Question 122 · LDEK · Functional appliances
Fixed functional apparatuses do not include:
- A. Herbst apparatus.
- B. fixed bite surface.
- C. Malu apparatus.
- D. crown with a cast directional plane.
- E. Nance appliance.
Hint
Functional appliances use muscle forces to reposition the mandible; look for the device that only holds teeth passively.
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
- Partial open bite can result from:
- The screw that enables the jaw to expand in three directions is:
- The free mouth opening range in adolescents and adults, measured from the edges of the upper incisors to the lower incisors, in the midline is:
- Indicate the types of gypsum used in orthodontics:
- In Edgewise technique 5 phases of treatment can be distinguished according to Hasund:
- Which of the following describing postnatal masticatory system development is true?