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John reflects on the people who helped shape him as a clinician and the lessons he learned along the way. Rule number 1: don't make patients afraid of you.

Columbia University believes dentistry will change more in the next decade than it did in the last 50 years. Through a new initiative, we aim to lead that change.

Survival rates for oral cancer vary widely. Angela Yoon, DDS, is seeking a snippet of genetic material that could help identify the most aggressive cancer and lead to precision oral cancer care.