NBDHE

As a dental amalgam restoration ages in the oral cavity, microleakage decreases because of? A)fluoride release B)galvanic currents C)increase in surface flow D)increase in edge strength E)formation of corrosion product Correct Answer: E)formation of corrosion product A fall in blood pressure could occur when a patient is experiencing each of the following conditions EXCEPT one. Which one is the EXCEPTION? A)shock B)syncope C)anxiety D)allergic reaction E)Addison's disease Corr...

Clients with an allergy to penicillin are more likely to show a cross-sensitivity reaction to which of the following classes of antibiotics? Correct Answer: Cephalosporins (T/F) Linoleic acid is an omega-3 fatty acid. It is considered a non-essential fatty acid. Correct Answer: Both are false. Levels of evidence exists that there is a hierarchy of evidence available to guide clinical decision-making. All of the following are implications of the hierarchy except one. Which one is the exce...

What is the smooth area between the eyebrows called? A. Philtrum B. Frontal region C. Frontal eminence D. Glabella E. Tragus Correct Answer: *D. Glabella* A. Philtrum - the groove between the upper lip and the nose B. Frontal region - includes the forehead and the area superior to the eyes C. Frontal eminence - prominence of the forehead E. Tragus - smaller flap of tissue of the auricle anterior ro the external acoustic meatus Research misconduct involves all of the following EXCE...

Which has the highest powder-to-water ratio? Plaster Type III stone Type IV stone Type V stone Correct Answer: type V (die stone) Patients with uncontrolled diabetes might exhibit each of the following conditions EXCEPT one. -Generalized widening of PDL space -Peripheral neuropathy -Polyuria -Retinopathy Correct Answer: generalized widening of PDL space Which is the handpiece primarily used for intraoral polishing? a. Belt-driven b. High speed c. Low speed d. Porte poli...

What is a benefit of resin-based sealants? A.) Fluoride is released from material to inhibit decay B.) When placed correctly, retention is excellent C.) Bond strength is improved in a moist environment D.) No polymerization shrinkage occurs Correct Answer: B.) When placed correctly, retention is excellent Which is the most common desensitizing agent found in over-the-counter dentifrices? A.) Potassium B.) Glutaraldehyde C.) Hydrogen Peroxide D.) Triclosan Correct Answer: ...

Guillain-Barre syndrome, myasthenia gravis, Wegener's granulomatosis, and Goodpasture syndrome all include plasmapheresis as a treatment option. After separating whole blood from plasma, the plasma is returned into circulation. Which of the following would be returned as a normal component of plasma? Formed elements Agranulocytes Thrombocytes CFC Albumin Correct Answer: Albumin An 18-month old boy diagnosed with Crouzon' syndrome needs to have surgery to treat the prematurely fused ...

What does periodontology involve? Correct Answer: Diagnosis, tx, and prevention of the inflammatory and systemic disease processes affecting the periodontium What are the tissues of the periodontium? Correct Answer: Gingiva, PDL, Cementum and alveolar bone What are the functions of the periodontal ligament? Correct Answer: Transmits occlusal forces to bone, attaches teeth to bone, maintains position of gingival tissues, resists impact of occlusal forces, shock absorber for nerves/vessel...

Longitudinal Correct Answer: A study in which df/dmf are conducted yearly on the same group of children is an example of which type of study? Children and young adults in fluoridated and nonfluoridated communities Correct Answer: Sealant programs are recommended for _________. A fluoride mouth rinse program Correct Answer: In a nonfluoridated community, which preventative dental health program would have the maximum cost benefit for the control of caries in elementary school children? ...

The lamina dura appears as a dense and ___ line that surrounds the tooth of a tooth a. radiopaque b. radiolucent Correct Answer: a. radiopaque The alveolar crest appears radiopaque and is typically ___ to ___ mm below the CEJ Correct Answer: 1.5-2mm The PDL appears ___ on a radiograph and is a thin line around the tooth Correct Answer: Radiolucent What radiopacity is located posterior and inferior to the TMJ area? Correct Answer: Mastoid process What radiopaque spine extends fr...

Veracity Correct Answer: telling the truth and expecting it of others Autonomy Correct Answer: deals with the Patient, not the practitioner Beneficence Correct Answer: includes the well-being of individuals and the public Nonmalefience Correct Answer: deals with the practioner (do no harm) Confidentiatlity Correct Answer: patient information and relationships Social trust Correct Answer: Values patient trust based on our actions and behavior What is the best way to avoid ...