The aim of this study was to determine the frequency and distribution of mandibular teeth treated by single visit root canal treatment (RCT) and multi-visit RCT in a group of the Indian population. With the approval of the Institutional Review Board of Saveetha Dental college, the data of 3887 patients between June 2019 to March 2020 were retrieved and analysed. Data was collected from 3887 patients and were divided into the criteria of a single visit and multi-visit RCT. The data were tabulated into excel sheets under the headings age, gender, teeth, type of treatment. It was an Institutional based Retrospective study. It was observed that there was a statistically significant association in the age and gender of patients who underwent single visit and multi-visit RCT in mandibular teeth. The probability value P<0.05 was obtained after performing a Chi-square test, showing that multi-visit RCT cases (59.9%)were higher than single visit RCT (40.56%). Within the limitations of the study, it was concluded that the frequency of multi-visit RCT was higher in mandibular teeth compared to single visit RCT. Frequency of multi-visit RCT was higher in mandibular molars followed by second premolars in comparison to single visit RCT. The frequency of multi-visit RCT was higher in both males and females compared to single visit RCT.
The aim of the study is to evaluate comparatively the cytotoxicity of diclofenac sodium and calcium hydroxide on L929 fibroblasts. L929 fibroblast cells were cultured and grown on Dulbecco modified Eagle’s medium. Intracanal medicaments tested were Diclofenac sodium, 5.0, 7.5, 10.0 mM/ml) and calcium hydroxide. The human fibroblast cell lines cultured in Dulbecco Modified Eagle’s medium were used as control group. Cytotoxicity was evaluated by 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyl-tetrazolium bromide (MTT) assay. The results showed that there was a significant difference in cell viability as compared with the control group (P<0.05). There was no significant difference in the group treated with diclofenac sodium and calcium hydroxide (1.0 mM/ml). However, diclofenac sodium at concentration more than 5 mM/ml was found to be cytotoxic. The study concludes that diclofenac sodium is cytotoxic at 5 mM/ml and above. Therefore, further studies are recommended to establish the antimicrobial efficacy of the medicament. Within the limitations of the study, Diclofenac sodium at concentration more than 5mM/ml was found to be cytotoxic for the cells. The inhibitory concentration (IC50) of Diclofenac sodium at which the cells were viable was found to be 5.2 mM/ml. Further studies should be done to establish the antimicrobial efficacy of the medicament at these concentrations.
The aim of the present study was to assess the association of age and gender of patients with the type of tooth resorption treated. The data was retrieved from the patient records and analyzed the data of tooth resorption treated patients between June 2019 to March 2020, after approval from the Institutional Review board of Saveetha Dental College. It is an institutional based retrospective study. The data was tabulated into excel sheets under the headings age, gender, type of tooth resorption treatment, tooth number. The data was analyzed by Chi-square test using SPSS software. The probability value obtained after performing Chi-square test was P>0.05 indicating that there is a statistically insignificant difference between the age, gender, teeth of patients who have undergone treatment for tooth resorption. Within the limitations of the study, the frequency of internal tooth resorption cases was higher compared to external tooth resorption cases. Male population of the age group 20 to 25 years have most frequently undergone treatment for internal tooth resorption.
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