A non aerosol topical anesthetic may be applied by the: - ✔✔DA or RDA Two primary reasons for using topical anesthetic agents are: - ✔✔relief of pain and anxiety Topical anesthetic is applied in the muco/buccal fold over the apex area of operation for _____ anesthesia - ✔✔infiltration A mobile tooth is a: - ✔✔Sign Cracking at the corner of the mouth is known as: - ✔✔cheilitis The tab of tissue on the inside of the cheek just opposite the upper first molar is: - ✔✔the opening to the parotid salivary gland Removing tissue for examination under a microscope is called: - ✔✔biopsy Before administering N20 to the patient: - ✔✔he is instructed to take several deep breaths A patient's overjet is measured by: - ✔✔the horizontal distance the maxillary teeth protrude beyond the mandible. A cross bite is: - ✔✔none of the above A Class I malocclusion is: - ✔✔The posterior teeth and mandible are in a normal position but there are malpositioned anterior teeth. A Class II malocclusion is: - ✔✔The posterior teeth and maxilla are in a protruded position in relationship to the mandible. A Class III malocclusion is: - ✔✔The posterior teeth and maxilla are in a retruded position in relationship to the mandible. A Class II elastic: - ✔✔attaches a the anterior of the maxillary appliance and the posterior of the mandibular appliance. Elastic orthodontic separators are placed: - ✔✔by a DA The following are not used for separators: - ✔✔Tie wires When placing a TP spring: - ✔✔first insert lingual side When removing separators care must be taken: - ✔✔to avoid injuring the interdental papillae A useful instrument for removing elastic separators is a : - ✔✔sickle scalerT-P springs are a type of: - ✔✔separator How long do elastic separators need to be left in place? - ✔✔3-5 days An elastic separator is placed by: - ✔✔a period of more than 8 hours Headgear should not be worn during: - ✔✔sports activities When ligating with a wire tie, the tie wire should be: - ✔✔bent at a 90 degree angle After twisting the wire ligature the "pigtail" should be cut to a length of approximately: - ✔✔3 mm After the wire ligature has been cut the cut end ("pigtail") is bent: - ✔✔gingivally A removable retainer should: - ✔✔1. should not impinge soft tissue 2. seat completely to the soft tissue 3. fit securely without dislodging (1,2 and 3) When placing head gear: - ✔✔place one side first then the other What are the vital signs? - ✔✔- blood pressure and pulse - temperature - respiration a mouth mirror is used for? - ✔✔- light reflection - retraction of soft tissues of the mouth it is possible to obtain an incorrect blood pressure reading by? - ✔✔- using the wrong size cuff - placing the cuff too high on the arm - taking visual reading instead of listening to the sounds A serviceable temporary filling should have the following characteristics? - ✔✔- sealed margins - appropriate contact points A matrix band placed incorrectly can cause? - ✔✔- flat contours - overhang - tooth movement