The Open Dentistry Journal

ISSN: ― Volume ,

Variable Torque Prescription: State of Art.

Mariano Lacarbonara 1, *, Ettore Accivile 1, Maria R. Abed 2, Maria Teresa Dinoi1, Annalisa Monaco 1, Giuseppe Marzo 1, Mario Capogreco 1
1 Department of Life, Health and Environmental Sciences, Dental Clinic, University of L'Aquila, Via Vetoio 67100, L'Aquila, Italy
2 Department of Odontostomatological Sciences, Dental Clinic, University “Sapienza” of Rome, Via Caserta 6, 00100, Rome, Italy


The variable prescription is widely described under the clinical aspect: the clinics is the result of the evolution of the state-of-the-art, aspect that is less considered in the daily literature. The state-of-the-art is the key to understand not only how we reach where we are but also to learn how to manage propely the torque, focusing on the technical and biomechanical purpos-es that led to the change of the torque values over time. The aim of this study is to update the clinicians on the aspects that affect the torque under the biomechanical sight, helping them to understand how to managing it, following the “timeline changes” in the different techniques so that the Variable Prescription Orthodontic (VPO) would be a suitable tool in every clinical case.

Keywords: Active-passive, low friction, self-ligating brackets (SLB), torque expression, variable prescription orthodontic (VPO). .

Article Information

Identifiers and Pagination:

Year: 2015
Volume: 9
First Page: 60
Last Page: 64
Publisher Id: TODENTJ-9-60
DOI: 10.2174/1874210601509010060

Article History:

Received Date: 12/11/2014
Revision Received Date: 13/12/2014
Acceptance Date: 27/12/2014
Electronic publication date: 30 /1/2015
Collection year: 2015

© Lacarbonara 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 ( 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 Life, Health and Environmental Sciences, Dental Clinic, University of L'Aquila, Via Vetoio 67100, L'Aquila, Italy; Tel: +39 0862 434973; E-mail:

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