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All Journal Dental Journal (Majalah Kedokteran Gigi)
Amir, Muhammad Subhan
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Dentistry

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Degradation rate and weight loss analysis for freeze-dried, decellularized, and deproteinized bovine bone scaffolds Vidarta, Ramadhan Pramudya; Kamadjaja, David Buntoro; Danudiningrat, Coen Pramono; Amir, Muhammad Subhan; Rizqiawan, Andra; Yuliati , Anita; Darwis, Darmawan
Dental Journal (Majalah Kedokteran Gigi) Vol. 58 No. 1 (2025): March
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/j.djmkg.v58.i1.p23-29

Abstract

Background: Mandibular defects, often caused by trauma, tumors, infections, and congenital issues, are commonly treated with bone grafts. Tissue engineering plays a crucial role in bone reconstruction, with scaffolds such as deproteinized bovine bone matrix (DBBM), freeze-dried bovine bone (FDBB), and decellularized FDBB (Dc-FDBB) being studied for their efficacy. Decellularization reduces the antigenic potential of FDBB. These scaffolds are designed to degrade within the body. Purpose: To analyze the weight loss and degradation rates of FDBB and Dc-FDBB materials, using DBBM as a control. Methods: This in vitro experimental study, conducted over 2 months, employed a cross-sectional approach to analyze the weight loss and degradation rates of FDBB, Dc-FDBB, and DBBM scaffolds in a simulated body fluid (SBF) solution. Results: Under dynamic immersion conditions, DBBM exhibited the highest daily weight loss at 0.741% and a degradation rate of 0.466 mg/cm²/day, followed by Dc-FDBB at 0.568% and 0.418 mg/cm²/day and FDBB at 0.525% and 0.385 mg/cm²/day. Under static immersion conditions, DBBM also showed the highest weight loss at 0.255%, with a degradation rate of 0.165 mg/cm²/day, followed by Dc-FDBB at 0.245% and 0.163 mg/cm²/day, and FDBB at 0.168% with a degradation rate of 0.126 mg/cm²/day. Significant differences were observed between scaffold groups (p = 0.000). Conclusion: DBBM, Dc-FDBB, and FDBB scaffolds meet the optimal requirements for tissue engineering materials based on their weight loss and degradation rates. DBBM demonstrated the highest values among the scaffolds analyzed.
Immuno-expression analysis of VEGF and CD34 related to histological types of mandibular ameloblastoma Pradana, Septian; Kamadjaja, David Buntoro; Danoediningrat, Coen Pramono; Sumarta, Ni Putu Mira; Amir, Muhammad Subhan; Rahayu, Retno Pudji; Bhagat, James Antony
Dental Journal (Majalah Kedokteran Gigi) Vol. 58 No. 2 (2025): June
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/j.djmkg.v58.i2.p144-150

Abstract

Background: Increased expression of vascular endothelial growth factor (VEGF) and cluster of difference 34 (CD34) in ameloblastoma has been noted. Both proteins are markers of angiogenesis that play a role in supporting the growth of ameloblastoma. The existence of histopathological types of ameloblastoma allows for differences in behavioral and growth characteristics. Purpose: To evaluate the differences and correlation of VEGF and CD34 expression in histological types of ameloblastoma. Methods: This laboratory cross-sectional study uses total sampling from histological slides of mandibular ameloblastoma. Two observers manually quantified the immunohistochemical expression. The comparative data were analyzed statistically with the Kruskal–Wallis test (p < 0.05), while the correlative data were analyzed with Spearman’s rho (p<0.01). Results: 32 samples were obtained according to the inclusion criteria. The Kruskal–Wallis test showed significant differences in VEGF expression (p = 0.003) and CD34 expression (p = 0.026). The pairwise comparison test showed that VEGF expression in follicular ameloblastoma significantly differed from plexiform (p = 0.001) and combination (p = 0.002). The pairwise comparison test for CD34 expression showed a significant difference between follicular and combination ameloblastoma (p = 0.007). Spearman’s rho test showed a positive correlation (p = 0.001, r = 0.565) between markers. Conclusion: Follicular ameloblastoma expressed higher VEGF than plexiform and combination ameloblastoma. Follicular ameloblastoma expressed higher CD34 than combination types. CD34 expression is associated with VEGF in histological types of ameloblastoma.
Co-Authors Andra Rizqiawan Bhagat, James Antony Danoediningrat, Coen Pramono Darmawan Darwis David B. Kamadjaja Ni Putu Mira Sumarta Retno Pudji Rahayu RM Coen Pramono D Septian Pradana, Septian Vidarta, Ramadhan Pramudya Yuliati , Anita