PMID: 8971640Dec 1, 1996Paper

The effect of fissure morphology and pretreatment of the enamel surface on penetration and adhesion of fissure sealants

Journal of Oral Rehabilitation
A L SymonsI A Meyers

Abstract

Fissure sealants have been used successfully as a means of preventing fissure caries. This effectiveness is directly related to sealant retention and retention is dependent upon a meticulous method of application. The aims of this study were to determine if sealant adhesion and penetration were affected by the variation in preparation of the enamel surface, or by pretreatment of the enamel surface with dentine adhesive systems, in fissures of varying morphology. Non-carious posterior teeth were visually examined and sorted according to fissure type, classified as shallow, deep or intermediate. Occlusal fissures were sealed using one of six methods, thermocycled for 200 cycles between 5 and 55 degrees C, in artificial saliva, then placed in a 1.5% procion orange dye for 3 min. Teeth were sectioned bucco-lingually and examined with a light microscope for (i) penetration of the sealant into the fissure pattern and (ii) adhesion of the sealant. All sealant techniques employed in this study adapted well to the enamel surface as the 1.5% procion Reactive orange dye failed to penetrate any of the sealed tooth sections. Shallow fissures were well obturated in both lateral and vertical dimensions. Sealants adapted well to the vertical w...Continue Reading

Citations

Nov 30, 2011·Clinical Oral Investigations·Xi ChenJo E Frencken
Oct 5, 2011·Lasers in Medical Science·Mozammal HossainYukio Nakamura
Jan 23, 2013·Photomedicine and Laser Surgery·Alessandra M Correa-AfonsoRegina G Palma-Dibb
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