3D Method for Occlusal Tooth Wear Assessment in Presence of Substantial Changes on Other Tooth Surfaces

Gkantidis, Nikolaos; Dritsas, Konstantinos; Katsaros, Christos; Halazonetis, Demetrios; Ren, Yijin

doi:10.3390/jcm9123937

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3D Method for Occlusal Tooth Wear Assessment in Presence of Substantial Changes on Other Tooth Surfaces

Nikolaos Gkantidis

^1,2,*

Konstantinos Dritsas

Christos Katsaros

¹,

Demetrios Halazonetis

³ and

Yijin Ren

Department of Orthodontics and Dentofacial Orthopedics, School of Dental Medicine, University of Bern, CH-3010 Bern, Switzerland

Department of Orthodontics, W.J. Kolff Institute, University Medical Center Groningen, University of Groningen, 9700RB Groningen, The Netherlands

Department of Orthodontics, School of Dentistry, National and Kapodistrian University of Athens, GR-11527 Athens, Greece

Author to whom correspondence should be addressed.

J. Clin. Med. 2020, 9(12), 3937; https://doi.org/10.3390/jcm9123937

Received: 4 November 2020 / Revised: 28 November 2020 / Accepted: 1 December 2020 / Published: 4 December 2020

(This article belongs to the Collection New Approaches and Technologies in Orthodontics)

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Abstract

Early diagnosis and timely management of tooth or dental material wear is imperative to avoid extensive restorations. Previous studies suggested different methods for tooth wear assessment, but no study has developed a three-dimensional (3D) superimposition technique applicable in cases where tooth surfaces, other than the occlusal, undergo extensive morphological changes. Here, we manually grinded plaster incisors and canines to simulate occlusal tooth wear of varying severity in teeth that received a wire retainer bonded on their lingual surfaces, during the assessment period. The corresponding dental casts were scanned using a surface scanner. The modified tooth crowns were best-fit approximated to the original crowns using seven 3D superimposition techniques (two reference areas with varying settings) and the gold standard technique (GS: intact adjacent teeth and alveolar processes as superimposition reference), which provided the true value. Only a specific technique (complete crown with 20% estimated overlap of meshes), which is applicable in actual clinical data, showed perfect agreement with the GS technique in all cases (median difference: −0.002, max absolute difference: 0.178 mm³). The outcomes of the suggested and the GS technique were highly reproducible (max difference < 0.040 mm³). The presented technique offers low cost, convenient, accurate, and risk-free tooth wear assessment. View Full-Text

Keywords: tooth wear; measurement method; quantitative assessment; three-dimensional imaging; surface model; three-dimensional superimposition; orthodontic retention; fixed retainers

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MDPI and ACS Style

Gkantidis, N.; Dritsas, K.; Katsaros, C.; Halazonetis, D.; Ren, Y. 3D Method for Occlusal Tooth Wear Assessment in Presence of Substantial Changes on Other Tooth Surfaces. J. Clin. Med. 2020, 9, 3937. https://doi.org/10.3390/jcm9123937

AMA Style

Gkantidis N, Dritsas K, Katsaros C, Halazonetis D, Ren Y. 3D Method for Occlusal Tooth Wear Assessment in Presence of Substantial Changes on Other Tooth Surfaces. Journal of Clinical Medicine. 2020; 9(12):3937. https://doi.org/10.3390/jcm9123937

Chicago/Turabian Style

Gkantidis, Nikolaos, Konstantinos Dritsas, Christos Katsaros, Demetrios Halazonetis, and Yijin Ren. 2020. "3D Method for Occlusal Tooth Wear Assessment in Presence of Substantial Changes on Other Tooth Surfaces" Journal of Clinical Medicine 9, no. 12: 3937. https://doi.org/10.3390/jcm9123937

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3D Method for Occlusal Tooth Wear Assessment in Presence of Substantial Changes on Other Tooth Surfaces

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