The primary objective of root canal treatment is the ability to remove irritants, to clean, shape and fill the root canal system three-dimensionally and prevent recontamination from bacterial irritants. Various Obturation techniques used for filling the root canals include lateral condensation, vertical compression, and thermoplastic gutta-percha techniques. The retrospective study aimed to evaluate the various obturation techniques used in mandibular molars. For this retrospective study data collection was based on patient records of Saveetha Dental College, Chennai and consisted of a total of 1903 cases evaluated based on the obturation technique within the time frame of 10th June 2019 to 1st March 2020. In this study, the obturation technique was evaluated based on the patients age, gender, procedure and based on the tooth in which obturation was done. Inclusion criteria consisted of the tooth that underwent endodontic treatment in patients within the age group of 18 to 60 yrs, a tooth with irreversible pulpal disease or chronic apical periodontitis, permanent tooth and mandibular molars. Exclusion criteria consisted of patients above 60 years, primary tooth, teeth in which root canal treatment was not undertaken, teeth with the presence of huge periapical lesions, severely calcified canals etc., severe periodontal disease, teeth apart from mandibular molars. All the values were then statistically analysed. In this study, 1930 patients (848 are females, and 1055 were males with a mean age of 24 years) were included. It was observed in this retrospective study that there was a significant difference between the various types of obturation technique used in mandibular molars. Matched single cone obturation technique was the preferred technique of obturation in the majority of the cases (62.4%). Single cone obturation technique has advantages over other techniques of obturation due to the fewer stress forces implied apically, thereby preventing an excess of sealer extrusion.
Cone Beam Computed Tomography is a diagnostic imaging modality that provides high quality, accurate three dimensional (3D) representations. CBCT in endodontics not only gives a three dimensional evaluation of the region of interest but also an appropriate resolution of images that help give a detailed analysis of the tooth and the surrounding alveolar anatomy. It aids in deciding the treatment plan in various fields of dentistry. CBCT has been proved as an essential diagnostic aid for endodontic practice. Since the use of ionizing radiation involves the patient’s and clinician’s safety, adequate knowledge about the appropriate usage of CBCT usage should be considered as a necessity. In endodontics, CBCT is a useful tool that helps in the diagnosis of apical periodontitis, resorptions, perforations, root canal morphology, traumatic injuries, voids. This survey was conducted among dentists. Online google forms were distributed of which 307 participants took part in the survey and the questionnaire contained 19 multiple choice questions, based on the demographic data, knowledge, attitude, practice regarding usage of CBCT in endodontics. On analysing the response to the questionnaire, it was found that the participants have overall good knowledge and were well versed regarding usage CBCT for endodontic procedures. This survey provides the reader with a clearer understanding of the appropriate and unwarranted usage of CBCT for endodontic practice. CBCT can be a powerful tool for endodontic diagnosis as well as in treatment planning and follow up.
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