EFFECT OF INCORPORATING NANO-HYDROXYAPATITE AND NANO-ZINC OXIDE INTO RESIN MODIFIED GLASS IONOMER CEMENT ON METAL BRACKET DEBONDING

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NOURI SARI M.; RAHMANI N.; ARAGHBIDI KASHANI M.; ESLAMI AMIRABADI GH.R.; AKBARI SARI A.; SEYED TABAII E.

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Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2015 | Volume:27 | Issue:1 (94) Page(s): 17-23

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Title

EFFECT OF INCORPORATING NANO-HYDROXYAPATITE AND NANO-ZINC OXIDE INTO RESIN MODIFIED GLASS IONOMER CEMENT ON METAL BRACKET DEBONDING

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Keywords

RESIN MODIFIED GLASS IONOMER CEMENTQ2

NANOHYDROXYAPATITETQ2

NANO-ZINC OXIDEQ2

SHEAR BOND STRENGTHQ2

Abstract

Background and Aim: Fluoride releasing adhesives are favorable for bracket bonding since they decrease the risk of demineralization around orthodontic brackets given that they provide acceptably high SHEAR BOND STRENGTH (SBS). The aim of this study was to evaluate the SBS of resin-modified glass ionomer cements (RMGIC) reinforced by NANO-ZINC OXIDE (NZnO) and nano-hydroxyapatite (NHA) particles in comparison with composite resins.Materials and Methods: In this experimental study, 80 extracted human premolars were used. The teeth were randomly divided into 4 groups as follows: Group I: Transbond XT as the control group, Group 2: RMGIC (Fuji II LC), Group 3: RMGIC with 5% NHA and Group 4: RMGIC with 2% NZnO. After enamel etching, brackets were bonded. The SBS was calculated for each group. The percentage of adhesive remained on the enamel was quantified by calculating the adhesive remnant index (ARI). The data were analyzed using one-way ANOV A and the Kruskal Wallis test.Results: According to the results of ANOV A, there were no significant differences in SBS of groups (P=0.075). The mean SBS in groups 1 to 4 was 15.43±4.61, 14.95±4.34, 17.97±3.65 and 17.08±3.59 MPa, respectively. According to the Kruskal-Wallis test, there were no significant differences in degree of ARI among groups (P=0.413).Conclusion: The SBS was similar among all groups and adding NZnO and NHA particles had no negative effect on SBS of RMGIC. In all groups, less than half the adhesive remained on the enamel after bond failure.

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APA: Copy

NOURI SARI, M., RAHMANI, N., ARAGHBIDI KASHANI, M., ESLAMI AMIRABADI, GH.R., AKBARI SARI, A., & SEYED TABAII, E.. (2015). EFFECT OF INCORPORATING NANO-HYDROXYAPATITE AND NANO-ZINC OXIDE INTO RESIN MODIFIED GLASS IONOMER CEMENT ON METAL BRACKET DEBONDING. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 27(1 (94)), 17-23. SID. https://sid.ir/paper/55014/en

Vancouver: Copy

NOURI SARI M., RAHMANI N., ARAGHBIDI KASHANI M., ESLAMI AMIRABADI GH.R., AKBARI SARI A., SEYED TABAII E.. EFFECT OF INCORPORATING NANO-HYDROXYAPATITE AND NANO-ZINC OXIDE INTO RESIN MODIFIED GLASS IONOMER CEMENT ON METAL BRACKET DEBONDING. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2015;27(1 (94)):17-23. Available from: https://sid.ir/paper/55014/en

IEEE: Copy

M. NOURI SARI, N. RAHMANI, M. ARAGHBIDI KASHANI, GH.R. ESLAMI AMIRABADI, A. AKBARI SARI, and E. SEYED TABAII, “EFFECT OF INCORPORATING NANO-HYDROXYAPATITE AND NANO-ZINC OXIDE INTO RESIN MODIFIED GLASS IONOMER CEMENT ON METAL BRACKET DEBONDING,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 27, no. 1 (94), pp. 17–23, 2015, [Online]. Available: https://sid.ir/paper/55014/en

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