RDA Practice exam - Written Exam - Test #3

RDA Practice exam - Written Exam - Test #3 Alginate Impression - gagging is controlled by? -Answer-1. Having patient breathe through nose 2. Working as fast as possible 3. sitting in and upright position For accuracy - Alginate impression - how long after impressions are taken should they be "poured" -Answer-Within 5 minutes Prior to cementation of bands - the elastic "orthodontic separators should be? -Answer- Removed from the contact area Orthodontic Separator - proper position is? -Answer-Around the "Mesial" and "Distal" contact of the teeth Elastic Separators - removing with instrument, it is important to do what? -Answer-Not impinge on the tissue Be careful to not allow them to go down patient's throat Be careful that remnants of the elastic separators are not left on interproximally Orthodontic "Intra-Oral" measurements are performed by using a? -Answer-Boley gauge Flexible millimeter ruler Adjusted Retainer Placement - the dental assistant should? -Answer-Make sure that no wires impinge on tissue during seating of the retainer Checking For loose bands - to protect gingiva the direction of pressure on the instrument is primarily placed? -Answer-Occlusally Remove ligature ties -Answer-Procedure performed to free arch wire from the brackets Removal of Ligature Wires - Most important procedure is to? -Answer-Make sure the patient's soft tissues are not in or near the blades of the "Ligature cutter." Orthodontic Separators - used to? -Answer-Create enough space to fit an "Orthodontic Band." The "Pigtail" of a metal "brass" wire separator must rest on the? -Answer-Buccal Surface Archwire - must be seated into the bracket slot to do what? -Answer-Obtain full correction effects of the wire Ligating the arch wire into the bracket - followed by the trimmed ligature tie being directed/guided where? -Answer-Gingivally RDA - performing a mouth mirror inspection should? -Answer-Be able to differentiate the abnormal condition form the normal Characteristics of "Chronic inflammation of the gingival tissue" -Answer-Soft Spongy consistency bleeding readily Characteristics of - Carious lesions -Answer-Decalcification of the dental tissue A white spongy area A brown leathery area Pulp Testing Procedure - steps to follow prior to beginning test -Answer-The procedures and sensation should be described to the patient. Blood Pressure & Pulse - Purpose for taking and recording? -Answer-To detect hypertension To establish a record for future comparisons Pulse Rate - were is it taken on the body? -Answer-Radial Artery - count the pulsations here Oral Temperature - should not be taken for at least 10 minutes after? -Answer-Eating or drinking hot or cold liquids After "Topical Fluride" treatment - -Answer-The patient should not eat or drink for the period of "30 minutes" Disclosing "red" solution - if swallowed you should do what? -Answer-The solution is non toxic and harmless, but I would still report to doctor and most likely chart the information. Temporary Crown - that is "too long" may injure what? -Answer-Gingival attachment Posterior Temporary Crown - selecting and fitting, requires? -Answer-1. Contours are restored and functional 2. The height of counter of the abutment teeth are determined "medially - distally" 3. The cervical third of the tooth is free of debris and loose particles 4. The crown is properly trimmed and festooned 5. Occlusal contact is provided to prevent extrusion of the prepared tooth When Applying the Temporary Crown -Answer-1. Crown should be in contact with adjacent teeth 2. Crown should fit snugly 3. Gingival edges should be crimped Cementation of the "Temporary Crown" the gingiva may be irritated by? -Answer-The remaining excess cement Removal of "Post - Extraction" dressing - the socket should be? -Answer-Irrigated with a warm saline solution Number of sutures to be removed is determined by? -Answer-Reading/Checking the chart regarding the surgery, follow up care and doctor's directions. Temporary Sedative Dressing Placement - before the patient is dismissed the RDA/DA should check for what? -Answer-1. Check the Occlusion 2. Examine for marginal adaptation 3. Check for marginal excess What will small particles of excess "sedative filling material" left beneath the gingival tissue cause? -Answer-They will irritate adjacent tissues How is a cavity varnish applied to the Cavity Preparation ? -Answer-Via cotton pellets - placed with non locking forceps Zinc Phosphate as a base - it should be applied where in the cavity preparation? - Answer-In the deep portions of the cavity only