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Orthodontics · single question

A removable Hawley appliance is proposed for anterior maxillary crowding. Which of the following will NOT be a problem?

  1. Dependence on patient compliance
  2. Speech adaptation during the initial period
  3. Limited ability to produce bodily tooth movement
  4. Interference with oral hygiene
Show answer and explanation

Correct answer: D. Interference with oral hygiene

  • A. A genuine limitation — a removable appliance only works when worn.
  • B. A genuine limitation — the palatal acrylic temporarily affects sibilant sounds.
  • C. A genuine limitation — removable appliances produce tipping, not bodily movement, which requires fixed appliances.
  • D. Correct. A removable appliance is taken out for brushing and flossing, so oral hygiene is markedly easier than with fixed appliances — this is one of its principal advantages.

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