Question 108 · LDEK · Crowding and dental anomalies
The impaction of which permanent tooth is most often observed after a premature loss of deciduous teeth as a result of spontaneous migration of teeth and insufficient space in the dental arch?
1) upper canine;
2) lower canine;
3) first lower premolar tooth;
4) second lower premolar tooth;
5) first upper premolar tooth;
6) second upper premolar tooth.
The correct answer is:
2) lower canine;
3) first lower premolar tooth;
4) second lower premolar tooth;
5) first upper premolar tooth;
6) second upper premolar tooth.
The correct answer is:
- A. 1,3,5.
- B. 1,4.
- C. 2,4.
- D. 2,5,6.
- E. 4,5,6.
Hint
Consider which permanent teeth erupt last into their segment and are therefore most easily blocked when neighbours drift into the gap.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Orthodontics
- The following indicators can be used to analyze the necessary space needed in support zones:
- When the lip profile is correct the lip step according to Korkhaus should be:
- When during fetal development does the primary palate cleft occur?
- Indicate the true statement concerning the reinclusion:
- Indicate the true statements concerning partial deep bite:
- Pseudo Angle's class: