| A | B |
|---|
| a vasoconstrictor is added to a local anesthetic because | lengthens the duration of action of the local anesthetic |
| this cement is exothermic and must be mixed on a glass slab | zinc phosphate |
| glass ionomer cement differs from other cements in the unique property of | releasing fluoride |
| the injection technique most preferred by dentists on the mandibular arch is | inferior alveolar nerve block |
| aspiration allows the dentist to determine the | correct placement of anesthetic |
| what type of anesthesia is frequently used on mnadibular teeth and injected near a major nerve in order to numb the entrée area served by that nerve branch | block |
| class II restoration are found on | posterior teeth, molars and premolars |
| which method of toothbrushing emphasizes placing the bristles at a 45 degree angle to the sulcus | Bass |
| decay located in the pits and fissures of the occlusal surfaces of the molars and premolars are considered which classification of caries | Class I |
| the material choice for Class III and IV restorations is | composite resin, for esthetic purposes on anterior teeth |
| the significance of the smear layer in restorative dentistry is to decrease the bonding strength | decreases bonding strength |
| calcium hydroxide can be used for | temporary cement, base, restorative material |
| what can be used as a visual aid to show the patient the areas in the mouth where debris remains after brushing and flossing | disclosing agent |
| what material would be placed into a prepared tooth FIRST for an amalgam restoration | calcium hydroxide |
| varnish is commonly used in amalgam cavity preparation to | seal and protect the dentin from migration of agents into the tooth |
| during an amalgam restoration procedure, articulating paper is used to evaluate for | occlusion after carving |
| primary objective of amalgam polishing is | create a smoother surface with fewer irregularities |
| calcium hydroxide is used under new restorations to | stimulate reparative dentin |
| what is the greatest concentration of vasoconstrictor in local anesthetic | 1:20,000 |
| agents that provide a temporary numbing on nerve endings located on the surface of the oral mucosa | topical anesthetics |
| temperature hypersensitivity occurring for about a week after a restorative procedure and then subsiding is most likely | pulpal hyperemia |
| what is achieved by injecting the anesthetic solution directly into the tissue at the site of the dental procedure | infiltration anesthesia |
| Local | Type of anesthesia that is the most frequently used form of pain control in dentistry. |
| The _______ the guage number the ______ the needle | larger, thinner (inverse relationship) |
| most frequently used guage sizes | 25, 27, 30 |
| applicator remains on site when applying topical anesthetic | 15 to 30 seconds |
| barbed tip at the end of the piston rod that engages the rubber stopper in the cartridge | harpoon |
| part of the needle that attaches to the threaded end of the syringe | hub |
| when doing a surgical scrub the hands and forearms should be scrubbed | 7 + 7 minutes |
| this instrument is used to loosen/cut periodontal ligament before an extraction | periosteal elevator |
