Question 229 · LDEK · Developmental disorders of teeth
Indicate the false statements concerning taurodontism:
1) is characterized by an elongated trunk of the crown with no cervical constriction and short roots;
2) is characterized by extended tooth roots;
3) occurs only in first permanent molars;
4) occurs as a result of the accelerated, horizontal intussusception of Hertwig epithelial sheath;
5) occurs as a result of the delayed, horizontal intussusception of Hertwig epithelial sheath.
The correct answer is:
2) is characterized by extended tooth roots;
3) occurs only in first permanent molars;
4) occurs as a result of the accelerated, horizontal intussusception of Hertwig epithelial sheath;
5) occurs as a result of the delayed, horizontal intussusception of Hertwig epithelial sheath.
The correct answer is:
- A. 1,3.
- B. 2,5.
- C. 2,3,4.
- D. 2,3,5.
- E. 1,4.
Hint
Picture a 'bull-like' molar with a huge pulp chamber and an apically displaced furcation, and recall what Hertwig's sheath fails to do in time.
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