Volume 26, Issue 2 pp. 120-128

An evaluation of the Periotest® method as a tool for monitoring tooth mobility in dental traumatology

Christine Berthold

Christine Berthold

Dental Clinic 1 – Operative Dentistry and Periodontology

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Stefan Holst

Stefan Holst

Dental Clinic 2 – Prosthodontics, Friedrich-Alexander-University, Erlangen, Germany

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Johannes Schmitt

Johannes Schmitt

Dental Clinic 2 – Prosthodontics, Friedrich-Alexander-University, Erlangen, Germany

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Matthias Goellner

Matthias Goellner

Dental Clinic 2 – Prosthodontics, Friedrich-Alexander-University, Erlangen, Germany

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Anselm Petschelt

Anselm Petschelt

Dental Clinic 1 – Operative Dentistry and Periodontology

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First published: 12 March 2010
Citations: 31
Dr. Christine Berthold, Dental Clinic 1 – Operative Dentistry and Periodontology, Friedrich-Alexander-University Erlangen-Nuremberg, Glueckstr.11, 91054 Erlangen, Germany
Tel.: +49-9131-85 34638
Fax: +49-9131-85 33603
e-mail: [email protected]; [email protected]

Abstract

Abstract – Background/aim: The Periotest® method is a technique for the objective assessment of tooth mobility. The aims of this study were to determine normal Periotest® values in the vertical and horizontal dimensions of periodontally healthy teeth in individuals aged 20–35 years and investigate the reliability of Periotest® in terms of intra-series and inter-series reproducibility before and after applying a dental trauma splint in vivo.

Materials and methods: Periotest® values were measured in periodontally healthy dental students (n = 33; mean age 24.7 years) at reproducible measuring points in the vertical and horizontal dimensions, before and after splint insertion. Three readings were taken per series to observe the intra-series reproducibility; three series were measured to test inter-series reproducibility (Friedman-test; P ≤ 0.001). Two different wire-composite splints, 0.45 mm Dentaflex and 0.8 × 1.8 Strengtheners, were inserted and the Periotest® values were measured.

Results: The median Periotest® values before splinting were: canines -2.5, lateral incisors -0.9, and central incisors 0.0 for the vertical dimension, and canines 1.1, lateral incisors 3.2, and central incisors 3.6 for the horizontal dimension. The intra-series and inter-series Periotest® values were highly reproducible.

Conclusion: The Periotest® method provides highly reproducible results. Focused on dental trauma, the method can be applied diagnostically during the splint and follow-up period and for evaluating splint rigidity.

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