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CROWN Buccal surface

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Buccal surface
From this view, the prominent buccal cusp is seen and resembles the labial view of the canine tooth, with a longitudinally-running ridge. The mesial and distal ridges of the buccal each form a 300 cusp, and the nesio- and disto-occlusal angles are prominent, giving the crown a “bulging-shouldered ovoid appearance. The mesial slope of the cusp is generally longer than the distal slope.