Characteristics of Adhesive Bonding with Enamel Deproteinization

Overview

Journal Dental Press J Orthod

Specialty Dentistry

Date 2019 Nov 14

PMID 31721943

Citations 4

Authors

Ghada Abdelaziz Mahmoud

Mohammed E Grawish

Marwa Sameh Shamaa

Yasser Lotfy Abdelnaby

Affiliations

Soon will be listed here.

Abstract

Objective: To evaluate the effect of using sodium hypochlorite (NaOCl) on the bond characteristics of orthodontic metal brackets bonded to enamel surface using three adhesive systems.

Methods: One hundred twenty premolars were selected and randomly divided into two equal groups of 60 teeth/ each (Groups I and II). The teeth of Group I were left untreated while those of Group II were exposed to 5.25% NaOCl for 1 minute. The teeth in either group were randomly subdivided into three equal subgroups of 20 teeth/ each (A, B and C), according to the type of adhesive system used to bond the brackets. In Subgroup A, phosphoric acid + Transbond XT primer and adhesive were used. In subgroup B, Transbond Plus self-etching primer (SEP) + Transbond XT adhesive were utilized. In subgroup C, phosphoric acid + SmartBond LC adhesive were used. The shear bond strength (SBS) and the degree of adhesive penetration to enamel surface were assessed. Data analyses were performed using ANOVA, post-hoc (LSD), t and chi-square test.

Results: Transbond XT had significantly higher SBS than SmartBond LC (p< 0.05). Phosphoric acid provided significantly higher SBS and degree of adhesive penetration than SEP (p< 0.05). NaOCl significantly increased SBS and degree of adhesive penetration in Subgroups B and C (p< 0.05).

Conclusion: Adhesion quality of Transbond XT adhesive is better than SmartBond LC. Phosphoric acid is more effective than SEP. NaOCl enhances the bond characteristics.

Citing Articles

Analysis of quality of life and periodontal health with an eight-unit maxillary fixed retainer through a prospective clinical trial.

Abbas M, Abdalla E, El Harouni N, Marzouk E Sci Rep. 2025; 15(1):4305.

PMID: 39905238 PMC: 11794599. DOI: 10.1038/s41598-025-88309-5.

Effect of enamel deproteinization with 5.25% sodium hypochlorite on the bond strength of orthodontic brackets. An experimental study.

Mas-Lopez A, Robles-Ruiz J, Arriola-Guillen L J Clin Exp Dent. 2024; 16(8):e947-e952.

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Assessment of the unwanted tooth movement associated with an extended maxillary fixed retainer (3D analysis).

Abbas M, Abdalla E, Marzouk E, El Harouni N BMC Oral Health. 2024; 24(1):899.

PMID: 39107745 PMC: 11302269. DOI: 10.1186/s12903-024-04622-x.

Enamel Deproteinization or Sandblasting for Enamel Reconditioning Before Acid Etching to Enhance the Shear Bond Strength of Metallic Brackets in a Third Bonding: An In Vitro Study.

Al-Daher M, Sultan K, Hajeer M, Burhan A Cureus. 2024; 16(8):e66210.

PMID: 39105206 PMC: 11299984. DOI: 10.7759/cureus.66210.

Comparative evaluation of shear bond strength and penetration of self-etch sealant with and without enamel deproteinization: an in vitro study.

Agarwal M, Gupta K, Yeluri R Eur Arch Paediatr Dent. 2024; 25(4):491-500.

PMID: 38755490 DOI: 10.1007/s40368-024-00907-5.

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