Cone-beam Computed Tomography Evaluation of Root Canal Preparation using Various Rotary Instruments: An in vitro Study

The mandibular first molars are one of the first permanent teeth to erupt; thus, it remains the longest in terms of exposure to cariogenic pathogens. Also, its anatomical location and structure make it a prime location for dental caries (DC) but hard to access for cleaning. Thus, we aim to compare its incidence in adults and teenagers because the identification of the most susceptible age for tooth decay is key in prevention and prophylaxis against the same. A retrospective cross-sectional study was conducted by reviewing and analysing the data of 86,000 patient records from June 2019 to April 2020. Patients with treated mandibular first molars were selected from the age group of 13 and above. A Microsoft Excel 2016 data spreadsheet was used to collect data and was later exported to the Statistical Package for the Social Sciences for Windows (Version 20.0, SPSS). The number of males with DC in their mandibular first molar (59%) was higher than that of the females (41%). The highest number of cases were reported to prevail in the 'Young Adults' group, with 56.7%, followed by the 'Middle Adults' with 26%. This shows that adults have a higher incidence of DC in their mandibular first molars than teenagers. Also, there was a clear incidence of 46 having a higher incidence than caries in 36. (52.5% > 47.5%). There is an association between age and incidence of dental DC as proved by our Chi-Square Test, where we obtained a 'p' value of p<0.05, making it statistically significant. Once lost, our teeth cannot be naturally replaced, making prevention imperative. Thus, identifying the age in which we are most prone to decay is a great leap forward. But since the study does present with limitations, further research needs to be done to confirm the same.

Section: Resultsmentioning

confidence: 63%

Comparison of incidence of dental caries in the mandibular first molar in teenagers versus adults

Sathvika¹,

Anjaneyulu²,

Leelavathi³

2020

“…The in-vitro studies conducted at our university includes (Ramanathan and Solete, 2015;Rajendran et al, 2019;Janani et al, 2020), the invivo studies include (Nasim and Nandakumar, 2018;Siddique, 2019), the molecular study (Ramesh et al, 2018;Noor and Others, 2016), the reviews and systematic reviews published are (Kumar and Antony, 2018;Ravinthar and Jayalakshmi, 2018;Rajakeerthi and Ms, 2019), the surveys conducted (Manohar and Sharma, 2018;Jose et al, 2020), and the clinical trial conducted on root canal irrigants were (Teja and Ramesh, 2019;Ramamoorthi et al, 2015). Currently, we are analyzing retrospective studies.…”

Section: Data Collection/tabulationmentioning

confidence: 99%

Association of age and sex of patients undergoing class 2 amalgam restoration in mandibular premolars

Aishwarya

Pradeep

Suresh

2020

The most versatile restorative materials in the field of dentistry are dental amalgam which constitutes 75% of all restorative materials used by dental practitioners. Due to its excellent load-bearing capacity and low costs, it is still the top priority for many dentists. In this retrospective study, the details of the 86,000 patient records were reviewed and analyzed, out of which 160 patients who had undergone class 2 amalgam restoration in mandibular premolars between June 2019 to March 2020 were included in this study. The details like age, gender, tooth number and the surface of restorations were evaluated and entered in SPSS, version 23. The data were analyzed through a chi-square test. It was observed that there is no significant association between age, and surface distribution in mandibular premolars (p>0.05), however, on analyzing the association between gender and tooth surface, the statistical significance between gender and tooth surface was found ( p <0.05). Within the limitations, the mandibular second premolars had undergone more class 2 amalgam restoration than the first premolar. Disto occlusal restoration was performed in higher numbers, followed by mesio occlusal restoration in both genders.

“…Various studies have shown that the survival chance of the pulp with the accidental exposure of the pulp during the time of tooth preparation was high (Ramanathan and Solete, 2015) rather than due to the progression of caries (Janani et al, 2020). The main reason for this is due to the bacterial invasion into the pulp on caries exposure (Kumar and Antony, 2018).…”

Section: Introductionmentioning

confidence: 99%

A Retrospective Analysis of The Correlation Between the Type of Pulp Exposure and The Choice of Pulp Capping Agents

Vignesh¹,

Nasim²,

Rajasekar³

2020

The aim was mainly to determine the correlation between the type of pulp capping method and the material of choice in this study. Pulp capping in the carious teeth has been considered as unpredictable and they mainly have a lesser success rate. The pulp capping can be mainly done in two methods; they are direct and indirect pulp capping which can be mainly done with the help of different materials of choice like calcium hydroxide,MTA etc. The study was conducted in Saveetha Dental College . The data collection has been done from the department of Conservative dentistry and Endodontics for patients undergoing pulp capping treatment. A total sample data of 140 patients were obtained for a period of nine months ( June 2019 – April 2020.). Statistical analysis was done by using chi-square test with SPSS software version 23. The results were obtained and tabulated, the type of pulp capping method were 67% of indirect pulp capping and 33% of direct pulp capping method in which 81% of calcium hydroxide, 8% of MTA and 11% of RMGIC was used as the materials of choice. Among which indirect pulp capping method was most commonly used than the direct pulp capping method with calcium hydroxide as the material of choice for the treatment (p < 0.05 which is statistically significant). The pulpal exposure was mainly due to the dental caries and mechanical preparation of the tooth. Within the limits of the present study, the most common type of the pulp exposure was due to the dental caries and mechanical exposure during the cavity preparation of the tooth and the most common method of pulp capping was the indirect method with calcium hydroxide (CaOH) as the most common material of choice.