The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial.

The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial. Research Abstract Details 

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The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial. Abstract Text:

Jennifer Ann Soncini,Nancy Nairi Maserejian,Felicia Trachtenberg,Mary Tavares,Catherine Hayes,

BACKGROUND: Limited information is available from randomized clinical trials comparing the longevity of amalgam and resin-based compomer/composite restorations. The authors compared replacement rates of these types of restorations in posterior teeth during the five-year follow-up of the New England Children's Amalgam Trial. METHODS: The authors randomized children aged 6 to 10 years who had two or more posterior occlusal carious lesions into groups that received amalgam (n=267) or compomer (primary teeth)/composite (permanent teeth) (n=267) restorations and followed them up semiannually. They compared the longevity of restorations placed on all posterior surfaces using random effects survival analysis. RESULTS: The average+/-standard deviation follow-up was 2.8+/-1.4 years for primary tooth restorations and 3.4+/-1.9 years for permanent tooth restorations. In primary teeth, the replacement rate was 5.8 percent of compomers versus 4.0 percent of amalgams (P=.10), with 3.0 percent versus 0.5 percent (P=.002), respectively, due to recurrent caries. In permanent teeth, the replacement rate was 14.9 percent of composites versus 10.8 percent of amalgams (P=.45), and the repair rate was 2.8 percent of composites versus 0.4 percent of amalgams (P=.02). CONCLUSION: Although the overall difference in longevity was not statistically significant, compomer was replaced significantly more frequently owing to recurrent caries, and composite restorations required seven times as many repairs as did amalgam restorations. CLINICAL IMPLICATIONS: Compomer/composite restorations on posterior tooth surfaces in children may require replacement or repair at higher rates than amalgam restorations, even within five years of placement.

The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial. Publishing Authors By Initials

JA Soncini,NN Maserejian,F Trachtenberg,M Tavares,C Hayes,

For similar tooth: tooth, deciduous research abstracts see: tooth: tooth, deciduous research

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The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Journal of the American Dental Association (1939)

VOLUME: 138

Page Numbers: 763-72

Journal Abbreviation:

ISSN: 0002-8177

DAY: 3

MONTH: Jun

YEAR: 2007

The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 7503060

The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial. Keywords Mesh Terms:

KEYWORDS: Tooth, Deciduous

MESH TERMS: statistics & numerical data

Chemical & Substance for Abstract: The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial. Information

Substance Name: Dental Amalgam

Registry Number: 8049-85-2

Grant and Affiliation Information for The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial.

AFFILIATION: The Forsyth Institute, Boston, MA, USA.

Country: United States

AGENCY: United States NIDCR

GRANT: U01 DE11886

ACRONYM: DE

MEDLINETA: J Am Dent Assoc

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