SUSTAINABILITY OF NORMAL ORAL FLORA MICROORGANISMS ON TWO DIFFERENT IMPRESSION MATERIALS

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MEMARIAN M.; VEYSI B.

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Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2009 | Volume:21 | Issue:3 (72) Page(s): 209-214

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Title

SUSTAINABILITY OF NORMAL ORAL FLORA MICROORGANISMS ON TWO DIFFERENT IMPRESSION MATERIALS

Author(s)

MEMARIAN M. | VEYSI B. | Issue Writer Certificate

Keywords

INFECTIONQ3

CONTROLQ3

DENTAL IMPRESSION MATERIALSQ3

STAPHYLOCOCCUS AUREUSQ3

STREPTOCOCCUS MUTANSQ2

CANDIDA ALBICANSQ2

Abstract

Background and Aim: Dental impressions are routinely contaminated with varying amounts of blood and saliva. This study investigated transferability and sustainability of oral flora on irreversible hydrocolloid and elastomeric impression materials.Materials and Methods: In this experimental study a sterilized maxillary typodont was contaminated through immersing in a solution containing approximately 108 bacteria/ml of Staphylococcuse, Streptococcuse and CANDIDA ALBICANS. Impressions were taken of contaminated typodont with irreversible hydrocolloid (Bayer-iralgin), and condensational silicone (Speedex). The impressions were rinsed with water and were placed in specific culture. The colony growth was investigated and the remainder of viable organisms was estimated. In the next stage of the study, samples were taken from impressions after 30 and 60 minutes, and 3 and 5 hours in order to evaluate the persistence of microorganisms. In the third stage, after preparing microbial suspension, the effectiveness of two different concentration of sodium hypochlorite was investigated in four different times. Kolmogrove-Smirnov, three-way ANOVA, and Tukey-HSD served for statistical analysis.Results: Type of impression material, time, and type of microorganisms significantly influenced the number of transmitted colonies (P=0.0001). Also, all interaction effects were statistically significant (P=0.0001). All tested microorganisms had grown in disinfected alginate and Speedex after immersion in 0.5% NaClO for one minute, but no bacterial growth was observed in both alginate and Speedex after 3, 5, and 10 minutes immersion. Regarding 0.6% NaClO, microorganisms were detected only in alginate material Bayer-Iralgin and only after one minute immersion.Conclusion: The results showed hydrocolloidal materials are more capable of carrying microorganisms compared to elastomeric materials specially Iralgin.

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APA: Copy

MEMARIAN, M., & VEYSI, B.. (2009). SUSTAINABILITY OF NORMAL ORAL FLORA MICROORGANISMS ON TWO DIFFERENT IMPRESSION MATERIALS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 21(3 (72)), 209-214. SID. https://sid.ir/paper/54744/en

Vancouver: Copy

MEMARIAN M., VEYSI B.. SUSTAINABILITY OF NORMAL ORAL FLORA MICROORGANISMS ON TWO DIFFERENT IMPRESSION MATERIALS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2009;21(3 (72)):209-214. Available from: https://sid.ir/paper/54744/en

IEEE: Copy

M. MEMARIAN, and B. VEYSI, “SUSTAINABILITY OF NORMAL ORAL FLORA MICROORGANISMS ON TWO DIFFERENT IMPRESSION MATERIALS,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 21, no. 3 (72), pp. 209–214, 2009, [Online]. Available: https://sid.ir/paper/54744/en

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