Question 110 · LDEK · Resorption
What is the etiological factor of the external root resorption, a resorption in which a characteristic flat shortening of the root tips is observed?
- A. pulp necrosis.
- B. internal bleaching.
- C. orthodontic treatment.
- D. periodontal treatment.
- E. hormonal disorders.
Hint
Think of the mechanical force that compresses the apical periodontal ligament for months, most often in upper incisors.
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