Back to Access Cavities
MaxillaryOvoid
Maxillary Canine
Maxillary Canine - Axial View showing ovoid access cavity
Average Length26.5 mm
Root Development14 years
Universal #6, 11
FDI #13, 23
Access Cavity Design
ShapeOvoid
OrientationBuccopalatal
Entry PointPalatal surface, slightly below mid-crown
DimensionsM-D: 1.54 mmB-L: 2.24 mm
Canal Anatomy
Configurations
Single canal100%
Canal Positions
MCMain Canal
Ovoid throughout, may curve any direction in last 2-3 mm
Clinical Tips
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Warning
LONGEST tooth (26.5 mm) - requires 25 mm+ instruments
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Technique
Use long-shanked round burs for deep chambers
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Tip
May need to extend incisally for straight-line access
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Warning
Do NOT extend so far as to weaken heavily functioning cusp
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Tip
Buccal bone fenestration common over canine eminence