Dental In 1947 a committee at ADA recommended symbolically, which of the following tooth numbering system A Zsigmondy/Palmer system B ADA system C Two digit system D Zsigmondy/Palmer system & ADA system 💡 Explanation In 1947 a committee at ADA recommended symbolically, which of the following tooth numbering system ✓ Correct Answer: A. Zsigmondy/Palmer system