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Influence of thermoplastic appliance thickness on the magnitude of force delivered to a maxillary central incisor during tipping

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Influence of thermoplastic appliance thickness on the magnitude of force delivered to a maxillary central incisor during tipping. / Hahn, Wolfram; Dathe, Henning; Fialka-Fricke, Julia; Fricke-Zech, Susanne; Zapf, Antonia; Kubein-Meesenburg, Dietmar; Sadat-Khonsari, Reza.

in: AM J ORTHOD DENTOFAC, Jahrgang 136, Nr. 1, 07.2009, S. 12.e1-7; discussion 12-3.

Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung

Harvard

Hahn, W, Dathe, H, Fialka-Fricke, J, Fricke-Zech, S, Zapf, A, Kubein-Meesenburg, D & Sadat-Khonsari, R 2009, 'Influence of thermoplastic appliance thickness on the magnitude of force delivered to a maxillary central incisor during tipping', AM J ORTHOD DENTOFAC, Jg. 136, Nr. 1, S. 12.e1-7; discussion 12-3. https://doi.org/10.1016/j.ajodo.2008.12.015

APA

Hahn, W., Dathe, H., Fialka-Fricke, J., Fricke-Zech, S., Zapf, A., Kubein-Meesenburg, D., & Sadat-Khonsari, R. (2009). Influence of thermoplastic appliance thickness on the magnitude of force delivered to a maxillary central incisor during tipping. AM J ORTHOD DENTOFAC, 136(1), 12.e1-7; discussion 12-3. https://doi.org/10.1016/j.ajodo.2008.12.015

Vancouver

Hahn W, Dathe H, Fialka-Fricke J, Fricke-Zech S, Zapf A, Kubein-Meesenburg D et al. Influence of thermoplastic appliance thickness on the magnitude of force delivered to a maxillary central incisor during tipping. AM J ORTHOD DENTOFAC. 2009 Jul;136(1):12.e1-7; discussion 12-3. https://doi.org/10.1016/j.ajodo.2008.12.015

Bibtex

@article{f51ce29b4f2442aa8df654e69456bbb3,
title = "Influence of thermoplastic appliance thickness on the magnitude of force delivered to a maxillary central incisor during tipping",
abstract = "INTRODUCTION: The aim of the study was to quantify the forces delivered by thermoplastic appliances made of 2 materials with 2 thicknesses to a maxillary central incisor during tipping.METHODS: Two materials were tested, each in 2 thicknesses: Erkodur (Erkodent Erich Kopp GmbH, Pfalzgrafenweiler, Germany) 1.0 and 0.8 mm, and Biolon (Dreve Dentamid GmbH, Unna, Germany), 1.0 and 0.75 mm. For each material, 5 appliances were produced. To measure the forces applied, an isolated measuring tooth, part of a standardized resin model, was deflected in 0.05 degrees steps from 0 degrees to 0.42 degrees in the vestibular and palatine directions, after placing the respective appliance on the model. For statistical analysis, the force components Fx/tipping and Fz/intrusion at a displacement of +/- 0.151 mm from the incisor edge were selected. Means and standard deviations were calculated. The Wilcoxon 2-sample test for group pairings was used.RESULTS: The norms for the mean Fx forces ranged from 1.62 (SD, 0.41) to 5.35 N (SD, 0.63). The mean Fz forces were between 0.07 (SD, 0.13) and -2.47 N (SD, 0.34). The highest intrusive forces were measured during vestibular displacement of the measuring tooth. The forces delivered by the thick appliances were overall significantly higher (P <0.0001) than those of the thin materials. The forces delivered by the Biolon appliances were generally significantly higher (P <0.0001) than those for the Erkodur materials.CONCLUSIONS: The forces applied were mostly too high when compared with those stated in the literature as ideal. In addition to thickness, the thermoforming process influences the magnitude of the force delivered by a thermoformed appliance.",
keywords = "Dental Materials, Humans, Incisor, Materials Testing, Maxilla, Movement, Orthodontic Appliance Design, Plastics, Polyethylenes, Polyvinyls, Stress, Mechanical, Surface Properties, Temperature, Tooth Movement Techniques, Torque, Comparative Study, Journal Article",
author = "Wolfram Hahn and Henning Dathe and Julia Fialka-Fricke and Susanne Fricke-Zech and Antonia Zapf and Dietmar Kubein-Meesenburg and Reza Sadat-Khonsari",
year = "2009",
month = jul,
doi = "10.1016/j.ajodo.2008.12.015",
language = "English",
volume = "136",
pages = "12.e1--7; discussion 12--3",
number = "1",

}

RIS

TY - JOUR

T1 - Influence of thermoplastic appliance thickness on the magnitude of force delivered to a maxillary central incisor during tipping

AU - Hahn, Wolfram

AU - Dathe, Henning

AU - Fialka-Fricke, Julia

AU - Fricke-Zech, Susanne

AU - Zapf, Antonia

AU - Kubein-Meesenburg, Dietmar

AU - Sadat-Khonsari, Reza

PY - 2009/7

Y1 - 2009/7

N2 - INTRODUCTION: The aim of the study was to quantify the forces delivered by thermoplastic appliances made of 2 materials with 2 thicknesses to a maxillary central incisor during tipping.METHODS: Two materials were tested, each in 2 thicknesses: Erkodur (Erkodent Erich Kopp GmbH, Pfalzgrafenweiler, Germany) 1.0 and 0.8 mm, and Biolon (Dreve Dentamid GmbH, Unna, Germany), 1.0 and 0.75 mm. For each material, 5 appliances were produced. To measure the forces applied, an isolated measuring tooth, part of a standardized resin model, was deflected in 0.05 degrees steps from 0 degrees to 0.42 degrees in the vestibular and palatine directions, after placing the respective appliance on the model. For statistical analysis, the force components Fx/tipping and Fz/intrusion at a displacement of +/- 0.151 mm from the incisor edge were selected. Means and standard deviations were calculated. The Wilcoxon 2-sample test for group pairings was used.RESULTS: The norms for the mean Fx forces ranged from 1.62 (SD, 0.41) to 5.35 N (SD, 0.63). The mean Fz forces were between 0.07 (SD, 0.13) and -2.47 N (SD, 0.34). The highest intrusive forces were measured during vestibular displacement of the measuring tooth. The forces delivered by the thick appliances were overall significantly higher (P <0.0001) than those of the thin materials. The forces delivered by the Biolon appliances were generally significantly higher (P <0.0001) than those for the Erkodur materials.CONCLUSIONS: The forces applied were mostly too high when compared with those stated in the literature as ideal. In addition to thickness, the thermoforming process influences the magnitude of the force delivered by a thermoformed appliance.

AB - INTRODUCTION: The aim of the study was to quantify the forces delivered by thermoplastic appliances made of 2 materials with 2 thicknesses to a maxillary central incisor during tipping.METHODS: Two materials were tested, each in 2 thicknesses: Erkodur (Erkodent Erich Kopp GmbH, Pfalzgrafenweiler, Germany) 1.0 and 0.8 mm, and Biolon (Dreve Dentamid GmbH, Unna, Germany), 1.0 and 0.75 mm. For each material, 5 appliances were produced. To measure the forces applied, an isolated measuring tooth, part of a standardized resin model, was deflected in 0.05 degrees steps from 0 degrees to 0.42 degrees in the vestibular and palatine directions, after placing the respective appliance on the model. For statistical analysis, the force components Fx/tipping and Fz/intrusion at a displacement of +/- 0.151 mm from the incisor edge were selected. Means and standard deviations were calculated. The Wilcoxon 2-sample test for group pairings was used.RESULTS: The norms for the mean Fx forces ranged from 1.62 (SD, 0.41) to 5.35 N (SD, 0.63). The mean Fz forces were between 0.07 (SD, 0.13) and -2.47 N (SD, 0.34). The highest intrusive forces were measured during vestibular displacement of the measuring tooth. The forces delivered by the thick appliances were overall significantly higher (P <0.0001) than those of the thin materials. The forces delivered by the Biolon appliances were generally significantly higher (P <0.0001) than those for the Erkodur materials.CONCLUSIONS: The forces applied were mostly too high when compared with those stated in the literature as ideal. In addition to thickness, the thermoforming process influences the magnitude of the force delivered by a thermoformed appliance.

KW - Dental Materials

KW - Humans

KW - Incisor

KW - Materials Testing

KW - Maxilla

KW - Movement

KW - Orthodontic Appliance Design

KW - Plastics

KW - Polyethylenes

KW - Polyvinyls

KW - Stress, Mechanical

KW - Surface Properties

KW - Temperature

KW - Tooth Movement Techniques

KW - Torque

KW - Comparative Study

KW - Journal Article

U2 - 10.1016/j.ajodo.2008.12.015

DO - 10.1016/j.ajodo.2008.12.015

M3 - SCORING: Journal article

C2 - 19577136

VL - 136

SP - 12.e1-7; discussion 12-3

IS - 1

ER -