Test your knowledge of the morphology and characteristics of the maxillary first molar, including its cusps and supplemental cusp of Carabelli. This quiz will help you understand the structure of the largest tooth in the maxillary arch.

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Questions and Answers

Which cusp of the maxillary first molar is of little practical use?

Cusp of Carabelli

What is the morphological trait called when the supplemental cusp grades down to a series of grooves, depressions, or pits on the mesial portion of the lingual surface?

Cusp of Carabelli

Which tooth in the maxillary arch is normally the largest?

Maxillary first molar

How many well-developed functioning cusps does the maxillary first molar have?

Four Signup and view all the answers

What is the name of the supplemental cusp of little practical use in the maxillary first molar?

Cusp of Carabelli Signup and view all the answers

Which tooth in the maxillary arch is typically the largest?

Maxillary first molar Signup and view all the answers

How many well-developed functioning cusps does the maxillary first molar have?

Four Signup and view all the answers

What can the supplemental cusp of the maxillary first molar grade down to, on the mesial portion of the lingual surface?

A series of grooves Signup and view all the answers

At what age does the root of the maxillary second molar typically complete its development?

14–16 years Signup and view all the answers

When does the enamel of the maxillary second molar complete its development?

21 and half years Signup and view all the answers

At what age does the eruption of the maxillary second molar typically occur?

12–13 years Signup and view all the answers

What is the first evidence of calcification for the maxillary second molar?

21 and half years Signup and view all the answers

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Study Notes

Maxillary First Molar

The distolingual cusp of the maxillary first molar is of little practical use.
The supplemental cusp can grade down to a series of grooves, depressions, or pits on the mesial portion of the lingual surface, a morphological trait known as "Carabelli trait".
The maxillary first molar has 4-5 well-developed functioning cusps.

Maxillary Teeth

The maxillary first molar is normally the largest tooth in the maxillary arch.

Maxillary Second Molar

The root of the maxillary second molar typically completes its development at around 12-13 years of age.
The enamel of the maxillary second molar completes its development at around 2-3 years after eruption.
The eruption of the maxillary second molar typically occurs at around 12-13 years of age.
The first evidence of calcification for the maxillary second molar occurs at around 2-3 years after birth.