Validity assessment of a single tooth model in clenching and chewing simulations

Yeokyeong Lee , Minji Kim , Ji-Man Park , Hee Sun Kim

Abstract

Single tooth finite element model is widely used to investigate tooth behaviors with reducing modeling process and computational time. This study aims to examine the validity of a single tooth model in clenching and chewing actions. The single tooth model consisting of tooth #16, the periodontal ligament (PDL), and bone was subjected to coronal-apical movements. The predicted strains from the analyses were validated with the in-vitro experimental results on tooth-PDL-bone specimen. The stress distributions of tooth root and PDL were compared to those from the full skull model to evaluate reasonability of the single tooth model. The results of this study indicate that the single tooth model is able to predict valid structural and mechanical behaviors in clenching and chewing activities.

Key Words

single tooth; validity; clenching; chewing; finite element analysis

Address

Yeokyeong Lee — Department of Mechanical and Biomedical Engineering, Ewha Womans University,52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea/ Department of Architectural and Urban Systems Engineering, Ewha Womans University,52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
Minji Kim — Department of Orthodontics, College of Medicine, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
Ji-Man Park — Department of Prosthodontics, Yonsei University College of Dentistry,50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
Hee Sun Kim — Department of Architectural and Urban Systems Engineering, Ewha Womans University,52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea

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