Pathology Organism involved in smooth surface caries is 1. Streptococcus mutans 2. Actinomyces viscosus 3. Lactobacillus 4. Campylobacter A only 1 B only 2 C 1 and 3 D All of the above 💡 Explanation Organism involved in smooth surface caries is 1. Streptococcus mutans 2. Actinomyces viscosus 3. Lactobacillus 4. Campylobacter ✓ Correct Answer: A. only 1