Shapes Of Access Cavity Preparation And Root Canal Locations: 🔵 Upper jaw , Main Numbers Of Canals ::: ( - Central Incisor : 1 canal / Lateral Incisor : 1 canal / Canine : 1 canal / First Premolar : 2 canals / Second Premolar : 1 canal / First Molar : 3 canals / Second Molar : 3 canals ) . _________________________________________      🔵 Lower jaw 🦷 , Main numbers of canals ::: ( - Central Incisor : 1 canal / Lateral Incisor : 1 canal / Canine : 1 canal / First Premolar: 1 canal / Second premolar : 1 canal / First Molar : 3 canals / Second Molar : 3 canals        _________________________________________ (1: Canal Cavo - Inter Radicular / 2 : Main Channel / 3: Recurrent Channel ( 2,8%) / 4: Secondary channel (16,4%) / 5: Accessory Channel (0,6%) / 6: Reticular Channel/ 7 : Deltas Apicais (37,2%) / 8: Bifurcated Or Collateral Channel / 9: interchannel or interduct (2,2%) / 10 : Lateral Or Adventitious Canal .Â
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