A COMPARATIVE STUDY OF ACID AND LASER ETCHING ON MICRO SHEAR BOND STRENGTH OF ENAMEL

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JABERI ANSARI Z.; FEKR AZAD R.; FEYZI S.; YOUNESIAN F.

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Journal: Journal of Dental School Year:2010 | Volume:28 | Issue:1 (83) Page(s): 1-6

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Title

A COMPARATIVE STUDY OF ACID AND LASER ETCHING ON MICRO SHEAR BOND STRENGTH OF ENAMEL

Author(s)

JABERI ANSARI Z. | FEKR AZAD R. | FEYZI S. | YOUNESIAN F. | Issue Writer Certificate

Keywords

MICRO SHEAR BOND STRENGTHQ3

ERQ3

CR:YSGG LASERQ3

ENAMELQ3

Abstract

Background and Aim: With the increase of laser application in different fields of dentistry, further research is required to evaluate its efficiency in dental therapy. This study evaluated the effect of ER,CR:YSGG LASER conditioning of ENAMEL on MICRO SHEAR BOND STRENGTH of composite resin of human ENAMEL following two different tooth preparation methods (Diamond disk versus ER,CR:YSGG LASER).Materials & Methods: In this invitro study, 125 human third molars were randomly assigned into 5 groups. Buccal and lingual ENAMEL slices were prepared as below: A) laser-ablated without etching, B) laser-ablated and laser-etched, C) laser-ablated and acid-etched, D) cut by diamond disk and laser-etched and E) cut by diamond disk and acidetched. Tubs of Z100 composite resin (3M, Dental Product/ USA) were bonded to conditioned ENAMEL surfaces after applying two layers of Single Bond (3M ESPE, Dental product! USA) Shear bond strength was measured by Micro- Tensile tester (Bisco Inc/USA) at a cross-head speed of 0.5 mm/min. Data were analyzed by one-way ANOV A, and Tukey tests.Results: Mean shear bond strengths in groups were: A=23.14±6.53 MPa, B=23.77±5.56MPa, C=23.5±4.89MPa, D=19.30±5.56MPa and E=28.99±6.40 MPa respectively. The differences between (E,A), (E,B), (D,B), (C,D) and (D,E) were significant (P<0.05).Conclusion: MICRO SHEAR BOND STRENGTH of groups prepared by diamond disk and acid-etched were higher than groups prepared and etched by ER,CR:YSGG LASER. Therefore, re-etching with acid phosphoric is necessary if laser is used for tooth preparation or etching. Etching with acid phosphoric is recommended when laser is to used for tooth preparation or etching.

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APA: Copy

JABERI ANSARI, Z., FEKR AZAD, R., FEYZI, S., & YOUNESIAN, F.. (2010). A COMPARATIVE STUDY OF ACID AND LASER ETCHING ON MICRO SHEAR BOND STRENGTH OF ENAMEL. JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, 28(1 (83)), 1-6. SID. https://sid.ir/paper/21797/en

Vancouver: Copy

JABERI ANSARI Z., FEKR AZAD R., FEYZI S., YOUNESIAN F.. A COMPARATIVE STUDY OF ACID AND LASER ETCHING ON MICRO SHEAR BOND STRENGTH OF ENAMEL. JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE[Internet]. 2010;28(1 (83)):1-6. Available from: https://sid.ir/paper/21797/en

IEEE: Copy

Z. JABERI ANSARI, R. FEKR AZAD, S. FEYZI, and F. YOUNESIAN, “A COMPARATIVE STUDY OF ACID AND LASER ETCHING ON MICRO SHEAR BOND STRENGTH OF ENAMEL,” JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, vol. 28, no. 1 (83), pp. 1–6, 2010, [Online]. Available: https://sid.ir/paper/21797/en

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