Question 6 · LDEK · Developmental disorders of teeth
Indicate the true sentence on dens evaginatus:
- A. it has additional tubercles usually projecting from the buccal surface or palatal surface of the crown created of enamel or enamel and dentine, sometimes with the pulp inside.
- B. in incisor teeth the tubercle is called Talon cusp or Leong tooth.
- C. on the palatal surface of the first maxillary molar (rarely second or third permanent molars) the tubercle is called Carabelli cusp.
- D. it has additional tubercles usually on the palatal surface of the crown created of enamel or enamel with dentine, never with the pulp inside.
- E. in permanent teeth with incomplete root formation, an abrasion or fracture of the tubercle is the indication for sealing or restoration with composite material.
Hint
Check each eponym against the tooth group and the surface on which that extra cusp actually occurs.
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