A STUDY OF SHEAR BOND STRENGTH OF ORTHODONTIC BRACKET UNDER BLOOD-CONTAMINATED CONDITIONS

,; ,

Journal of the Korean Academy of Pediatric Dentistry 2005;32(2):191-199.
Published online May 31, 2005.

A STUDY OF SHEAR BOND STRENGTH OF ORTHODONTIC BRACKET UNDER BLOOD-CONTAMINATED CONDITIONS

혈액 오염 환경 하에서 접착된 교정용 브라켓의 전단 강도에 관한 연구

신지선, 김종수

단국대학교 치과대학 소아치과학교실

Correspondence: ,

Abstract

This study was experienced in order to obtain the shear bond strength of orthodontic bracket adhesives under the blood contamination that can be occurred during the procedure of bracket bonding under window opening surgery. As a result of this study, shear bond strength of all glass ionomer groups were lower than resin cement groups. However, the strength of uncontaminated and post-contaminated group of glass ionomer was strong enough to perform an orthodontic forced eruption. This study revealed that during a window opening surgery, glass ionomer without etching procedure is available in order to bond a bracket if surface of teeth is not pre-contaminated by blood before the adhesive application. Both simple procedure and less adhesives remnant after bonding failure could make light-cured glass ionomer cement the ultimate choice for racket bonding.

Key Words: Shear bond strength, Blood contamination