Cox regression, increasing maximum pocket depth of the tooth resulted in a higher risk for failure (p=0.012). In conclusion, periodontal pocket depth was found to be a significant factor in the survival of restored ETT.
authors.affiliation: Department of Preventive and Restorative Dentistry, College of Dental Science, Radboud University, Nijmegen, Netherlands.
authors.forename: Jovito Adiel
authors.initials: JA
authors.lastname: Skupien
authors.affiliation: Department of Preventive and Restorative Dentistry, College of Dental Science, Radboud University, Nijmegen, Netherlands.
authors.forename: Niek J
authors.initials: NJ
authors.lastname: Opdam
authors.affiliation: Private Practice, Düsseldorf, Germany.
authors.forename: Rolf
authors.initials: R
authors.lastname: Winnen
authors.affiliation: Department of Preventive and Restorative Dentistry, College of Dental Science, Radboud University, Nijmegen, Netherlands.
authors.forename: Ewald M
authors.initials: EM
authors.lastname: Bronkhorst
authors.affiliation: Radboud University, Nijmegen, Netherlands.
authors.forename: Cees M
authors.initials: CM
authors.lastname: Kreulen
authors.affiliation: Universidade Federal de Pelotas, Pelotas, RS, Brazil.
authors.forename: Tatiana
authors.initials: T
authors.lastname: Pereira-Cenci
authors.affiliation: Department of Preventive and Restorative Dentistry, College of Dental Science, Radboud University, Nijmegen, Netherlands.
authors.forename: Marie-Charlotte
authors.initials: MC
authors.lastname: Huysmans
mesh_terms: D019232:Dental Restoration Failure; D006801:Humans; D010510:Periodontal Diseases / Q000503:physiopathology*; D012390:Root Canal Therapy