Dental When the black band of a CPITN probe is completely visible while in gingival sulcus, it means A The individual has advanced periodontal disease B The individual has pockets between 4 and 5 mm C The individual needs comprehensive periodontal surgery D The individual has calculus and needs scaling and oral hygiene instructions 💡 Explanation When the black band of a CPITN probe is completely visible while in gingival sulcus, it means ✓ Correct Answer: D. The individual has calculus and needs scaling and oral hygiene instructions