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Home > Archives > Volume 20, No 11 (2022) > Article

DOI: 10.14704/nq.2022.20.11.NQ66192

Glass ionomer cements as luting agents for orthodontic brackets

Dr. (Prof) Neal Bharat Kedia, Dr Aparna Deo, Dr. Chahat Chabra, Dr.Mamata Narayan Madavi, Dr. Aneetinder Kaur, Dr. Fawaz V

Abstract

Background: To study and evaluate the glass ionomer cements as luting agents for orthodontic brackets. Materials & methods: A total of 50 teeth were divided into different groups. Extracted teeth were included in the present study. Each experimental group consisted of 10 embedded teeth. All resin and glass ionomer cements were mixed and applied to the brackets and enamel in accordance with the manufacturers’ instructions. They were classified as according to material transbond XT, GC fuji ortho LC and GC fuji ortho. Teeth were given conditions accordingly as dry, wet also the surface treated was conditioned or unconditioned. Results: The results showed that wet unconditioned surfaces consistently produced higher shear bond strengths than dry unconditioned surfaces. Wet or dry conditioned surfaces, however, produced higher shear bond strengths than unconditioned wet or dry surfaces. The mean shear bond strength for fuji ortho LC dry conditioned and GC fuji ortho dry unconditioned at 24 hour was 14.60 and 4.18, at 7 days was 12.58 and 3.01. Conclusion: The results of this study suggest that glass ionomer cements provide sufficiently high shear bond strengths to retain orthodontic brackets under clinical conditions.

Keywords

glass ionomer cement, shear bond strength, orthodontic brackets.

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