Influence of Alveolar Bone Height on Stress Distribution of Endodontically Treated Teeth with Post: A 3D Finite Element Analysis
Authors
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Department of Conservative Dentistry and Endodontics, D.A.V. (C) Dental College, Yamuna Nagar, Haryana 135001 ,IN
S. Vijay Singh -
Department of Paedodontics and Preventive Dentistry, D.A.V. (C) Dental College, Yamuna Nagar, Haryana 135001 ,INI. K. Pandit
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Department of Conservative Dentistry and Endodontics, D.A.V. (C) Dental College, Yamuna Nagar, Haryana ,INSaurabh Gupta
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Department of Oral Medicine and Radiology, D.A.V. (C) Dental College and Hospital, Yamuna Nagar, Haryana 135001Aruna Vijay Singh
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Department of Conservative Dentistry and Endodontics, D.A.V. (C) Dental College, Yamuna Nagar, Haryana 135001 ,INHarsha Satija
Keywords:
Alveolar Bone Height, Titanium Post, Von Mises StressesAbstract
Objective: Adequate bone support is an essential factor to avoid undue stress to the tooth. This is especially important, when the tooth is endodontically treated and requires a post. The purpose of the present finite element analysis study was to evaluate the stress distribution in endodontically treated teeth with post with different alveolar bone height.
Method and materials: A 3D model was fabricated using software to represent an endodontically treated mandibular second premolar restored with titanium post and a full ceramic crown restoration and was analyzed using finite element analysis. A load of 300 N at an angle of 60 to the vertical was applied to the triangular ridge of the buccal cusp in a buccolingual plane. The relationship of alveolar bone height at 2 mm and 4 mm was calculated using von Mises stresses.
Results: The finite element analysis showed the maximum stresses of 137.43 Mpa in dentin with alveolar bone height of 4 mm as compared to 105.91 Mpa in the model with alveolar bone height of 2 mm from the CEJ.
Conclusion: Stress was observed more in alveolar bone height level of 4 mm from CEJ than 2 mm alveolar bone height level from CEJ.
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