Question 25 · LDEK · Etiology and classification
On the orthopantomogram (OPG) of a 28-year-old patient an obliteration of the pulpchamber of tooth 22 as well as a widening of the periodontal ligament space in the periapical region was observed. The tooth did not respond to ethyl chloride; percussion test was negative. The crown of the tooth compared with the adjacent teeth was more yellow. The patient did not report spontaneous pain. What is the most likely reason for the changes in tooth 22?
- A. physiological changes related to aging.
- B. reversible pulpitis in the course of chronic caries.
- C. state after prolonged treatment with zinc oxide with eugenol.
- D. trauma-related replacement resorption.
- E. changes related to orthodontic treatment (fixed appliance).
Hint
Combine pulp canal obliteration in a young adult with the widened PDL space and check which listed cause fits radiographically.
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