DANB RHS Anatomy Q's

A maxillary incisor has a single root, pointed apex, and prominent cingulum. Which tooth is this?

B. Maxillary lateral incisor

Which mandibular premolar typically has one root and two cusps with a narrow crown?

A. Mandibular first premolar

Which tooth most commonly has three pulp horns?

B. Maxillary first molar

A tooth has two roots and three canals. Which tooth is this?

A. Mandibular first molar

Which maxillary tooth often has a palatal root distinct from buccal roots?

A. Maxillary first molar

The cingulum is most prominent on which tooth?

B. Maxillary central incisor

Which tooth is most likely to have a long, narrow crown and a single cusp?

A. Mandibular canine

The maxillary lateral incisor is most likely to have which characteristic?

A. Single root, sometimes dilacerated

Radiolucent midline area above #8–#9 on periapical radiograph?

A. Incisive foramen

Radiopaque line across maxillary molars, often seen superior to roots?

A. Zygomatic process of maxilla

Large radiolucency superior to maxillary premolars (#4–#5) on periapical radiograph?

A. Maxillary sinus

Radiopaque U-shaped structure above central incisors?

A. Floor of nasal fossa

Radiopaque bulge superimposed over maxillary molar roots?

B. Maxillary sinus floor

Which structure is seen as a horizontal radiopaque line across the anterior maxilla?

A. Floor of nasal fossa

Radiolucent round area lateral to central incisors on PA?

A. Incisive foramen

Radiolucency near apices of #28–#29 on mandibular PA?

A. Mental foramen

Radiopaque line from ramus to premolars on mandibular PA?

A. External oblique ridge

Radiopaque U-shaped area in anterior mandible?

D. Genial tubercles

Radiolucent tube-shaped structure along mandibular body?

A. Mandibular canal

Small round radiolucency at midline lingual mandibular area?

A. Lingual foramen

Radiopaque line along apices of mandibular molars, slightly above canal?

A. Mylohyoid ridge

Which mandibular molar root is usually mesial with two canals?

A. First molar

Which maxillary molar root is palatal?

A. First molar

Which anterior tooth usually has one pulp canal and one pulp horn?

A. Maxillary central incisor

Tooth with two roots, one buccal, one lingual, usually two canals in buccal root?

C. Maxillary first premolar