Ethics is a discipline that weighs the ideal human character and behavior in circumstances where the distinction should be made between what is right and wrong. Dental jurisprudence is put forth by each state's legislature. It describes the legal limitations and regulations related to the practice of dentistry. The aim of the present study was to understand the knowledge of dental ethics and jurisprudence among endodontists in Chennai, India. A cross-sectional questionnaire survey was conducted. A pilot study was conducted to validate the questionnaire. A specially designed questionnaire consisting of 21 close-ended questions. On assessing the results, it is seen that the majority of the endodontists are very much aware about the history and facts regarding ethics, jurisprudence. 45% of the endodontists are aware that the dentist act of India was started in the year 1948. It is seen that 54% are aware that the code of ethics was given by DCI. They are also aware about the different principles of ethics. Almost 82% endodontists are aware about the consent criteria and when it stands invalid. 73% know that consent is for both the doctor and patient well-being. The study concludes that the majority of dental practitioners are aware of dental ethics but their knowledge on jurisprudence and COPRA needs to be increased.
The provisional restorations are used for an interim period in fixed prosthodontics. In a few situations, it can also be used as a long term provisional restoration. In the case of long term provisional restorations, the major concern is the aesthetics and function. In anterior tooth replacement, colour stability is the main criteria for selection of material. Colour stability can be affected by various reasons. The aim of the study is to evaluate the colour stability on CAD-CAM interim restoration and the conventional interim restoration. Eight samples each of heat cure provisional and CAD-CAM resin milled provisional are fabricated and tested in a toothbrush simulator for a period of 24hrs. The average period of abrasion is for 9 months. Pre-test and post-test measurement of its absorbance using spectrophotometer done. The results showed that CAD-CAM provisional restorations have better colour stability than conventional heat-cured provisional restorations even after 9 months. This can be due to less monomer residue, better mechanical properties. Colour stability is an important criterion when anterior restoration is concerned. Discolouration of the restoration can be due to various factors that may lead to patient dissatisfaction. The CAD-CAM provisional restorations can be a better choice as a long term provisional restoration in the aesthetic zone.
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