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Effect of bonding brackets by sulphated polyacrylic vs. Conventional acid etching on deciduous and permanent enamel

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Last updated: 25 Dec 2024

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Abstract

The aim of this study was to compare the shear bond strengths of metallic brackets bonded to deciduous and permanent enamel treated with crystalline growth solution (40% sulphated polyacrylic acid) and the adhesive remnants after debonding. Also, to verify the topographic difference of the treated deciduous and permanent enamel surface using Scanning Electron Microscope (SEM) compared with conventional acid-etching. Two sets of sixty freshly extracted deciduous and permanent teeth were collected. Each set was divided into 2 groups of 15 teeth each; groups I and II
(deciduous teeth) and groups III and IV (permanent teeth). For groups I and III, 40% sulphated polyacrylic acid was applied and for groups II and IV, conventional acid-etching was used. Brackets were bonded, and the shear bond strength was measured using a universal testing instrument. The residual adhesive was examined using a stereomicroscope at 20 times magnification. The SEM topographic pattern of treated enamel was evaluated. Shear bond strengths of the brackets of the four groups were compared by Two-Way Analysis of Variance (ANOVA). T-test was done for inter-groups comparison. The least recorded shear bond strength was 12.65± 0.15 MPa in group I; the deciduous teeth treated with
sulphated polyacrylic solution. Most of enamel surfaces treated  with the sulphated polyacrylic acid were left clean with no or minimal adhesive remnants, after brackets debonding. The deciduous enamel treated with the sulphated polyacrylic acid revealed formation of less abundant crystals than that appeared on permanent teeth enamel as shown by the SEM. Thus it is concluded that, 40% sulphated polyacrylic acid can be used for bonding metallic brackets to deciduous and permanent teeth.

DOI

10.21608/eos.2011.78920

Keywords

Crystalline growth, deciduous teeth, bonding, Shear bond strength

Authors

First Name

Shaza

Last Name

Hammad

MiddleName

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Affiliation

Department of Orthodontics, Faculty of Dentistry, Mansoura University

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City

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Orcid

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First Name

Abeer

Last Name

Abdellatif

MiddleName

-

Affiliation

Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Mansoura University

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Orcid

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Volume

39

Article Issue

June 2011

Related Issue

11772

Issue Date

2011-06-01

Receive Date

2011-02-05

Publish Date

2011-06-01

Page Start

77

Page End

91

Print ISSN

1110-435X

Online ISSN

2812-5258

Link

https://eos.journals.ekb.eg/article_78920.html

Detail API

https://eos.journals.ekb.eg/service?article_code=78920

Order

6

Type

Original Article

Type Code

1,120

Publication Type

Journal

Publication Title

Egyptian Orthodontic Journal

Publication Link

https://eos.journals.ekb.eg/

MainTitle

Effect of bonding brackets by sulphated polyacrylic vs. Conventional acid etching on deciduous and permanent enamel

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Article

Created At

22 Jan 2023