Comparative Evaluation of Tensile – Bond Strength of An Orthodontic Adhesive with and without Fluoride Application, After Acid Etching -An Invitro Study
Correspondence Address :
Dr. J Chandulal,
Government Dental College & Hospital, Afzalgunj, Hyderabad-500012. Telangana, India.
E-mail : chandulaljadav@yahoo.com
Background: Fixed appliances hinder the effective control of plaque accumulation and white spot lesions may develop under the ill fitting bands or adjacent to the stainless steel brackets during orthodontic treatment particularly the etching process.
Aims and Objectives: Comparative study of tensile bond strength of an orthodontic adhesive with and without fluoride application after acid etching to know the effect of fluoride on bond strength.
Materials and Methods: This study is carried out on 90 non carious human premolar teeth, and divided in 6 groups with each group of 15 specimens. In those Groups I and IV were control group acid etch treatment, Group II and V is 1.23% APF gel (acid etch plus APF gel treatment,) and group III and VI is 8% SnF2 (acid etch plus SnF2 treatment). Samples of Group I, II and III bond strength were tested after 24 h and groups IV, V and VI after one month on microtechtensometer machine. The scanning electron microscope (SEM) investigation was carried out for the 2 specimens for the control group after acid etch and 4 specimens after acid etch with fluoride application for fluoride groups.
Results: Control and SnF2 treated groups was found to be nearly similar to the control group whereas APF treated group showed less focal holes than the other 2 groups.
Conclusion: Fluoride application after acid etching without having an adverse effect on bond strength but we can prevent the white spot lesions and caries.
Caries, Enamel demineralization, Orthodontic brackets, Stannous fluoride, White spot lesion
DOI: 10.7860/JCDR/2015/13102.5857
Date of Submission: Jan 19, 2015
Date of Peer Review: Mar 06, 2015
Date of Acceptance: Mar 18, 2015
Date of Publishing: Apr 01, 2015
Financial OR OTHER COMPETING INTERESTS: None.
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