Microleakage of Class V compomer and light-cured glass ionomer restorations.

W. W. Brackett, T. D. Gunnin, R. O. Gilpatrick, W. D. Browning

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

STATEMENT OF PROBLEM: Resin-modified (light-cured) glass ionomer and polyacid-modified composite resin (compomer) restorations are popular choices for the restoration of root caries and cervical abrasion/erosion lesions, but clinical studies are relatively few and have been published primarily as abstracts. PURPOSE: In the absence of adequate clinical data, the marginal integrity of restorations of the above two types of material was compared in vitro. The microleakage of restorations of two light-cured glass ionomer restorative materials and of one compomer material was evaluated. METHODS AND MATERIAL: Restorations of the three materials were placed in facial and lingual Class V cavity preparations in bovine incisors. All preparations were centered on the cementoenamel junction and were prepared with 45-degree enamel bevels. After thermal cycling, teeth were immersed in methylene blue dye, then sections of the restorations (n = 16) were visually evaluated. RESULTS: Dye penetration was observed at approximately 20% of restoration margins for all three materials, with the greatest incidence of severe leakage in the compomer restorations. CONCLUSION: No significant difference in microleakage among the three materials (ANOVA; p > 0.05) was found.

Original languageEnglish (US)
Pages (from-to)261-263
Number of pages3
JournalThe Journal of prosthetic dentistry
Volume79
Issue number3
DOIs
StatePublished - Jan 1 1998

Fingerprint

Compomers
Light
Coloring Agents
Tooth Cervix
Root Caries
Methylene Blue
Incisor
Dental Enamel
Tongue
Analysis of Variance
Tooth
Hot Temperature
glass ionomer
Incidence

ASJC Scopus subject areas

  • Oral Surgery

Cite this

Microleakage of Class V compomer and light-cured glass ionomer restorations. / Brackett, W. W.; Gunnin, T. D.; Gilpatrick, R. O.; Browning, W. D.

In: The Journal of prosthetic dentistry, Vol. 79, No. 3, 01.01.1998, p. 261-263.

Research output: Contribution to journalArticle

Brackett, W. W. ; Gunnin, T. D. ; Gilpatrick, R. O. ; Browning, W. D. / Microleakage of Class V compomer and light-cured glass ionomer restorations. In: The Journal of prosthetic dentistry. 1998 ; Vol. 79, No. 3. pp. 261-263.
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