Sourabh Barbhai, - and Rajesh Shetty, - and Poonam Joshi, - and Vini Mehta, - and Ankita Mathur, - and Tanvi Sharma, - and Damini Chakraborty, - and Priyanka Porwal, - and Aida Meto, - and Dian Agustin Wahjuningrum, - and Alexander Maniangat Luke, - and Ajinkya M. Pawar, - (2022) Evaluation of Root Anatomy and Canal Configuration of Human Permanent Maxillary First Molar Using Cone-Beam Computed Tomography: A Systematic Review. International Journal of Environmental Research and Public Health.

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Abstract

The aim of this paper is to review the literature on root canal configuration (RCC) and the frequency of occurrence of a second mesiobuccal canal (MB) in human permanent maxillary first molars where cone-beam computed tomography (CBCT) is used. Online electronic databases such as PubMed-Medline, Embase, Scopus and Cochrane Library were searched using appropriate keywords from the earliest available date until 12th June 2022, without restriction on language. In the mesiobuccal root, type I was the most frequent (33.29%), followed by types II and IV (27.18% and 26.36%, respectively). Moreover, 68.2% of maxillary first molars had a second MB canal. For both the distobuccal and palatal roots, type I was the most prevalent, with 99.08% and 97.83% occurrence, respectively. All other types were infrequent. Type I RCC is most frequent in all the roots of the maxillary first molars. Hence, care must be taken during biomechanical preparation of the MB roots

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