Clinical evaluation of paired compomer and glass ionomer restorations in primary molars: final results after 42 months.

Abstract:

OBJECTIVES:To undertake a clinical trial comparing the efficiency of a compomer restoration with a glass ionomer restoration in the management of caries in primary molar teeth. DESIGN:Subjects were admitted to the trial if they required at least one pair of restorations in primary molar teeth. SETTING:Department of Child Dental Health, Newcastle Dental Hospital and School. SUBJECT:Twenty nine children, aged 4-9 years, had 56 pairs of restorations placed between January 1995 and November 1997. METHOD:The durability of the restorations was assessed during a 42-month follow-up period using modified United States Public Health Service criteria. Survival analysis and the McNemar paired test were used to compare the performance of the two restorative materials. RESULTS:The compomer restorations had a higher mean survival time (42 months, SE 1.40) compared with 37 months (SE 1.90) for the glass ionomer restorations and this was significant at the 5% level. The compomer also performed significantly better in terms of anatomical form, marginal integrity, cavo surface discoloration and maintenance of interproximal contact. CONCLUSIONS:The present trial demonstrated that Dyract compomer performed significantly better than Chemfil Superior a glass ionomer cement for all modified United States Public Health Service criteria over a period of 42 months.

journal_name

Br Dent J

journal_title

British dental journal

authors

Welbury RR,Shaw AJ,Murray JJ,Gordon PH,McCabe JF

doi

10.1038/sj.bdj.4800693

subject

Has Abstract

pub_date

2000-07-22 00:00:00

pages

93-7

issue

2

eissn

0007-0610

issn

1476-5373

journal_volume

189

pub_type

临床试验,杂志文章,随机对照试验
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