Question 232 · LDEK · Biomechanics and tissue response to treatment

Which of the below mentioned characteristic features of early stage of bone modelling, associated with teeth movement is false?

  1. A. no degenerative changes in periodontium cells.
  2. B. it is extended with increasing orthodontic force.
  3. C. it is reduced with increasing orthodontic force.
  4. D. immediate displacement of the tooth is observed.
  5. E. tooth movement takes place within boundaries specified by bio elasticity of periodontal ligament.
Hint

Heavier forces compress the periodontal ligament faster and bring hyalinization sooner — how does that affect the duration of the first phase?

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