Dental A change in color of medium from green to yellow after 48 hours during Snyder’s test is indicative of? A No caries activity B Slight caries activity C Marked caries activity D Definite caries activity 💡 Explanation A change in color of medium from green to yellow after 48 hours during Snyder’s test is indicative of? ✓ Correct Answer: D. Definite caries activity