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Objective In light of several advancements and considerations in endodontic dentistry, there still remains a need to comprehensively evaluate the outcome disparities between repairing and replacing broken dental restorations. This study aims to compare the effectiveness of repairing dental restorations versus replacing them, focusing on how each method affects the structural strength and longevity of the restorations. Methods The study included 60 freshly removed human maxillary premolars. Initial processing involved rigorous washing, descaling, and polishing of the teeth. To ensure preservation, the specimens were stored in sterile, distilled water. To occlude the root canals, a self-hardening composite resin was used, and the roots were coated with two coats of clear nail polish to prevent moisture penetration. A 245 carbide bur attached to a high-speed dental handpiece with air and water spray cooling produced standardized Class II cavities on the occluso-proximal surfaces. Each cavity had a buccolingual breadth of 2 mm, an occluso-cervical length of 4 mm, and a gingival boundary that was 1 mm coronal to the cement-enamel junction. Following this preparation, the teeth were randomly separated into three groups (Group A, Group B, and Group C), each containing 20 teeth. Results Our analysis showed that teeth with entirely replaced restorations had a higher average fracture resistance than those with repaired restorations. However, the difference in fracture resistance between the repair and replacement groups for each type of material was not statistically significant. Conclusion Based on the findings, repairing a dental restoration can be a conservative and less invasive alternative to a full replacement without a significant compromise in the restoration's ability to withstand fracture. Therefore, dental professionals might consider full restoration as a viable option, taking into account the need to preserve dental tissue as well as the restoration's durability and structural integrity.
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Aim: The present study evaluated the antimicrobial efficacy of chlorhexidine gluconate (CHX), Nisin, and Amoxicillin/Clavulanic Acid (Augmentin) as an intracanal irrigant against Enterococcus faecalis (EF). Materials and Methods: Minimum Inhibitory Concentration (MIC) for EF against Nisin and Augmentin was determined by microbroth dilution technique. Time kill cycle (TKC) analysis was done for 0 MIC, ½ MIC, 1 MIC, and 2 MIC at 0 hour, 15 minutes, 30 minutes, and 45 minutes. At the end of each time period, dilutions were pipetted and swabs of agar plates were done. Incubation of agar plates was done at 37C for 24 hours. Colonies formed were counted. Results: The time kill curve analysis of EF for CHX, Nisin, and Augmentin at different concentrations and time periods showed a gradual decline in mean bacterial count between 0 and 45 minutes for CHX; this decline increases with increase in concentrations and time. Whereas in group Nisin, not much decline in bacterial count is noted for ½ MIC concentrations but a signification reduction of P < 0.001 after exposure to Nisin at 1 MIC ant 2 MIC concentrations. Group Augmentin showed not much reduction in bacterial count with increase in concentration and time. Conclusion: From this study, Nisin is found to be a promising agent in eliminating EF in comparison to other irrigants tested. However, the systemic effect of this irrigant, its biocompatibility, allergic potential, and bacterial resistance needs further investigation.
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Objective Dental ethics is a moral obligation that solicits professional behaviour imposed by the members of the dental profession. In addition, a set of legal regulations by each state's legislature describing the legal limitations and regulations related to dentistry, dental hygiene, and dental assisting is a part of dental jurisprudence. The present study aims to evaluate the knowledge regarding ethics and medical law for the practice among private practitioners in Pune, India. Materials and methods This was a cross-sectional study. The snowball sampling method (a randomization method) was used to contact all the registered practitioners for the study. A total of 250 dentists agreed to provide written informed consent and participate in the study. The collected data were entered into Microsoft Excel 2013 sheet (Microsoft Corporation, Redmond, WA) and cleaned, and statistical analysis was carried out using Epi Info software (CDC, Atlanta, GA). All p-values below 0.05 were considered to be statistically significant. Results A total of 250 dentists participated in the present study. Female postgraduate dentists had lesser knowledge of abbreviations used on dental boards. Master of Dental Surgery (MDS) dentists had more knowledge regarding dental jurisprudence than Bachelor of Dental Surgery (BDS) practitioners. Conclusions The present study highlighted the lack of awareness regarding dental ethics and jurisprudence among dental practitioners. It underlines the need for more education programs and curriculum changes with a focus on ethics, jurisprudence, and legal matters pertaining to clinical practice.