Question 305 · LDEK · Developmental disorders of teeth
Choose correct statement regarding dens evaginatus:
- A. it is characterized by additional tubercules in the shape of cusps on the buccal and palatal surfaces of the crowns, formed by enamel or enamel and dentine; pulp can be found within it.
- B. if found in incisors, such tubercules are referred to as the Leong’s tooth.
- C. if found on the palatal surface of the first maxillary molar (rarely in second or third permanent molars), tubercules in the shape of cusps are reffered to a Carabelli cusps.
- D. it is characterized by presence of additional tubecules in the shape of cusps on occlusal surface of the crowns, formed by enamel or enamel and dentine; pulp cannot be found within it.
- E. in case of permanent teeth with incomplete root formation, abrasion or fracture of a tubercule is an indication for sealing or composite restoration.
Hint
Recall where Leong's premolar and talon cusps occur, whether pulp may extend into the tubercle, and when it should be protected.
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