Endodontics
Course Review
Enoch Ng, DDS 2014
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Mn canines – 30% have 2 canals
o
Ovoid
o
Middle 1/3 of lingual surface
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Mn Premolars – 25% have 2 canals
o
Ovoid B/L
o
Buccal to central groove
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Mn Molars – 30-40% chance 2
nd
canal in distal root
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Rectangular
o
MB canal slightly distal to MB cusp tip
o
ML canal orifice in area of central groove, slightly distal compared to MB canal
Errors in Access
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Inadequate preparation
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Excess removal