Question

Difference between roots of maxillary and mandibular premolars

Answer 1

1-the occlusal surface of maxillary is more rectangular or oblong than the mandibular. Mandibular premolars are more rounded or square.
2-mandibular lingual cusp is much shorter than the buccal cusp. The maxillary lingual cusp is only slightly shorter.

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Answer 2

Dentin composes most of the root, which normally has pulp canals. The roots of teeth may be single in number (single-rooted teeth) or multiple. Canines and most premolars, except for maxillary first premolars, usually have one root. Maxillary first premolars and mandibular molars usually have two roots.