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Oral Biology Departement

Descriptive Dental Anatomy

Q Bank HPT 121

Q Bank HPT 121

I- Put (√) or (X) in front of each sentence and correct the wrong sentence.

1- The distal cusp is the smallest cusp in the occlusal surface of the lower 1st permanent molar. ( )

2- The lower third molar has no distal contact area. ( )

3- The three buccal cusps of the lower 1st deciduous molar are unequal in size. ( )

4- The lower third molar has numerous supplemental grooves. ( )

5- The lower deciduous incisors have lingual inclination. ( )

6- The crowns of the lower molars are wider mesiodistally than buccolingually. ( )

7- The developmental groove of the occlusal surface of the lower 2nd permanent molar is cruciform shape. ( )

8- The elevations and depressions of the deciduous teeth are less developed than the permanent teeth. ( )

9- Deciduous teeth begin to erupt at 6 months and the last tooth to erupt at about 6 years. ( )

10- The eruption date of the upper permanent canine is at about 11-12 years. ( )

11- Lower first permanent molar has 5 cusps. ( )

12- The lower permanent molars have 3 roots. ( )

13- Lower 1st permanent molar has supplemental grooves more than lower 3rd molar.