DMT Test 1 Questions with Correct Answers 100% Solved

DMT Test 1 Questions with Correct Answers 100% Solved A 70-year-old woman comes to the dental office for preparation of her maxillary anterior teeth for porcelain veneers. She wants to lighten her teeth but wants to keep the same color. She is wearing brightly colored clothing and makeup. What steps can the dental hygienist perform to help in the initial shade taking? - Answers shine the operatory light on the teeth What happens to a marshmallow when it is squeezed or flattened? - Answers A and C (Vol decreases, Density increases) Which of the following does not involve cusps? - Answers Inlay What is Dr. Frederick McKay credited with? - Answers Noting dental fluorosis in Colorado Springs All of the following statements are correct except one. Which one is the EXCEPTION? - Answers The anterior portion of the maxillary arch using the double pour technique of pouring stone is trimmed to a point at the midline Dental material's stiffness is also known as Modulus. Preventive biomaterials promote oral health and prevent occurrence of oral disease. - Answers Both statements are true You have been asked to examine a fellow student's mouth during partner in care. You are checking the contact of the molars to determine the occlusion. You have been asked by your clinical instructor which forces are being exerted by these teeth. Which of the following is the BEST answer? - Answers compressive force Which of the following material should not be mixed with latex gloves since the sulfur products from the gloves will interfere with the set of the material? - Answers Polysulfide The intensity or strength of a colour is known as: - Answers chroma Matthew, Dr. King's dental hygienist, recognized that the alginate impression he took on his younger brother, Nicholas, resulted in air bubbles and was torn along the frenum area and there was an inadequate peripheral roll. How can Matthew prevent this from happening again on subsequent clients? - Answers all except A (ensure that the tray is under seated and utility wax is used) According to the FDA US Food and Drug Administration, which of the following Class involves gloves and prophy paste which regulates good manufacturing standards and record keeping practices: - Answers Class I Microleakage may be responsible for: - Answers A, B, C (Recurrent caries, Marginal staining, Post-operative sensitivity) Dr. Lewis decided on completing his client's treatment with a restoration which covers 2 cusps of a tooth opposed to a full crown. This type of fixed prosthesis is known as a(an): - Answers onlay The following steps should be considered when taking an impression on a client who has a strong gag reflex except one. Which one is the EXCEPTION. - Answers Ask the client if he/she has a strong gag reflex and lean client back Which of the following controls the setting rate of alginate? - Answers Trisodium phosphate Once the initial set of stone has occurred, the material - Answers will lose its glossy appearance The most common reason for loss of a sealant shortly after placement is: - Answers saliva contamination after acid etching All of the following are examples of direct restorative materials except one. Which one is the EXCEPTION? - Answers Bridges All of the following statements are true. Which one is the exception? - Answers Polyethers which are not used for crown and bridge are the oldest of the elastomers and are commonly referred to as preliminary impression materials. All of the following statements are true except one. Which one is the EXCEPTION? - Answers It is not recommended to try to product samples before distributing them to your clients A defining characteristic of a solid is that it has: - Answers shape and volume Diagnostic casts are used for: - Answers patient education Which of the following statement is FALSE? - Answers There is no need to wear a mask, gloves and eyewear when trimming study models. Which of the following statements) is/are TRUE? - Answers A, B, C (The ADA seal of acceptance allows consumers to make informed decisions about the efficacy of products, The ADA seal outlines a broad spectrum or requirements that must be met to qualify for the ADA seal, The FDA protects the public by enduring that products meet certain standards of safety and efficacy) The main purpose of the desensitizing agents is: - Answers to seal the openings of the dentinal tubules You have just seated your 4:00pm client, Jake, and as his dental hygienist you have reviewed his medical/dental history and have also asked him if there was a chief complaint that we had to address today. He began telling you about dinner yesterday and how he experienc