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15. What is another term for unattached gingiva?

20. Which primary tooth has an H-shaped groove pattern on its occlusal surface?

12. What feature do newly erupted central and lateral incisors have on their incisal edge?

5. The _____________ is the surface of the tooth distant or away from the midline.

14. What is the name for the developmental horizontal lines on anterior teeth?

17. What term is given to a tooth that does not replace a primary tooth?

9. Name the most posterior teeth.

1. The natural teeth in the dental arch are known as _______________.

16. Which term is given to the area at which three roots divide?

3. The teeth in the front of the mouth are called___________________.