Which tooth in the permanent dentition is the most susceptible to dental caries ?
Correct answer: C. Mandibular 1st molar
- A. Maxillary 1st premolar
- B. Maxillary 2nd molar
- C. Mandibular 1st molar
- D. Mandibular 2nd molar
Explanation
The mandibular first molar is generally the most caries-susceptible permanent tooth because it erupts early and has deep, complex pits and fissures. Its occlusal anatomy retains plaque and food readily.
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