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All Journal Dental Journal (Majalah Kedokteran Gigi)
S. Suryono
Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta
Dentistry

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The combination of carbonate hydroxyapatite and human β-defensin 3 to enhance collagen fibre density in periodontitis Sprague Dawley rats Ika Andriani; Edy Meiyanto; S. Suryono; Ika Dewi Ana
Dental Journal (Majalah Kedokteran Gigi) Vol. 53 No. 2 (2020): June 2020
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.v53.i2.p76-80

Abstract

Background: Carbonate hydroxyapatite (CHA) is used as a scaffold to repair bone resorption. Alveolar bone resorption in periodontitis caused by an infection requires the presence of an antibacterial to support bone regeneration. Human β-defensin 3 (HBD3) is an antimicrobial peptide. The local application of the HBD3 antimicrobial is beneficial to inhibiting drug resistance and protecting tissue regeneration against invasive bacteria. Purpose: This study aims to investigate the effect of the administration of a combination of   CHA with HBD3 on the collagen density of periodontitis rats (Sprague Dawley). Methods: This study was a true experimental study with a post-test control group design. Thirty-two Sprague Dawley animal models were randomly blind selected placed under anaesthetic, then a 2-mm silk ligature was attached as a ligation to the mandibular incisors for 14 days in order to generate periodontitis. The study subjects were divided into two groups, the group with CHA and CHA loaded HBD3 (CHA + HBD3) implantation. On days 7, 14, 21 and 28, four rats were taken randomly from each group for decapitation, followed by histological processing and examination with trichome Mallory staining. The data was analysed using the Kruskal Wallis test (p<0.05). Results: An increase in collagen density during the healing process was found. There was a significant difference between CHA and CHA+HBD (p=0.004 and p=0.008; p<0.05) in collagen density between the groups. Conclusion: The combination of CHA and HBD3 can enhance the collagen density in periodontitis Sprague Dawley rats, compared to CHA only groups.
The enhancement of type 1 collagen expression after 10% propolis-carbonated hydroxyapatite application in periodontitis-induced rabbits Indi Kusumawati; S. Suryono; Ahmad Syaify
Dental Journal (Majalah Kedokteran Gigi) Vol. 54 No. 1 (2021): March 2021
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.v54.i1.p16-20

Abstract

Background: Alveolar bone defects caused by periodontitis may require regenerative therapy to restore bone structure. Propolis possesses antibacterial, anti-inflammatory and antioxidant properties, which can stimulate bone regeneration. Propolis-carbonated hydroxyapatite (CHA) material was applied during open flap debridement (OFD) in periodontitis therapy. Purpose: To analyse the effect of the application of 10% propolis-CHA after OFD on type 1 collagen expression on periodontitis-induced rabbits. Methods: Six male rabbits, aged 5–8 months, weight 1500–2000 grams, were ligated with wire and injected with Porphyromonas gingivalis lipopolysaccharide (LPS) for six weeks to induce periodontitis. The samples were divided into three groups: group A (OFD only), group B (OFD+CHA) and group C (OFD+10% propolis-CHA). To acquire 10% propolis-CHA, the CHA block was cut into 10mg and then immersed in 1ml of 10% propolis solution for 24 hours at room temperature. Decapitation was performed on the seventh and 14th day after OFD was performed on each group and microscopic slides were prepared for type 1 collagen examination. The data was analysed using a two-way ANOVA with a 95% confidence interval followed by a post hoc LSD test. Results: The type 1 collagen expression in group C (61.36±1.88 on day seven and 70.25±3.89 on day 14) was significantly different from group A (42.91±1.78 on day seven and 45.18±2.48 on day 14) and group B (43.91±5.31 on day seven and 59.63±3.27 on day 14) on both the seventh day and the 14th day (p=0.000). Conclusion: The administration of 10% propolis-CHA during OFD can increase the type 1 collagen expression in the alveolar bone of rabbits on the seventh and 14th day.
Co-Authors Ahmad Syaify Edy Meiyanto Ika Andriani, Ika Ika Dewi Ana Indi Kusumawati