Question 151 · LDEK · Prevention and early treatment

The space maintainer is:

  1. A. active appliance, used for regaining space for unerupted premolar teeth.
  2. B. passive appliance, used after premature extraction of a deciduous tooth.
  3. C. functional appliance, which recreates the masticatory function after a loss of deciduous teeth.
  4. D. active appliance, used after a loss of deciduous teeth.
  5. E. true are A and D.
Hint

A space maintainer only holds space; it neither regains it nor restores chewing.

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