Zunaira salehabout 6 hours ago

Cold test for pulp vitality

Refrigerant spray container. B, A cotton roll can be used to form a large cotton pellet, or a size #2 (large) cotton pellet can be used to apply the refrigerant spray to the tooth surface. The small #4 cotton pellet does not provide as much surface area as the #2 cotton pellet, and therefore it should not be used to deliver the refrigerant to C the tooth surface. C, A large cotton pellet that has been sprayed with the refrigerant and is ready to be applied to the tooth.