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Pediatr Dent. 2008 Sep-Oct;30(5):388-92.

Extent of tooth decay in the mouth and increased need for replacement of dental restorations: the New England Children's Amalgam Trial.

Author information

1
New England Research Institutes, Watertown, Mass, USA. ftrachtenberg@neriscience.com

Abstract

PURPOSE:

The purpose of this study was to assess the relationship between baseline caries experience and the restoration replacement rate in children.

METHODS:

The 5-year New England Children's Amalgam Trial recruited 534 6- to 10-year-old children with 2 or more carious posterior teeth. The association between decoy and longevity of restorations was assessed. Restorations with no follow-up (N = 391) were excluded from analysis.

RESULTS:

The average follow-up was 3.0 +/- 1.6 years in 489 children. Restorations with follow-up (N = 3,604) were placed in mouths with a median of 15 dfs/DFS and 8 dft/DFT. The need for replacement increased significantly (P < or = .001) with increasing numbers of dfs/DFS and dft/DFT. After 5 years of follow-up, at least 15% of restorations in a mouth with > or = 14 dfs/DFS needed replacement, compared to 9% for 2 to 5 dfs/DFS. Comparing dft/DFT after 5 years of follow-up, there was a 23% replacement rate for > or = 12 dft/DFT compared to 10% for 2 to 3 dft/DFT. Decoy in the mouth had a greater association with the need for replacement due to new caries compared to replacement due to recurrent caries.

CONCLUSION:

Children with more decoy at the time of restoration placement were at higher risk for replacement of restorations.

PMID:
18942597
[Indexed for MEDLINE]

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