RDA

2. The 4 to 7 o’clock zone where instruments are exchanged.
3. An instrument with millimeter markings used to measure gum pockets.
4. A device used to hold and tighten a matrix band around a tooth.
7. A finger rest used to stabilize the hand while using an instrument.
8. Using a mirror or HVE to pull the cheek or tongue out of the way.
9. A silver-colored restorative material containing mercury.
10. The artificial tooth that replaces a missing natural tooth in a bridge.
11. A sharp, pointed instrument used to detect decay and calculus
13. An irreversible hydrocolloid used for preliminary impressions.
14. The mechanical process of mixing dental alloy and mercury together.
15. A wooden or plastic object used to create a tight contact between teeth during a filling.
17. The "pocket" or space between the tooth and the free gingiva.

1. The thin layer of bone-like tissue covering the root of the tooth.
5. An acid used to roughen the tooth surface before bonding.
6. A tooth-colored resin material used for restorations.
9. The use of the HVE to remove fluid and debris from the mouth.
11. A chemical reaction that gives off heat (like some dental cements).
12. The fibrous tissue that connects the tooth to the bone (Periodontal ______)
16. The property of a liquid that causes it to resist flowing (thickness).