Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?
Correct answer: A. Maxillary 1st premolar
- A. Maxillary 1st premolar
- B. Maxillary canine
- C. Mandibular 1st premolar
- D. Maxillary 2nd premolar
Explanation
The maxillary first premolar commonly has a pronounced mesial developmental concavity, often extending onto its bifurcated root surface, making plaque control and periodontal treatment difficult. This concavity worsens the prognosis when furcation involvement occurs.
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