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Influence of self-etching primer on the resin adhesion to enamel and dentin.
Am J Dent. 2001 Aug; 14(4):205-10.AJ

Abstract

PURPOSE

To evaluate the shear bond strength of resin-based composite to dentin and enamel using three adhesive systems, two of them containing self-etchant primers. Wettability (contact angle measurements) of the primers of these three adhesive systems was also evaluated on superficial and deep dentin.

MATERIAL AND METHODS

Contact angle measurements were performed on 30 caries-free extracted human third molars; specimens were sectioned parallel to the occlusal surface to expose superficial and deep dentin. Dentin was ground flat (600-grit SiC) under water to provide uniform surfaces. Contact angle measurements were performed to assess wettability using the Axisymmetric Drop Shape Analysis technique. In order to test the enamel bond strength, 30 extracted bovine incisors were embedded in acrylic resin and ground flat to 800-grit. The adhesives and composite resins were applied following the manufacturers' instructions. All the specimens were stored in water for 24 hrs at 37 degrees C and thermocycled (500x). Shear bond strengths were determined using a universal testing machine and the Watanabe device. For dentin bond strength testing, superficial and deep dentin was exposed in 60 third molars, by sectioning the occlusal surface immediately under the enamel-dentin junction or close to the pulp chamber. After grinding (500 grit SiC), the dentin surfaces were assigned to three groups: (1) Clearfil SE Bond (CSEB)/Clearfil AP-X resin composite. (2) Etch & Prime (E&P)/Degufill mineral resin composite. (3) Scotchbond Multi-Purpose Plus (SBMP)/Z100 resin composite.

RESULTS

One-way ANOVA and Student-Newman-Keuls multiple comparisons tests showed that no differences were found between contact angles on superficial and deep dentin. CSEB and E&P, without significant differences between them, had greater mean contact angle than SBMP. On enamel, Etch & Prime resulted in the lowest bond strength, but no significant differences existed with Scotchbond Multi-Purpose were found. On dentin, Clearfil SE Bond resulted in the significantly highest bond strength; no significant differences exist between Etch & Prime and Scotchbond Multi-Purpose.

Authors+Show Affiliations

Dental Materials Department, University of Granada, Spain. toledano@platon.ugr.esNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

11699738

Citation

Toledano, M, et al. "Influence of Self-etching Primer On the Resin Adhesion to Enamel and Dentin." American Journal of Dentistry, vol. 14, no. 4, 2001, pp. 205-10.
Toledano M, Osorio R, de Leonardi G, et al. Influence of self-etching primer on the resin adhesion to enamel and dentin. Am J Dent. 2001;14(4):205-10.
Toledano, M., Osorio, R., de Leonardi, G., Rosales-Leal, J. I., Ceballos, L., & Cabrerizo-Vilchez, M. A. (2001). Influence of self-etching primer on the resin adhesion to enamel and dentin. American Journal of Dentistry, 14(4), 205-10.
Toledano M, et al. Influence of Self-etching Primer On the Resin Adhesion to Enamel and Dentin. Am J Dent. 2001;14(4):205-10. PubMed PMID: 11699738.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Influence of self-etching primer on the resin adhesion to enamel and dentin. AU - Toledano,M, AU - Osorio,R, AU - de Leonardi,G, AU - Rosales-Leal,J I, AU - Ceballos,L, AU - Cabrerizo-Vilchez,M A, PY - 2001/11/9/pubmed PY - 2002/1/31/medline PY - 2001/11/9/entrez SP - 205 EP - 10 JF - American journal of dentistry JO - Am J Dent VL - 14 IS - 4 N2 - PURPOSE: To evaluate the shear bond strength of resin-based composite to dentin and enamel using three adhesive systems, two of them containing self-etchant primers. Wettability (contact angle measurements) of the primers of these three adhesive systems was also evaluated on superficial and deep dentin. MATERIAL AND METHODS: Contact angle measurements were performed on 30 caries-free extracted human third molars; specimens were sectioned parallel to the occlusal surface to expose superficial and deep dentin. Dentin was ground flat (600-grit SiC) under water to provide uniform surfaces. Contact angle measurements were performed to assess wettability using the Axisymmetric Drop Shape Analysis technique. In order to test the enamel bond strength, 30 extracted bovine incisors were embedded in acrylic resin and ground flat to 800-grit. The adhesives and composite resins were applied following the manufacturers' instructions. All the specimens were stored in water for 24 hrs at 37 degrees C and thermocycled (500x). Shear bond strengths were determined using a universal testing machine and the Watanabe device. For dentin bond strength testing, superficial and deep dentin was exposed in 60 third molars, by sectioning the occlusal surface immediately under the enamel-dentin junction or close to the pulp chamber. After grinding (500 grit SiC), the dentin surfaces were assigned to three groups: (1) Clearfil SE Bond (CSEB)/Clearfil AP-X resin composite. (2) Etch & Prime (E&P)/Degufill mineral resin composite. (3) Scotchbond Multi-Purpose Plus (SBMP)/Z100 resin composite. RESULTS: One-way ANOVA and Student-Newman-Keuls multiple comparisons tests showed that no differences were found between contact angles on superficial and deep dentin. CSEB and E&P, without significant differences between them, had greater mean contact angle than SBMP. On enamel, Etch & Prime resulted in the lowest bond strength, but no significant differences existed with Scotchbond Multi-Purpose were found. On dentin, Clearfil SE Bond resulted in the significantly highest bond strength; no significant differences exist between Etch & Prime and Scotchbond Multi-Purpose. SN - 0894-8275 UR - https://www.unboundmedicine.com/medline/citation/11699738/Influence_of_self_etching_primer_on_the_resin_adhesion_to_enamel_and_dentin_ DB - PRIME DP - Unbound Medicine ER -