Osseodensification-induced bone modification in mouse calvaria cultures: dynamic conditions
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INTRODUCTION: Osseodensification is an innovative technique in dentistry to create osteotomies in bone to enhance bone density. Developed by Huwais in 2013, this method has been used to increase the primary stability around dental implants, help in indirect sinus lifts and achieve desired expansion in bone. AIM: The main objective of this study was to examine the effects of osseodensification-induced bone modification in mouse ex vivo cultures under dynamic conditions. MATERIALS AND METHODS: Thirty calvaria were surgically extracted from 7-9 days old mice and divided into groups. Densah burs were utilized to create the defects. Clockwise action of the bur produced conventional osteotomies whereas counter-clockwise action created osseodensification effects. Photomicrographs were taken on days 7,14 and 28. Image J software was used to trace the defects and all data were transferred into Microsoft Excel to generate graphs. Statistical analysis and tests of association were done using SPSS software. RESULTS: Increased defect closure was evident in the “Osseodensification” group compared to the “Conventional Osteotomy” group. Defect closure was highest in the first week. There was no statistical significance between groups in original defect size (P-value: 0.6097). Comparing both groups, defect closure was statistically significant on day 7 (P-value: 0.0313). CONCLUSION: Osseodensification has proven to be superior to conventional osteotomies in terms of healing around bony defects and enhancing the primary stability of dental implants. Dynamic conditions during the initial phase of wound healing could hinder the healing cascade and result in a delay of the normal healing process.
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