Evaluation of marginal bone loss in implant supported over-dentures

An original research

https://doi.org/10.53730/ijhs.v6nS8.12705

Authors

  • Haripal Singh BDS, MDS, Consultant Prosthodontist and Implatologist, Clinic Head, Tishlar Superspeciality Dental Clinic, New Delhi, India
  • Karthika Janardhan PhD research Scholar, Dept of Periodontics, Narsinhbhai Patel Dental College and Hospital, Sankalchand Patel University, Visnagar, Gujarat
  • G. Jeevan Kumar Consultant Oral and Maxillofacial Surgeon, Tirupati, Andhra Pradesh
  • Mohammed Ibrahim Assistant Professor, Department of Oral and Maxillofacial Surgery, College of dentistry, King Khalid University, Abha, Kingdom of Saudi Arabia
  • Damarasingu Rajesh OMFS, PhD Scholar, Dept of OMFS, Narsinhbhai Patel Dental College and Hospital, Sankalchand Patel University, Visnagar, Gujarat
  • Atul Aggarwal MDS, Oral-Maxillofacial Surgeon and Implantologist, Senior lecturer, Surendra dental college & research institute, Sri Ganganagar, Rajasthan

Keywords:

dental implants, overdenture, biomechanics, finite element analysis

Abstract

Aim: The purpose of the present research was to assess the marginal bone loss due to stresses encountered in implant supported over-dentures. Methodology: Tridimensional models were built from the images of a computerized tomography of a mandible and 3D laser digitalization of implants, abutments, mucosa, and complete denture. The geometric models of implants and abutments were mounted at the canine region to build reference model 1 - absence of bone resorption. To build the test models the mandible geometric solid was modified to simulate 2-mm vertical bone loss surrounding the implants (model 2) and resorption of the distal ridge (model 3). Finite elements models were generated, and a 100 N static load was applied at the first molar region of each model to compare the von Mises stress distributions in selected points. Results: Von Mises stresses increased on the bone surrounding implants and on the prosthetic components in the model with 2-mm vertical bone loss. The combination of 2-mm vertical bone loss and resorption of the distal ridge did not increase the stresses compared with the model with only bone loss surrounding implants. 

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Published

13-09-2022

How to Cite

Singh, H., Janardhan, K., Kumar, G. J., Ibrahim, M., Rajesh, D., & Aggarwal, A. (2022). Evaluation of marginal bone loss in implant supported over-dentures: An original research. International Journal of Health Sciences, 6(S8), 2853–2859. https://doi.org/10.53730/ijhs.v6nS8.12705

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