Aim: This study aimed to evaluate the color stability of nanohybrid direct resin-based composites and indirect resin-based composites to Indian spices. Materials and methods: Fifty samples of the nanohybrid resin-based composite (G-aenial) and the indirect resin-based composite (Adoro) were prepared using an acrylic template of dimension 8 mm × 3 mm. All the samples were polished with the Sof-Lex polishing kit. They were randomly divided into five groups and immersed in solutions of turmeric powder, tamarind extract, paprika powder, and saffron extract. Artificial saliva was used as the control group. Color values (L *a *b *) were measured by a reflectance spectrophotometer using the Commission Internationale de l'Eclairage (CIE) L *a *b * system before and after 24 hours, 48 hours, 72 hours, and 1 month of immersion. Color differences ∆E *ab were statistically analyzed by the two-way repeated measures ANOVA and the post hoc Tukey test using IBM SPSS v19.0. Results: The results exhibited statistical significance between all five solutions and two groups at each time point considered (p < 0.05). From the mean, it is evident that in both indirect and direct composite groups, turmeric solution is having the highest mean when compared to other four solutions. Conclusion: Indirect resin-based composites (Adoro) show less stainability when compared to direct resin-based composites (G-aenial). In both groups, turmeric showed maximum discoloration. Clinical significance: Both the direct and indirect composites have a tendency to get stained with Indian spices. Indirect composites stain lesser to Indian spices when compared to direct composites. Thus, indirect composites are recommended for esthetic restorations.
Endodontic perforation is an iatrogenic error which results in the communication between the crown and the oral cavity/root and the periodontal ligament space and bone. It's the most common type of endodontic mishap occurs while negotiating canals. The primary cause of endodontic perforations is poor knowledge of the internal anatomy of the tooth. Other factor includes calcification, rotation, malposed tooth, and resorption. The diagnosis of root perforation is pivotal for treatment and good prognosis. Prime diagnosis of perforation was done by Clinical and radiographic examination. Cone-beam computed tomography play an important role for the diagnosis perforation, even with other materials superimposing the defect. This article mainly focuses on prevention of endodontic perforations.
Over the past few decades, technological advances in endodontics have taken quantum leaps from conventional hand files to rotary system and from direct vision to magnification. The clarity and details are achieved by magnification devices such as orascope, dental loupes, and dental operating microscope. The details are very clear and revealing so that the endodontists can achieve precision in diagnosis, treatment procedures, and final assessment of procedure performed. Magnification technique is undergoing continuous advancements, allowing a better precision and quality standard. Microdentistry with its expanding possibility and increased clinical implication has now set a higher standard in patient care and in success rate of treatment procedures.
Accidents are unpleasant incidences that happen when we are careless or when we do not follow the safety rules. In the dental office, foreign body ingestion or aspiration is a rare but serious mishappening. Ingestion of blunt foreign objects is less life-threatening and the object is generally egested through the gastrointestinal tract uneventfully, but instrument may sometimes cause intestinal perforation. Aspiration, on the other hand, is a more serious, but fortunately, less prevalent hazard and often leads to hospitalization of the patient. From a legal aspect also, such incidence is counted as negligence on the part of the operator and the dentist should be well aware of the legal liabilities and should take the appropriate preventive measures to prevent or intercept any untoward circumstance.
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