Question 213 · LDEK · Craniofacial and occlusal development
Lateral margin for the upper and lower arch are:
- A. 2 mm in every direction in maxilla and 1.5 mm in every direction in mandible.
- B. 2.5 mm in every direction in maxilla and 1.5 mm in every direction in mandible.
- C. 2.5 mm in every direction in mandible and 1.5 mm in every direction in maxilla.
- D. 2 mm in every direction in mandible and 2.5 mm in every direction in maxilla.
- E. 2 mm in every direction in mandible and 1.5 mm in every direction in maxilla.
Hint
Compare the size of the lower second primary molar with that of the lower second premolar — in which arch is the difference larger?
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
- Super-elastic NiTi arch wires should not be used:
- There are two methods of palatal expansion: RPE (rapid palatal expansion) and SPE (slow palatal expansion). Select answers correct for SPE:
- Indicate false statements regarding the bonding of orthodontic brackets:
- In order for achieving orthopaedic expansion of the maxilla using RPE method, it is advisable to conduct treatment in:
- Using orthodontic mini-implants allows for:
- The minimal criteria for considering a functional test to be positive in case of functional prognathism, is the possibility of patient achieving…