Use of a compomer in Class V restoration: A microleakage study

Francis Tung, Denise Estafan, Warren Scherer

Research output: Contribution to journalArticle

Abstract

Objective: The purpose of this investigation was to evaluate the microleakage of Class V lesions restored with a compomer material (Dyractflow) using 2 single-bottle bonding systems. Method and materials: Sixty-four Class V cavity preparations were made on 32 sound, extracted human premolars, 1 preparation on the facial surface and 1 on the lingual surface. Teeth were then randomly divided into 2 groups. Group 1, which served as the control group, was restored as follows: group 1a, facial surface with PQ1 single-bottle bonding system plus TPH resin composite; group 1b, lingual surface with Prime & Bond NT single-bottle bonding system plus TPH. Group 2 was restored as follows: group 2a, facial surface with PQ1 plus Dyractflow compomer material; group 2b, lingual surface with Prime & Bond NT plus Dyractflow. After 24 hours of storage in water and subsequent thermocycling, each specimen was immersed in 0.2% basic fuchsin dye for 24 hours. The teeth were sectioned longitudinally and horizontally, and dye penetration at enamel and cementum margins was viewed at X30 magnification by 2 independently calibrated evaluators. Specimens were evaluated as either having leaked or not having leaked. Results: No statistically significant differences in microleakage were noted between group 1 and group 2 specimens. Conclusion: Both single-bottle bonding systems, PQ1 and Prime & Bond NT, demonstrated equal effectiveness in reducing microleakage beneath compomer and composite restorations.

Original languageEnglish (US)
Pages (from-to)668-672
Number of pages5
JournalQuintessence International
Volume31
Issue number9
StatePublished - Oct 2000

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Compomers
Tongue
Tooth
Coloring Agents
Dental Cementum
Composite Resins
Bicuspid
Dental Enamel
Control Groups
Water

Keywords

  • Adhesive system
  • Class V restoration
  • Compomer
  • Microleakage

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Use of a compomer in Class V restoration : A microleakage study. / Tung, Francis; Estafan, Denise; Scherer, Warren.

In: Quintessence International, Vol. 31, No. 9, 10.2000, p. 668-672.

Research output: Contribution to journalArticle

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abstract = "Objective: The purpose of this investigation was to evaluate the microleakage of Class V lesions restored with a compomer material (Dyractflow) using 2 single-bottle bonding systems. Method and materials: Sixty-four Class V cavity preparations were made on 32 sound, extracted human premolars, 1 preparation on the facial surface and 1 on the lingual surface. Teeth were then randomly divided into 2 groups. Group 1, which served as the control group, was restored as follows: group 1a, facial surface with PQ1 single-bottle bonding system plus TPH resin composite; group 1b, lingual surface with Prime & Bond NT single-bottle bonding system plus TPH. Group 2 was restored as follows: group 2a, facial surface with PQ1 plus Dyractflow compomer material; group 2b, lingual surface with Prime & Bond NT plus Dyractflow. After 24 hours of storage in water and subsequent thermocycling, each specimen was immersed in 0.2{\%} basic fuchsin dye for 24 hours. The teeth were sectioned longitudinally and horizontally, and dye penetration at enamel and cementum margins was viewed at X30 magnification by 2 independently calibrated evaluators. Specimens were evaluated as either having leaked or not having leaked. Results: No statistically significant differences in microleakage were noted between group 1 and group 2 specimens. Conclusion: Both single-bottle bonding systems, PQ1 and Prime & Bond NT, demonstrated equal effectiveness in reducing microleakage beneath compomer and composite restorations.",
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