Kiran John1, K Chandrasekharan Nair2*, Vahini Reddy3 and Chiranjeevi Reddy4
1Consultant Prosthodontist, Clove Dental, Bengaluru, India 2Professor Emeritus, Department of Prosthodontics, Sri Sankara Dental College, Akathumuri, Thiruvananthapuram, Kerala, India 3Former Professor of Prosthodontics, AECS Maaruti College of Dental Sciences, Bangalore, India 4Professor of Prosthodontics, AECS Maaruti College of Dental Sciences, Bangalore, India
*Corresponding Author: K Chandrasekharan Nair, Professor Emeritus, Department of Prosthodontics, Sri Sankara Dental College, Akathumuri, Thiruvananthapuram, Kerala, India.
Received: May 10, 2022; Published: May 30, 2022
Objectives: To find out the antimicrobial and antifungal effects of tissue conditioners containing a photocatalyst (titanium dioxide).
Materials and Methods: TiO2 (20 wt%) was added to the tissue conditioner powder and added to the liquid in the desired concentration for the preparation of the tissue conditioner specimens. These specimens were divided into four groups.
Gr.1 – Tissue conditioner only (control), Gr.2 – Tissue conditioner + Photocatalyst + UV irradiation,
Gr.3 – Tissue conditioner + Photocatalyst, Gr.4 – Tissue conditioner + UV irradiation
Three strains of microorganisms were used to test the growth against the four groups of tissue conditioner specimens. The microorganisms used were: 1. Streptococcus mutans, 2. Staphylococcus aureus and 3. Candida albicans. After inoculation and incubation, the colony forming units were counted to evaluate the antimicrobial activity. Data was statistically analysed with the Kruskal Wallis test.
Results: Higher mean growth of Streptococcus Mutans was recorded in Group-3 followed by Group-1. Group-4 and Group-2 showed lowest growth. Higher mean growth of Staphylococcus Aureus was recorded in Group-1 followed by Group-3. Group-4 and Group-2 showed lower growth of the microorganisms. Higher mean growth of Candida Albicans was recorded in Group-1 followed by Group-3, Group-4 and Group-2 respectively. The difference in mean growth of Candida Albicans among the groups was found to be statistically significant.
Conclusions: Tissue conditioners do not possess antimicrobial potential. Tissue conditioners that incorporate Titanium dioxide and when subjected to UV radiation gains very potent antimicrobial capacity. Tissue conditioner which was subjected to ultra violet radiation also gains good antimicrobial activity. Titanium dioxide did not possess antimicrobial potential.
Keywords: Tissue Conditioner; Resilient Liner; Photocatalyst; Titanium Dioxide; UV Irradiation
Citation: K Chandrasekharan Nair., et al. “A Study on the Effect of Photocatalyst Incorporated Tissue Conditioners in Controlling the Growth of Oral Microorganisms Viz. Streptococcus mutans, Staphylococcus aureus and Candida albicans". Acta Scientific Dental Sciences 6.6 (2022): 181-189.
Copyright: © 2022 K Chandrasekharan Nair., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.