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71497

Clinical evaluation of chewing efficiency for flexible removable partial dentures in bilateral free-end saddle cases

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Last updated: 04 Jan 2025

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Abstract

Statement of problem: Increasing flexibility of removable partial denture increase the patient comfort and esthetics at the cost of bite force and chewing efficiency. Purpose: To compare and study the variation of chewing efficiency in different types of thermoplastic denture base materials used for restoring Kennedy class I removable partial dentures. Materials and Methods: Eight patients were included in the study. Four types (groups) of removable partial dentures will be made for every patient in the test group: thermoplastic Nylon RPD, thermoplastic Acetal RPD, thermoplastic PMMA RPD and thermoplastic PMMA with hard PMMA combination. Nylon and Acetal dentures were made using thermo-injectable technique. F. PMMA and H. & F. PMMA dentures were made using compression moulding technique. Chewing efficiency was measured after 1 week, 3 months and 6 months follow-up period for the two types. Chewing efficiency was evaluated by colored chewing gum and computerized color analysis. The test data were collected and analyzed. Results: H. & F. PMMA and F. PMMA had higher chewing efficiency than Nylon and Acetal 1 week after insertion for all chewing cycles. Only 10 chewing cycles affected by increasing the follow up period and denture adaptation for all types. Conclusion: Combination of flexible denture base materials with hard denture base material is recommended to enhance chewing efficiency.

DOI

10.21608/ajdsm.2018.71497

Authors

First Name

Mahmoud

Last Name

Ramadan

MiddleName

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Affiliation

PhD Condidate, Department of Removable Prosthodontics Faculty of Dental Medicine, Boys, Cairo, Al-Azhar University.

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Orcid

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First Name

Hassan

Last Name

M. Sakr

MiddleName

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Affiliation

Associated Professor, Department of Removable Prosthodontics Faculty of Dental Medicine, Boys, Cairo, Al-Azhar University., Associated Professor, Department of Removable Prosthodontics, El Bahaa University, Dental College.

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Orcid

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First Name

Mohamed

Last Name

R. Al-Kholy

MiddleName

-

Affiliation

Professor, Department of Removable Prosthodontics Faculty of Dental Medicine, Boys, Cairo, Al-Azhar University.

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Volume

21

Article Issue

2

Related Issue

10889

Issue Date

2018-04-01

Receive Date

2020-02-17

Publish Date

2018-04-01

Page Start

189

Page End

195

Print ISSN

1110-6751

Online ISSN

2682-3314

Article File

AJDSM_Volume 21_Issue 2_Pages 189-195.pdf

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https://ajdsm.journals.ekb.eg/article_71497.html

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https://ajdsm.journals.ekb.eg/service?article_code=71497

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Original Article

Type Code

848

Publication Type

Journal

Publication Title

Al-Azhar Journal of Dental Science

Publication Link

https://ajdsm.journals.ekb.eg/

MainTitle

Clinical evaluation of chewing efficiency for flexible removable partial dentures in bilateral free-end saddle cases

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Article

Created At

22 Jan 2023