Reasons for replacement and the age of failed restorations in posterior teeth of young Finnish adults

Authors: Palotie, Ulla; Vehkalahti, Miira

Source: Acta Odontologica Scandinavica, Volume 60, Number 6, 1 December 2002 , pp. 325-329(5)

Publisher: Informa Healthcare

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Abstract:

Using dentist characteristics, our aim was to evaluate the reasons for replacements of fillings, the age of failed restorations in the posterior teeth of young adults, and replacement rates. Altogether 205 patient records from the Public Oral Health Service of the City of Vantaa, Finland were evaluated. Patient age was restricted to between 25 and 30 years and type of tooth to posterior teeth only (third molars excluded). Information collected from the records included the patient's date of birth, latest DMFS and DMF, and the code for background data on the dentist. Details of each filled premolar and molar included the restorative material, location, and surface coverage of filling(s). The age of replacement of filling in premolar(s) or molar(s) was screened retrospectively from patient records. The total number of filled premolars and molars was 1873, with 1969 fillings. Forty percent of the patients had undergone replacement of filling in premolar(s) or molar(s). In all, 140 replacements had been made, accounting for 6.9% of amalgam fillings and 8.5% of tooth-colored fillings. Secondary caries, along with fractures, overhangs, and marginal discrepancy, was the most common reason for replacement. The mean age of failed amalgam fillings was 8.9 years (SD 5.2) and of failed tooth-colored fillings 2.4 years (SD 1.6). In the public sector, female dentists form the majority and their replacement rate for amalgam fillings was twice that of male dentists (7.6% vs 3.2%; P = 0.01).

Keywords: AMALGAM; REPLACEMENTS; RESTORATION; TOOTH-COLORED FILLINGS

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/000163502762667333

Publication date: December 1, 2002

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