Mandibular First Molar
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Publication: Comparative accuracy of the Clearing Technique, CBCT and Micro-CT
COMPARATIVE ACCURACY OF THE CLEARING TECHNIQUE, CBCT, AND MICRO-CT METHODS IN STUDYING MESIAL ROOT CANAL CONFIGURATION OF MANDIBULAR FIRST MOLARS Click here for more information R Ordinola-Zapata, C M. Bramante, M A. Versiani, I B Moldauer, G Topham, J L. Gutmann, A Nuñez, M A Hungaro Duarte and F Abella Despite the considerable number of studies published on the internal anatomy of posterior teeth, very little information exists regarding the accuracy of clearing, CBCT, and micro-CT methods to diagnose the morphology of the root canal anatomy. Therefore, the aim of this study was to compare the accuracy of the clearing technique and CBCT scanning in the assessment of the mesial root canal configuration of mandibular first molars, using micro-CT imaging system as a reference standard.
Publication: Middle Mesial Canal
Middle mesial canals in mandibular first molars: a micro-CT study in different populations Marco Aurélio Versiani, Ronald Ordinola-Zapata, Ali Keleş, Hatice Alcin, Clóvis Monteiro Bramante, Jesus Djalma Pécora, Manoel Damião Sousa-Neto Objective To describe the morphological aspects of middle mesial canals (MMC) in mandibular first molars using micro-CT. Design Mandibular first molars collected from the Brazilian (n=136) and Turkish (n=122) populations were scanned (voxel size: 9.9 μm) and mesial roots with MMC (n=48) evaluated regarding several morphological aspects. The incidence of MMC in each population was statistically compared using Chi-square test (α=0.05). Results Overall, the incidence of MMC was 18.6% (48 out of 258 molars) and was significantly higher in the Brazilian (n=30; 22.1%) than in the Turkish (n=18; 14.8%) population (p<0.05). In both populations, confluent configuration of the MMC was the most frequent anatomy. Most of the specimens with MMC had 3 in...
Rotary Preparation: Mandibular Molar
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Middle Mesial Canal - Mandibular Molar
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Middle Mesial Canal - Mandibular Molar
Click HERE to download the Power Point presentation with all pictures and a high-resolution video
Middle Mesial Canal - Mandibular Molar
Click HERE to download the Power Point presentation with all pictures and a high-resolution video
Middle Mesial Canal - Mandibular Molar
Click HERE to download the Power Point presentation with all pictures and a high-resolution video
Middle Mesial Canal - Mandibular Molar
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Mandibular First Premolar: Two Root Canals
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Conservative Endodontic Access - Mandibular Molar
Conservative Endodontic Access - Mandibular Molar The principles of traditional endodontic cavities were established many decades ago and have remained unchanged over time. The principles of traditional endodontic cavities were established many decades ago and have remained unchanged over time. The emerging concept of conservative endodontic access prioritizes the removal of restorative materials before tooth structure, of enamel before dentin and of occlusal tooth structure before cervical dentin. It disregards the traditional requirements of a straight-line access and complete unroofing of the pulp chamber and it emphasizes the importance of preservation of the crucial pericervical dentin (located 4 mm above and below the crestal bone) to the greatest extent possible.