Treatment history of teeth in relation to the longevity of the teeth and their restorations

Outcomes of teeth treated and maintained for 15 years

Takanari Miyamoto, Steven M. Morgano, Takashi Kumagai, Judith A. Jones, Martha E. Nunn

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Statement of problem: Limited clinical data exist on the survival of teeth relative to their treatment history. Purpose: This study evaluated failure of teeth relative to their treatment history. Material and methods: Longitudinal data were collected for 3071 teeth from 148 fully compliant patients from 1 private practice in Yamagata, Japan. Follow-up times ranged from 15 to 23 years, with a mean of 19.2 years (SD 2.4). In this study, every tooth and its restoration were evaluated by one of the authors at the time of each maintenance visit. Treatment history of the teeth was categorized at baseline as follows: (1) sound, unrestored tooth (SUT); (2) 1-surface restoration (RT1); (3) 2-surface restoration (RT2); (4) 3-surface restoration (RT3); (5) 4+-surface restoration (RT4); (6) complete crown (CCT); (7) abutment for fixed partial dental prosthesis (AFT); (8) abutment for removable partial dental prosthesis (APDT); and (9) root canal treatment (RCT). Three types of failure modes were evaluated in this study: (1) restorative failure (secondary caries and/or fracture), (2) extraction, and (3) any failure (restorative failure or extraction). Multivariate survival analysis was used to determine the impact of the treatment history on failure (α=.05). Results: Teeth with multi-surface restorations experienced the highest incidence of any failure (P

Original languageEnglish
Pages (from-to)150-156
Number of pages7
JournalJournal of Prosthetic Dentistry
Volume97
Issue number3
DOIs
StatePublished - Mar 2007
Externally publishedYes

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Tooth
Dental Prosthesis
History
Therapeutics
Dental Pulp Cavity
Private Practice
Survival Analysis
Crowns
Japan
Multivariate Analysis
Maintenance
Incidence

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

Cite this

Treatment history of teeth in relation to the longevity of the teeth and their restorations : Outcomes of teeth treated and maintained for 15 years. / Miyamoto, Takanari; Morgano, Steven M.; Kumagai, Takashi; Jones, Judith A.; Nunn, Martha E.

In: Journal of Prosthetic Dentistry, Vol. 97, No. 3, 03.2007, p. 150-156.

Research output: Contribution to journalArticle

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