Endodontic treatment of the maxillary first molar with palatal canal variations: A case report and review of literature

Table 1 Various reports on the palatal root variations in maxillary molars

Ref.	Mesiobuccal canal (No.)	Distobuccal canal (No.)	Palatal variations		Molar type
			Palatal root (No.)	Palatal root canal (No.)
Chakradhar et al[19], 2010	1	1	2	2	Maxillary first molar
Kottoor et al[26], 2011	3	3	1	2	Maxillary first molar
Fakhari and Shokraneh[20], 2013	1	1	2	2	Maxillary second molar
Badole et al[27], 2014	3	2	1	2	Maxillary first molar
Wu and Wu[21], 2015	1	1	2	2	Maxillary first molar
Asghari et al[22], 2015	1	1	2	2	Maxillary first molar
Mohammadzade Akhlaghi et al[23], 2017	1	1	2	2	Maxillary second molar
Schryvers et al[24], 2019	1	1	2	2	Maxillary second molar
M P et al[25], 2020	1	1	2	2	Maxillary second molar
Aydın[17], 2021	1	1	2	2	Maxillary first molar