Evaluation of biocompatibility of Commercial Pure Titanium / Bioactive Glass Ceramic Functionally Graded Material as Dental Implant Material In-Vivo study
DOI:
https://doi.org/10.32828/mdj.v16i1.1029Keywords:
Functionally graded material FGM, commercial pure titanium CPTi and Bioglass 45S5Abstract
Background: the ultimate goal of modern implantology is fine and fast osseointegration which is a major factor influencing the success of dental implantation, and the optimum circumstances of it the biointegration which is the occurrence of continuity of ceramic implant to bone without intervening space.
Material and method: Two groups of cylindrical implant specimens were prepared from functionally graded material and commercial pure titanium. Each group composed of 40 implant specimens. The femur of 20 white male New Zealand rabbits, were chosen as implantation sites. Push out test was performed to measure bone bonding strength between implant specimen and bone after 2 and 4 weeks healing periods (10 rabbits for each periods). For each time interval 20 implant specimens for each group, which implanted in rabbits. Histological study for evaluation of tissue response and histomorphometric analysis was performed for measurement of new bone area at two time intervals.
Result: the results of push out force and new bone formation area appeared that mean values of functionally graded material implant specimens were a statistically highly significant more than that of commercial pure titanium implant specimens after 2 weeks and 4 weeks of implantation. In histological examination, there was an active osteoid tissue around functionally graded material implants and hematopoietic tissues around commercial pure titanium implants after 2 weeks, and there was an osteoid maturation with observation of reversal lines around functionally graded material implants and new bone formation with osteocyte around commercial pure titanium implants after 4 weeks of implantation.
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This work is licensed under a Creative Commons Attribution 4.0 International License.
