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Background: The study aimed to assess the importance of dental check-ups for preventing dental caries among children 5-12 years of age in Rajshahi. Materials & Methods: This descriptive study was conducted in Dental Unit, Rajshahi Medical College, Different Dental Clinics, Dental Chambers in Rajshahi City Corporation from January 2018 to December 2019. A total number of 370 participants were allocated to detect dental caries and history of visiting dental clinics or hospitals for a dental check-up. A cross-sectional survey using a self-structured questionnaire and clinical examination of the oral cavity were conducted among participants to detect dental caries. Results: 8.92% of participants visited dentists for a regular dental check-up, whereas 49.73% visited dentists only when they had pain or problems with their teeth. 40.81% of participants had dental caries who never visited dentists, and 47.57% of participants were suffering from dental caries who went to the dental clinic or hospital only when there were necessary or emergency. Conclusion: Regular dental check-up reduce the possibility of dental caries among children. TAJ 2021; 34: No-2: 90-94

Context: LSTR 3 Mix MP therapy is one of the procedures for the management of nonvital tooth with periapical lesion. The principle of this therapy is the complete sterilization of the total pulp canal space, thereby healing of the periradicular lesion. Objectives: To assess the clinical and radiological outcome of ‘Lesion sterilization and Tissue Repair’ (LSTR) for endodontic treatment of nonvital teeth with periapical lesion. Materials and Methods: This descriptive, observational study allocated 40 nonvital teeth with periapical lesion treated by LSTR 3 Mix MP Therapy. In study subjects, a mixture of Metronidazole, Ciprofloxacin and Minocycline (3 Mix) in a proportion of 1:1:1 in ointment (Macrogol mixed with propylene glycol: MP) was placed at the orifice of the root canal or the bottom of pulp chamber after gaining access in the pulp chamber and removal of necrotic pulp, then sealed with Glass Ionomer cement and further reinforced by composite resin. The protocols for follow up examination were 3, 6 and 12 months post operatively. At the time of follow up examination a standard follow up chart was maintained. Results: Out of 40 cases, in 29 cases had good responses both clinically and radiologically and 8 patients came back with some complications. Out of these 8 patients, 6 patients had uncertain outcome and in 2 patients it was unacceptable. Conclusion: LSTR 3 mix MP therapy reduced clinical signs and symptoms successfully in teeth with periapical lesion and radiological improvement of the periapical index was also noted. TAJ 2020; 33(2): 76-84

Background: Root canal Therapy is one of the procedures for the management of nonvital tooth with periapical lesion. The principle of this therapy is the complete sterilization of the total pulp canal space thereby healing of the periradicular lesion. Objectives: This experimental study assessed the clinical and radiological outcome of root canal treatment for nonsurgical management of nonvital teeth with periapical lesion. Materials and Methods: A total number of 40 infected teeth with periapical lesion were treated by conventional root canal treatment. Irritants from the root canal system was removed by mechanical instrumentation( Crown down Technique), chemical irrigation with NaOCL and by using Calcium Hydroxide as intracanal medicaments and fluid tight obturation both apically and coronally resulting repairs of inflamed periradicular tissues. The protocol for follow up examination will be 3, 6 and 12 months post operatively. At the time of follow up examination a standard follow up chart will be maintained. Results: Among 40 cases 32 cases could be treated as acceptable as their responses were good both clinically and radiologically and 5 patients came back with some complications among them 3 cases were uncertain and 2 cases were unacceptable. Conclusion: It was concluded that conventional root canal treatment reduced clinical signs and symptoms successfully in teeth with periapical lesion and radiologically. TAJ 2020; 33(1): 25-30