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变形链球菌和白色念珠菌对不同托槽材料的黏附情况。

Adherence of Streptococcus mutans and Candida albicans to different bracket materials.

作者信息

Rammohan Shrinivaasan Nambi, Juvvadi Shubhaker Rao, Gandikota Chandra Sekhar, Challa Padmalatha, Manne Ranjit, Mathur Anirudh

机构信息

Department of Orthodontics and Dentofacial Orthopedics, Satyabhama Dental College and Hospital, Chennai, India.

出版信息

J Pharm Bioallied Sci. 2012 Aug;4(Suppl 2):S212-6. doi: 10.4103/0975-7406.100206.

DOI:10.4103/0975-7406.100206
PMID:23066254
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3467937/
Abstract

OBJECTIVE

To quantify the adherence of Streptococcus mutans and Candida albicans on brackets made of stainless steel, plastic, ceramic, titanium, and gold, and to evaluate the various sites of adherence of these microorganisms with scanning electron microscopy (SEM).

MATERIALS AND METHODS

Brackets made of stainless steel, plastic, ceramic, titanium, and gold were used. The adherence of S. mutans and C. albicans were studied. The brackets were placed in flat-bottomed vials containing basal medium with 20% sucrose added; the flasks were inoculated with each of the microbial suspensions. The samples were incubated at 37°C for 48 h, after which the brackets were removed. The cells adhering to the glass were counted and the brackets were studied with SEM.

RESULTS

When evaluated together, the adherence of S. mutans and C. albicans was increased in the ceramic bracket group. When evaluated separately, metallic brackets had increased number of colony-forming units (CFUs) of S. mutans and the use of titanium brackets increased the CFUs of C. albicans. SEM demonstrated that the adherence of S. mutans and C. albicans together varied according to the bracket materials, with ceramic having the greatest and stainless steel having the least adherence.

CONCLUSIONS

Oral hygiene may be of greater concern with esthetic brackets since this study shows that microbial adhesion is greater with these brackets.

摘要

目的

量化变形链球菌和白色念珠菌在不锈钢、塑料、陶瓷、钛和金制成的托槽上的黏附情况，并通过扫描电子显微镜（SEM）评估这些微生物的不同黏附部位。

材料与方法

使用不锈钢、塑料、陶瓷、钛和金制成的托槽。研究变形链球菌和白色念珠菌的黏附情况。将托槽置于含有添加了20%蔗糖的基础培养基的平底小瓶中；向烧瓶中接种每种微生物悬液。样品在37°C下孵育48小时，之后取出托槽。对黏附在玻璃上的细胞进行计数，并使用扫描电子显微镜对托槽进行研究。

结果

综合评估时，陶瓷托槽组中变形链球菌和白色念珠菌的黏附增加。单独评估时，金属托槽上变形链球菌的菌落形成单位（CFU）数量增加，使用钛托槽会增加白色念珠菌的CFU。扫描电子显微镜显示，变形链球菌和白色念珠菌共同的黏附情况因托槽材料而异，陶瓷托槽的黏附性最强，不锈钢托槽的黏附性最弱。

结论

由于本研究表明美观托槽上的微生物黏附性更强，因此口腔卫生可能更值得关注。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/cec2f81108d7/JPBS-4-212-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/e2bbc70bd6ce/JPBS-4-212-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/2b3a59f2ce38/JPBS-4-212-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/31e8c0273eb3/JPBS-4-212-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/cec2f81108d7/JPBS-4-212-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/e2bbc70bd6ce/JPBS-4-212-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/2b3a59f2ce38/JPBS-4-212-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/31e8c0273eb3/JPBS-4-212-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e15/3467937/cec2f81108d7/JPBS-4-212-g005.jpg

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