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Use of a self-etching adhesive on previously etched intact enamel and its effect on sealant microleakage and tag formation.
J Dent 2005; 33(2):163-71JD

Abstract

AIM

This study verified the effects of a self-etching adhesive applied on pre-etched fissures (phosphoric acid 35%) on microleakage, penetration ability and tag formation of a fissure sealant.

METHODS

80 extracted sound human molar teeth were randomly divided into four groups and bisected in two equal parts, forming two subgroups, denominated A and B. Groups 1 and 2 were etched with phosphoric acid for 60 and 40s, respectively. Groups 3 and 4 were etched with phosphoric acid (40 and 20s, respectively) and afterwards treated with Xeno III (20s). All the procedures on sealant placement were performed under 90+/-2% relative humidity. The subgroups A and B were submitted to 1000 and 5000 thermal cycles, respectively. The samples were examined by light microscopy and by confocal laser scanning microscopy (CLSM) after sectioning. Microleakage, penetration ability, fissure type, tag formation quality and tag length were measured.

RESULTS

Etching with phosphoric acid for 60s showed statistically significantly lower microleakage when compared to the other groups and significantly better tag formation quality and longer tags compared to 20s H(3)PO(4) plus Xeno III. Fissure type and number of thermal cycles were not significant factors on sealant microleakage. The penetration ability of the sealant in the fissure systems was not influenced by the treatment regimes. Shallow fissures showed a significant better tag formation than deep fissures. No significant difference in the prevalence of fissure types was seen among the groups.

CONCLUSION

Etching fissures with phosphoric acid for 60s showed best results. The additional use of Xeno III did not improve fissure sealing under the conditions of this study.

Authors+Show Affiliations

Department of Operative, Preventive and Pediatric Dentistry, School of Dental Medicine, University of Bern, Freiburgstrasse 7, 3010 Bern, Switzerland. paulaceliberti@hotmail.comNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

15683898

Citation

Celiberti, Paula, and Adrian Lussi. "Use of a Self-etching Adhesive On Previously Etched Intact Enamel and Its Effect On Sealant Microleakage and Tag Formation." Journal of Dentistry, vol. 33, no. 2, 2005, pp. 163-71.
Celiberti P, Lussi A. Use of a self-etching adhesive on previously etched intact enamel and its effect on sealant microleakage and tag formation. J Dent. 2005;33(2):163-71.
Celiberti, P., & Lussi, A. (2005). Use of a self-etching adhesive on previously etched intact enamel and its effect on sealant microleakage and tag formation. Journal of Dentistry, 33(2), pp. 163-71.
Celiberti P, Lussi A. Use of a Self-etching Adhesive On Previously Etched Intact Enamel and Its Effect On Sealant Microleakage and Tag Formation. J Dent. 2005;33(2):163-71. PubMed PMID: 15683898.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Use of a self-etching adhesive on previously etched intact enamel and its effect on sealant microleakage and tag formation. AU - Celiberti,Paula, AU - Lussi,Adrian, Y1 - 2004/12/19/ PY - 2004/02/17/received PY - 2004/08/27/revised PY - 2004/08/31/accepted PY - 2005/2/3/pubmed PY - 2005/4/13/medline PY - 2005/2/3/entrez SP - 163 EP - 71 JF - Journal of dentistry JO - J Dent VL - 33 IS - 2 N2 - AIM: This study verified the effects of a self-etching adhesive applied on pre-etched fissures (phosphoric acid 35%) on microleakage, penetration ability and tag formation of a fissure sealant. METHODS: 80 extracted sound human molar teeth were randomly divided into four groups and bisected in two equal parts, forming two subgroups, denominated A and B. Groups 1 and 2 were etched with phosphoric acid for 60 and 40s, respectively. Groups 3 and 4 were etched with phosphoric acid (40 and 20s, respectively) and afterwards treated with Xeno III (20s). All the procedures on sealant placement were performed under 90+/-2% relative humidity. The subgroups A and B were submitted to 1000 and 5000 thermal cycles, respectively. The samples were examined by light microscopy and by confocal laser scanning microscopy (CLSM) after sectioning. Microleakage, penetration ability, fissure type, tag formation quality and tag length were measured. RESULTS: Etching with phosphoric acid for 60s showed statistically significantly lower microleakage when compared to the other groups and significantly better tag formation quality and longer tags compared to 20s H(3)PO(4) plus Xeno III. Fissure type and number of thermal cycles were not significant factors on sealant microleakage. The penetration ability of the sealant in the fissure systems was not influenced by the treatment regimes. Shallow fissures showed a significant better tag formation than deep fissures. No significant difference in the prevalence of fissure types was seen among the groups. CONCLUSION: Etching fissures with phosphoric acid for 60s showed best results. The additional use of Xeno III did not improve fissure sealing under the conditions of this study. SN - 0300-5712 UR - https://www.unboundmedicine.com/medline/citation/15683898/Use_of_a_self_etching_adhesive_on_previously_etched_intact_enamel_and_its_effect_on_sealant_microleakage_and_tag_formation_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0300-5712(04)00152-6 DB - PRIME DP - Unbound Medicine ER -