First ADA living guideline reaffirms dental exams crucial to detecting oral cancer early Sep 28, 2026 Clinical oral exams are critical to the early detection of oral cancer while biopsies remain the gold standard for definitive diagnosis. https://adanews.ada.org/ada-news/2026/september/first-ada-living-guideline-reaffirms-dental-exams-crucial-to-detecting-oral-cancer-early/