Research Article
Volume 17 Issue 7 - 2021
A Comparative Evaluation of Microbial Adhesion of Oral Pathogens to Three Different Types of Post system: An Invitro Study
Danah Mkarem1, Hadeer Muneer1, Lovely M2, Hafiz Ahmad3* and Jodat Askari4
1Graduates RAK College of Dental Sciences, Ras al Khaimah, United Arab Emirates
2Specialist Prosthodontist, Family Care Medical Center, Ras al Khaimah, United Arab Emirates
3Assistant Professor, Department of Medical Microbiology and Immunology, RAK College of Medical Sciences, RAK Medical and Health Sciences University, Ras al Khaimah, United Arab Emirates
4Professor in Prosthodontics, Liaqat College of medicine and Dentistry, Karachi, Pakistan
*Corresponding Author: Hafiz Ahmad, Assistant Professor, Department of Medical Microbiology and Immunology, RAK College of Medical Sciences, RAK Medical and Health Sciences University, NGS and COVID Lab In-Charge, RAK Hospital, Ras al Khaimah, United Arab Emirates.
Received: April 04, 2021; Published: June 30, 2021




Abstract

Objective: This study evaluated the adhesion probability of three common microflora present in the oral cavity as Staphylococcus aureus, Streptococcus mutans and Candida albicans to the three frequently used post systems: Stainless Steel metallic post, non-metallic Composite Fiber post and Quartz Fiber post.

Materials and Methods: To compare the adhesion rate, fifteen posts; five of each material type were tested after impregnating them in salivary substitute for 1 hour, and each post type was cultured with the three different pathogens separately using BHI and sucrose broth respectively at 37°C incubation for 4 weeks. Miles and Mishra standard methodology were followed to form microbial biofilms and results were analyzed by counting of colony-forming units (CFUs/mL).

Results: The highest probability of bacterial adhesion for Staphylococcus aureus followed by Candida albicans was seen with quartz fiber post. However, the adherence ratio when evaluated statistically was not significant with P-value > 0.05. The evaluation of mean values of each indicates a slightly increased adhesion of Staphylococcus aureus (1.94 x 104) and Candida albicans (12.10 x 106) to quartz post. In case of Stainless steel, the mean values of S. aureus (1.05 x 104) showed a slight decrease in adhesion when compared to composite fiber post (1.21 x 104). Candida albicans population adhered more to stainless steel (6.63 x 106) when compared to composite fiber post.

Conclusion: In this pilot study, maximum growth of microorganisms to quartz fiber post material was observed, although a further large sample size is required to corroborate the findings. If confirmed, with larger data sample, the quartz fiber post can be avoided in cases of periapical inflammation and retreatment cases requiring posts.

 

Keywords: Post and Core Failure; Microbial Adhesion; Post Materials; Stainless Steel Post; Composite Fiber Post; Quartz Fiber Post

References

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Citation: Hafiz Ahmad., et al. “A Comparative Evaluation of Microbial Adhesion of Oral Pathogens to Three Different Types of Post system: An Invitro Study” EC Microbiology 17.7 (2021): 83-93.

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