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All Journal Dental Journal (Majalah Kedokteran Gigi)
Basri A. Gani
Department of Oral Biology, Faculty of Dentistry, Universitas Syiah Kuala
Dentistry

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The ability of IgY to recognize surface proteins of Streptococcus mutans Basri A. Gani; Santi Chismirina; Zinatul Hayati; Endang Winiati B; Boy M. Bachtiar; I. Wayan T. Wibawan
Dental Journal (Majalah Kedokteran Gigi) Vol. 42 No. 4 (2009): December 2009
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (322.77 KB) | DOI: 10.20473/j.djmkg.v42.i4.p189-193

Abstract

Background: Streptococcus mutans are gram positive bacteria classified into viridians group, and have a role in pathogenesis of dental caries. It’s adhesion to the tooth surface is mediated by cell surface proteins, which interact with specific receptor located in tooth pellicle. Glucan binding protein, Glukosyltransferase, and antigen I/II are basic proteins of S. mutans, which have a role in initiating the interaction. A previous study showed that chicken’s IgY can interfere the interaction. Purpose: The objective of this study was to assess the ability of IgY in recognizing the surface molecule of Streptococcus mutans expressed by various serotypes (c, d, e, f) and a strain derived from IPB, Bogor. Method: Western blot was used as a method to determine such capability. Result: The result showed that IgY has a potency to recognize antigen I/II, but not the other proteins on the cell surface of all bacteria tested. Conclusion: The ability of IgY to bind the surface protein, antigen I/II, indicates that this avian antibody could be used as a candidate for anti-adhesion in preventing dental caries.
Potential of Jatropha multifida sap against traumatic ulcer Basri A. Gani; Abdillah Imron Nasution; Nazaruddin Nazaruddin; Lidya Sartika; Rahmat Kurniawan Alam
Dental Journal (Majalah Kedokteran Gigi) Vol. 48 No. 3 (2015): September 2015
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (620.932 KB) | DOI: 10.20473/j.djmkg.v48.i3.p119-125

Abstract

Background: Traumatic ulcer is a lesion in oral mucosa as a result of physical and mechanical trauma, as well as changes in salivary pH. Jatropha multifida sap can act as antimicrobial, anti-inflammatory and re-epithelialization, and can also trigger the healing process of ulcers. Purpose: Research was aimed to determine the potential of Jatropha multifida sap against traumatic ulcer base on clinical and histopathological healing process. Method: This research was conducted laboratory experimental model, with rats (Rattus norvegicus) as the subject as well as Jatropha multifida sap for ulcer healing. Those subjects were divided into four groups: two treatment groups administrated with pellet and Jatropha multifida sap, one group as the positive control group administrated with 0.1% triamcinolone acetonide, and one group as the negative control group administrated with 0.9% NaCl. Ulcer manipulation was used 30% H2O2, and evaluation of ulcer healing was used clinical and histopathological approach. Result: Clinically, the healing process of ulcers in the treatment group with Jatropha multifida sap was faster than that in the positive control group with 0.1% triamcinolone acetonide, indicated with the reduction of the ulcer size until the missing of the ulcers started from the third day to the seventh one (p≤0.05). Histopathologically inflammatory cells (lymphocytes, and plasma cells) declined started from the third day, and the formation of collagen and re-epithelialization then occurred. On the seventh day, the epithelial cells thickened, and the inflammatory cells infiltrated. Statistically, those groups were significant (p≤0.05). Conclusion: Jatropha multifida sap has a significant potential to cure traumatic ulcers on oral mucosa clinically and histopathologically.
Co-Authors Abdillah Imron Nasution Boy M Bachtiar Endang Winiati B I. Wayan T. Wibawan Lidya Sartika Nazaruddin Nazaruddin Rahmat Kurniawan Alam Santi Chismirina Zinatul Hayati