When using a sickle scaler or curette for calculus removal, a working (scaling) stroke is used to:

Case GV: Ginger Vitis, RDH’s patient is a 58 year old African-American male in for his three-month periodontal maintenance recall appointment. He has high blood pressure that is controlled with Toprol-XL ® (metoprolol) and recently had a cardiac pacemaker placed. Ginger notices a couple of lesions on the left buccal mucosa where the patient recalls he bit his cheek. Ginger notes several amalgam restorations, and a 3 unit bridge on the UL. The patient has generalized recession and pockets ranging from 2 to 6 mm. He has a couple of areas of graininess and one small spicule of subgingival calculus in the upper anterior with a thin band of calculus visible supragingivally in the lower anterior lingual area. His oral hygiene is fair, with a thin line of biofilm accumulated along the gingival margin of most all posterior teeth and a little heavier on some anterior teeth. He is very agitated because he was on time for his appointment but was not seated until 15 minutes after he arrived. Case GV: Of the following information obtained on this patient, which is objective (and not subjective) data?

SELECT ALL THAT APPLY: Which of the following are a limitation or hazard for use of the high-level disinfectant glutaraldehyde?

The Hepatitis B and Hepatitis C have many commonalities. Which one is NOT something common to both?

Case BH:  Barney Hart, RDH is working on his fifth patient of the day. He is running late and rushes to retrieve more sterilized gauze to wipe his instrument tips clean. He reaches into a glass apothecary jar with his exam-gloved hand to get some gauze, replaces the lid, but then knocks the jar across the smooth quartz countertop onto the floor. Plush carpet cushions the fall, so the jar does not break, but the lid does fall off and the gauze gets on the floor. Barney shoves the gauze back in the jar with his latex gloves but does not use any of it. He calls for an assistant to bring more sterilized gauze.Case BH: How should Barney have correctly maintained aseptic technique in the above situation?

The ‘side’ positioning zone (9:00 to 10:00 R / 2:00 to 3:00 L) is generally reserved for:

SELECT ALL THAT APPLY: An explorer is used to detect or find:

Case GK: Gracie Kuret, RDH reports to work even though she has a bad cough, a congested nose, and is running a fever of 101.8º. She sets up the room for her first patient, properly disinfecting her room and putting on proper barrier protection. She frequently stops to cough and blow her nose. When her patient comes, she rinses her hands with water and puts on a clean face shield. She seats her patient and reviews the medical history and takes the patient’s vital signs. The patient is in good health with no significant findings (NSF). The patient last had a prophylaxis 12 months ago and has no restorations or sealants. During the health history review, Gracie coughs several times but turns away from her patient. After completing the history review and consent forms, Gracie removes her face shield, puts on safety glasses, an N95 mask, dons a pair of exam gloves, and replaces her face shield.Case GK: What was the primary thing Gracie should have done to prevent her patient from getting exposed to her illness?

An instrument is identified as a 17/18 Gracey curette. This means this instrument can be:

Organized masses of microorganisms held together by a gel-like intermicrobial matrix describes: