The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019

Experimental Study on Strength Evaluation Applied for Teeth Extraction: An In Vivo Study



Marco Cicciù 1, *, Ennio Bramanti 2, Fabrizio Signorino 2, Alessandra Cicciù 2, Francesco Sortino 3
1 Oral Surgery Medical Practitioner, Department of Human pathology, School of Dentistry, University of Messina School of Dentistry, ME, IT, USA
2 Resident Odontostomoatology Department, University of Messina, University of Messina School of Dentistry, ME, IT, USA
3 Surgical – Medical Specialties Department, University of Catania Dental School, CT, IT, USA

Abstract

Purpose:

The aim of this work was to analyse all the applied movements when extracting healthy upper and lower jaw premolars for orthodontic purposes. The authors wanted to demonstrate that the different bone densities of the mandible and maxilla are not a significant parameter when related to the extraction force applied. The buccal and palatal rocking movements, plus the twisting movements were also measured in this in-vivo study during premolar extraction for orthodontic purposes.

Methods:

The physical strains or forces transferred onto the teeth during extraction are the following three movements: gripping, twisting, and traction. A strain measurement gauge was attached onto an ordinary dentistry plier. The strain measurement gauge was constituted with an extensimetric washer with three 45º grids. The system operation was correlated to the variation of electrical resistance.

Results:

The variations of resistance (∆R) and all the different forces applied to the teeth (∆V) were recorded by a computerized system. Data results were processed through Microsoft Excel. The results underlined the stress distribution on the extracted teeth during gripping, twisting and flexion.

Conclusions:

The obtained data showed that the strength required to effect teeth extraction is not influenced by the quality of the bone but is instead influenced by the shape of the tooth’s root.

Keywords: Twisting, Rocking, Gripping Movements, Tooth extraction, Strength, Dental Anatomy.


Article Information


Identifiers and Pagination:

Year: 2013
Volume: 7
First Page: 20
Last Page: 26
Publisher Id: TODENTJ-7-20
DOI: 10.2174/1874210601307010020

Article History:

Received Date: 19/12/2012
Revision Received Date: 17/1/2013
Acceptance Date: 30/1/2013
Electronic publication date: 08/03/2013
Collection year: 2013

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© Cicciù et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.


* Address correspondence to this author at the Department of Oral Surgery, Dental School, Messina University Via Consolare Valeria 98100, Messina, Italy; Tel: 0039-090 221 6920; Fax: 0039-090 2216921; E-mail: acromarco@yahoo.it


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Iran


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