A. Mesiobuccal B. Distobuccal
C. Mesiolingual D. Distolingual
ANS. C. The primary first mandibular molar is a highly unusual tooth. It is molar-like
in form, with two roots (mesial and distal), but has a very pronounced mesial development of the
crown. The mesial section comprises two-thirds of the crown, and the distal portion is much reduced.
The mesiolingual cusp is the highest and sharpest, although the mesiobuccal is overall largest as
viewed from the occlusal. It is followed in size by the ML, DB, and DL cusps.
FOR MORE IN DENTISTRY: VISIT
RxDENTISTRY
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DENTAL MATRIX
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