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43985

The Effect of Newly Introduced Bleaching Agent Listerine versus the Conventional Carbamide Peroxide on the Ultrastructure and Microhardness of Tooth Enamel

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Last updated: 04 Jan 2025

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Abstract

Background: Tooth bleaching is one of the most conservative and cost-effective dental treatments to enhance a person's smile. Aim: The aim of this study was to evaluate the effect of the newly introduced prebrush bleaching agent Listerine versus carbamide peroxide on the ultrastructure and micro-hardness of the enamel.Materials and Methods: Thirty non-carious sound human premolars extracted for orthodontic reasons. Teeth samples were divided equally into three groups. Group Ӏ served as control group where specimens were immersed in artificial saliva, group ӀӀ treated with 22% carbamide peroxide for 5 sessions per day 15 minutes for 60 days and group ӀӀӀ treated with Listerine pre-brush rinse for 5 sessions per day 15 minutes for 60 days, in between the sessions teeth were kept in artificial saliva. At the end of the experiment, all teeth were hemi-sectioned longitudinal in mesio-distal direction to form 60 specimens. The lingual halves of all the groups were used for measuring enamel micro-hardness, while buccal halves were examined by scanning electron microscope (SEM) to detect any ultrastructural changes of enamel of the different groups. Results: SEM results showed morphological alterations on the enamel surface of group ӀӀ and group ӀӀӀ compared with control group Ӏ as appeared surface pitting, porosity, irregularity, roughness, craters like depression and micro-cracks. Results of enamel surface micro-hardness showedno significant differences were found among the bleaching groups (ӀӀ-ӀӀӀ) (p=0.371). However, all bleaching agents produced a significant increase in the mean value of micro-hardness of enamel compared to the untreated control group (Ӏ) as there are highly significant between group Ӏ and other groups as group ӀӀ (p=0.003) and group ӀӀӀ (p=0.026). Conclusion bleaching abuse had a negative influence on the morphology of enamel and its micro-hardness. The home dental bleaching should be done with caution.

DOI

10.21608/scumj.2016.43985

Keywords

Tooth discoloration, tooth whitening, Enamel Roughness, artificial saliva

Authors

First Name

Marwa

Last Name

El Shafie

MiddleName

F

Affiliation

Department of Oral Biology, Faculty of Dentistry, Suez Canal University, Egypt

Email

essel255@hotmail.com

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Orcid

-

First Name

Laila

Last Name

Ghali

MiddleName

S

Affiliation

Department of Oral Biology, Faculty of Oral and Dental Medicine, Cairo University, Egypt.

Email

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City

-

Orcid

-

First Name

Rasha

Last Name

Taha

MiddleName

M

Affiliation

Department of Oral Biology, Faculty of Dentistry, Suez Canal University, Egypt

Email

-

City

-

Orcid

-

Volume

19

Article Issue

1

Related Issue

6813

Issue Date

2016-03-01

Receive Date

2019-08-05

Publish Date

2016-03-01

Page Start

87

Page End

99

Print ISSN

1110-6999

Online ISSN

2090-2581

Article File

SCUMJ_Volume 19_Issue 1_Pages 87-99.pdf

PDF . 599.6kB

Link

https://scumj.journals.ekb.eg/article_43985.html

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https://scumj.journals.ekb.eg/service?article_code=43985

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Original Article

Type Code

938

Publication Type

Journal

Publication Title

Suez Canal University Medical Journal

Publication Link

https://scumj.journals.ekb.eg/

MainTitle

The Effect of Newly Introduced Bleaching Agent Listerine versus the Conventional Carbamide Peroxide on the Ultrastructure and Microhardness of Tooth Enamel

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Article

Created At

22 Jan 2023