Parameters Affecting the Retention Force of CAD/CAM Telescopic Crowns: A Focused Review of In Vitro Studies

Telescopic systems constructed using computer aided design and computer aided manufacture (CAD/CAM) can overcome many drawbacks associated with conventionally constructed ones. Since retention is considered the most important function of these retainers, this scoping review aimed to discuss and summ...

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Main Authors: Abdullah Kamel, Amr Badr, Gehan Fekry, James Tsoi
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Journal of Clinical Medicine
Subjects:
Online Access:https://www.mdpi.com/2077-0383/10/19/4429
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author Abdullah Kamel
Amr Badr
Gehan Fekry
James Tsoi
author_facet Abdullah Kamel
Amr Badr
Gehan Fekry
James Tsoi
author_sort Abdullah Kamel
collection DOAJ
description Telescopic systems constructed using computer aided design and computer aided manufacture (CAD/CAM) can overcome many drawbacks associated with conventionally constructed ones. Since retention is considered the most important function of these retainers, this scoping review aimed to discuss and summarize the parameters that affect this function in CAD/CAM-manufactured telescopic crowns and to compare their retention force values with the recommended retention force. An electronic search was done in Pubmed and Google Scholar databases using different keyword combinations to find the related articles. Seventeen articles that follow the eligibility criteria for this review were selected and analyzed for detection of each of the tested parameters and their effect on retention force. The parameters tested in these articles were divided into parameters related to design, manufacturing, material type, and test condition. Regardless of the effect of these parameters, the retention force values recorded in most of the selected studies laid within or were higher than the recommended retention force (2.5–10 N), which indicated the need to design and set the combination of materials of telescopic systems according to oral biomechanics.
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spelling doaj.art-ddb121f388be4679956a1d88f9a03d802023-11-22T16:19:19ZengMDPI AGJournal of Clinical Medicine2077-03832021-09-011019442910.3390/jcm10194429Parameters Affecting the Retention Force of CAD/CAM Telescopic Crowns: A Focused Review of In Vitro StudiesAbdullah Kamel0Amr Badr1Gehan Fekry2James Tsoi3Department of Prosthetic Dentistry, Faculty of Dentistry, Minia University, Minia 61511, EgyptDepartment of Prosthetic Dentistry, Faculty of Dentistry, Minia University, Minia 61511, EgyptDepartment of Prosthetic Dentistry, Faculty of Dentistry, Minia University, Minia 61511, EgyptDental Materials Science, Discipline of Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, ChinaTelescopic systems constructed using computer aided design and computer aided manufacture (CAD/CAM) can overcome many drawbacks associated with conventionally constructed ones. Since retention is considered the most important function of these retainers, this scoping review aimed to discuss and summarize the parameters that affect this function in CAD/CAM-manufactured telescopic crowns and to compare their retention force values with the recommended retention force. An electronic search was done in Pubmed and Google Scholar databases using different keyword combinations to find the related articles. Seventeen articles that follow the eligibility criteria for this review were selected and analyzed for detection of each of the tested parameters and their effect on retention force. The parameters tested in these articles were divided into parameters related to design, manufacturing, material type, and test condition. Regardless of the effect of these parameters, the retention force values recorded in most of the selected studies laid within or were higher than the recommended retention force (2.5–10 N), which indicated the need to design and set the combination of materials of telescopic systems according to oral biomechanics.https://www.mdpi.com/2077-0383/10/19/4429retention forcedouble crownstelescopic crownsCAD/CAM
spellingShingle Abdullah Kamel
Amr Badr
Gehan Fekry
James Tsoi
Parameters Affecting the Retention Force of CAD/CAM Telescopic Crowns: A Focused Review of In Vitro Studies
Journal of Clinical Medicine
retention force
double crowns
telescopic crowns
CAD/CAM
title Parameters Affecting the Retention Force of CAD/CAM Telescopic Crowns: A Focused Review of In Vitro Studies
title_full Parameters Affecting the Retention Force of CAD/CAM Telescopic Crowns: A Focused Review of In Vitro Studies
title_fullStr Parameters Affecting the Retention Force of CAD/CAM Telescopic Crowns: A Focused Review of In Vitro Studies
title_full_unstemmed Parameters Affecting the Retention Force of CAD/CAM Telescopic Crowns: A Focused Review of In Vitro Studies
title_short Parameters Affecting the Retention Force of CAD/CAM Telescopic Crowns: A Focused Review of In Vitro Studies
title_sort parameters affecting the retention force of cad cam telescopic crowns a focused review of in vitro studies
topic retention force
double crowns
telescopic crowns
CAD/CAM
url https://www.mdpi.com/2077-0383/10/19/4429
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