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Year : 2018  |  Volume : 3  |  Issue : 1  |  Page : 36-41

Three-dimensional assessment of root canal morphology of human deciduous molars using cone beam computed tomography: An In vitro Study

Department of Pedodontics and Preventive Dentistry, Mamata Dental College, Khammam, Telangana, India

Correspondence Address:
Dr. N Venugopal Reddy
Department of Pedodontics and Preventive Dentistry, Mamata Dental College, Khammam, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijpr.ijpr_21_17

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Background: Endodontic treatment involves cleaning, shaping, and obturation of the root canal system which requires knowledge of root canal morphology and its commonly occurring variation. Aim: The aim of the present study was to assess the variations in number and morphology of deciduous molar teeth using cone beam computed tomography (CBCT) an auxiliary imaging modality. Materials and Methods: A total of ninety recently extracted deciduous molar teeth were collected which are divided into four groups: Group I: mandibular first molars (n = 22), Group II: maxillary first molars (n = 18), Group III: mandibular second molars (n = 21), Group IV: maxillary second molars (n = 29). The length of the roots, angulation of the roots, number of the root canals, curvature of the root canals, and the type of root canals were determined using CBCT. Statistical Analysis: Descriptive statistics were used to find out the frequency, mean, standard deviation, and range of all the five parameters. Results: CBCT showed that the distobuccal root of primary maxillary molars had the greatest angulation, whereas, in deciduous mandibular molars, distal root has the greatest angulation. S-shaped canals were more common in the palatal root of maxillary molars, and curved canals were more common in the mesial root in mandibular molars. Conclusions: CBCT was found to be an effective and accurate diagnostic tool which provides an auxiliary imaging technology to assess the root canal morphology of primary teeth.

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