Design of customized coated dental implants using finite element analysis. 2023

Vamsi Krishna Dommeti, and Sumit Pramanik, and Sandipan Roy
Department of Mechanical Engineering, SRM Institute of Science and Technology, Chennai, India.

Dental implants are used as a traditional technique to replace missing teeth. In the longterm evaluation of dental implants, the stability and durability of the implant-bone interface are crucial. Furthermore, the success of dental implants depends on several factors, such as osseointegration, implant geometry and surface topography. The aim of the study was to investigate the effects of coating materials on dental implants by altering several parameters, including the material used, the coating thickness, and different combinations of the cortical and cancellous bones. The coating materials used were hydroxyapatite (HAP), monticellite (MTC) and titanium nitride (TiN). The coating thickness was varied as 50 μm, 100 μm, 150 μm, and 200 μm. Five different bone combinations were used for the proposed finite element model. An axial compressive load of 150 N was applied. The FEA showed that the HAP coating material had a significant effect on minimizing the induced stress concentration for all 5 bone combinations. However, the MTC coating material had a significant effect only on 2 bone combinations (combination 2 and combination 3). Meanwhile, the TiN coating material induced higher stress values. Based on finite element analysis (FEA), it was observed that the coating thickness greatly influenced the concentration of the mechanical stress. Indeed, when the coating thickness was relatively high, the stress concentration value significantly decreased.

UI MeSH Term Description Entries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015921 Dental Implants Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a crown, bridge, or artificial tooth, or to stabilize a diseased tooth. Dental Implants, Mini,Dental Prosthesis, Surgical,Implants, Dental,Dental Implant,Dental Prostheses, Surgical,Implant, Dental,Prostheses, Surgical Dental,Prosthesis, Surgical Dental,Surgical Dental Prostheses,Surgical Dental Prosthesis,Dental Implant, Mini,Mini Dental Implant,Mini Dental Implants
D016348 Osseointegration The growth action of bone tissue as it assimilates surgically implanted devices or prostheses to be used as either replacement parts (e.g., hip) or as anchors (e.g., endosseous dental implants). Peri-implant Endosseous Healing,Endosseous Healing, Peri-implant,Endosseous Healings, Peri-implant,Healing, Peri-implant Endosseous,Healings, Peri-implant Endosseous,Peri implant Endosseous Healing,Peri-implant Endosseous Healings
D017886 Durapatite The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis. Calcium Hydroxyapatite,Hydroxyapatite,Hydroxylapatite,Alveograf,Calcitite,Interpore-200,Interpore-500,Osprovit,Ossein-Hydroxyapatite Compound,Ossopan,Osteogen,Periograf,Hydroxyapatite, Calcium,Interpore 200,Interpore 500,Interpore200,Interpore500,Ossein Hydroxyapatite Compound
D020342 Finite Element Analysis A computer based method of simulating or analyzing the behavior of structures or components. Analysis, Finite Element,Analyses, Finite Element,Element Analyses, Finite,Element Analysis, Finite,Finite Element Analyses

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