Numerical analysis of mandibular bone remodelling after dental implant positioning

Objective: The implantation of an external device inside the human body could be associated to a group of several modifications. Different parameters are related to the type and entity of those changes. Material biocompatibility, biomechanical features of the host, wear and tear of the used material and host reactivity are some of those conditions. Dental implant osteo integration and clinical success are influenced by the combination of two different structures like “bone” and “titanium”. Bone is characterized by a complex structure in a dynamic status of uninterrupted remodelling; titanium of dental implant is chemically stressed by the surrounded bone and mechanically stressed by the masticatory load.

Methods: Considering the integration of those two components like an engineering system, it is impossible to obtain the unlimited integration based on time. This happens because dental implant, when positioned, cannot follow the bone changing and remodelling. The research in this field was performed in order to reduce the masticatory load on the dental implants and at the same time several investigations about the dental implant surface have been made.

Results: Aim of this study is to underline the possible modification on the bone surface after dental implant positioning by a FEM and Von Mises analyses. The difference between the stress and load distribution on cemented retained and screw retained prosthesis has been analyzed.

Conclusions: The results of this investigation could help the surgeons in the planning of the dental implant-prosthetic rehabilitation in order to favourite a long term clinical success.

Conflict of interest: None declared.

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Feb 5, 2018 | Posted by in Oral and Maxillofacial Surgery | Comments Off on Numerical analysis of mandibular bone remodelling after dental implant positioning

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