Mandibular First Molar Buccal Aspect Features

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Which aspect of the mandibular first molar has a geometric outline resembling a trapezoid?

Buccal aspect

What distinguishes the occlusal outline of the mandibular first molar in terms of the mesiobuccal and distobuccal cusps?

Groove between the cusps

What distinguishes the mesial root from the distal root of the mandibular first molar?

Wider and longer

Which cusp on the lingual aspect of the mandibular first molar is described as larger, longer, and sharper than all the other cusps?

<p>Mesiolingual cusp</p> Signup and view all the answers

How does the cervical line of the mandibular first molar slope from mesial to distal?

<p>Convexly</p> Signup and view all the answers

What anatomical feature separates the mesiolingual and distolingual cusps on the lingual aspect of the mandibular first molar?

<p>Developmental groove</p> Signup and view all the answers

Which statement about the mesial aspect of the tooth is correct?

<p>The buccal outline is straight from the cervical third to the tip of the mesiobuccal cusp.</p> Signup and view all the answers

What is true about the occlusal outline of the mesial aspect?

<p>The mesiobuccal cusp is placed over the root base.</p> Signup and view all the answers

Regarding the mesial root, which statement is correct?

<p>The root outlines are straight from the neck till the apical third, then taper to a flat and broad apex.</p> Signup and view all the answers

Which statement about the distal aspect of the tooth is incorrect?

<p>The distal marginal ridge is more prominent than the mesial marginal ridge.</p> Signup and view all the answers

What is incorrect about the occlusal aspect?

<p>The distobuccal angle is acute.</p> Signup and view all the answers

Which statement about the elevations and depressions of the occlusal aspect is correct?

<p>Depressions include the central fossa and pit, mesial and distal triangular fossae and pits, central developmental groove, and buccal and lingual developmental grooves.</p> Signup and view all the answers

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