Answers are grounded in this paper and cite their sources.
Clinicians must be aware that each tooth may display several types of root canal configuration. However, a greater variability in root canal configuration was found in maxillary second premolars and in the mesiobuccal roots of maxillary molars. Main root canal merging and splitting may also be expected to occur at any level of the root canal.
No takes yet. Share an insight, caveat, or question.
Martins et al. (2016) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: