Maxillary Molars With Morphologic Variations of the Palatal Root Canals: A Report of Four Cases

Maxillary second molar with five root canals: a case report

“…Stone i Stoner [6] i Holderrieth i sar. [7] su ukazali na multipne varijacije kanalnog sistema palatinalnog korijena. Opisani su i slučajevi postojanja dva kanala u svakom od tri korijena maksilarnog molara [8].…”

“…Autori su ukazali da su u svakodnevnoj praksi nailazili na jedan slučaj maksilarnog molara sa dva odvojena palatinalna korijena svake tri godine. Iako je incidenca dva palatinalna korijena veoma mala, pri endodontskom postupku treba uzeti u obzir i ovu varijaciju maksilarnih molara [7]. Preoperativni radiogram je uvod u endodontsku proceduru i veoma je važan u dijagnostikovanju višestrukih korijenova i korijenskih kanala, kao i u ovom slučaju [14].…”

Maxillary First Molar with Two Root Canals = الرحى الأولي للفك العلوي ثنائية قنوات الجذور

“…1,2 Maxillary first molars have the most complex root and canal morphology in the maxillary dentition; therefore, their anatomy has been studied extensively and there is a wide range of variation in the literature with respect to the number of roots and the number of canals in each root. [2][3][4][5][6][7][8][9][10][11][12][13] It is now generally accepted that the most common form of maxillary first molar has three roots and four canals. 4 The wide buccolingual dimension of the mesiobuccal root, and the associated concavities on its mesial and distal surfaces, are consistent with the majority of mesiobuccal roots having two canals, whereas there is usually a single canal in each of the distobuccal and palatal roots.…”

“…9 Palatal root canal variations were well-established by some case reports. 5,10 However, the presence of two canals in a two-rooted maxillary first molar has rarely been reported in studies describing tooth and root canal anatomy. 10 Such an anatomic variation has been reported in a limited number of previous studies in relation to the second maxillary molar; however, the present report documents the case in relation to the first maxillary molar, which is much less common.…”

“…5,10 However, the presence of two canals in a two-rooted maxillary first molar has rarely been reported in studies describing tooth and root canal anatomy. 10 Such an anatomic variation has been reported in a limited number of previous studies in relation to the second maxillary molar; however, the present report documents the case in relation to the first maxillary molar, which is much less common. 10,11 A 35-year-old female patient with no history of systemic disease was referred to the Department of Endodontics of the Tabriz University of Medical Sciences in Iran.…”