An ethical dilemma occurs when one or more ethical principles are in conflict. T or F?
True. example - if a hygienist has a patient who is required to have antibiotic premedication and they instruct the hygienist to â€œgo headâ€ with treatment for scaling and root planning, then that is an ethical dilemma. The patient is expressing his autonomy while the hygienist knows that lack of premedication could cause harm, thus nonmaleficence is involved.
In the principle of nonmaleficence, the health care providers first obligation to the patient is:
To do no harm.
Over time, the principle of nonmaleficence has evolved to include the:
Preventing and removing harm.
The classification of harm and good includes:
A) Not to inflict harm B) Prevent harm C) Remove harm
Beneficence and nonmaleficence are often linked because they are both founded in the _______ tradition.
Hippocratic. The Hippocratic tradition requires the physician to do what will best benefit the patient.
The following defines the healing professions and sets them apart from other occupations.
Commitment to assist and benefit others.
Which principle is heart of many ethical dilemmas that occur in dentistry?
Principle of autonomy. (Autonomy is what gives rise to the concept of permitting individuals to make their own decisions about their health. Sometimes what the patient believes is best is not what the healthcare provider believes is best.)
______ is often listed as one of the major principles of ethics.
An example of an ethical dilemma would be when an individual intentionally charges an insurance company for dental procedures that were not performed.
False. This would be an example of an unethical and unlawful behavior (fraud), but not an ethical dilemma.
Layers of aluminum metal used to filter x-ray beam:
X-ray filter. 1.5 mm added filtration for machines operating at â‰¤ 70kVp 2.5 mm added filtration for machines operating at > 70 kVp
joint radiography, good for TMJ
Axial (basilar)(submentovertex) projection -
"jug handle view", cranial base
Caldwell projection -
all aspects of the orbit, sinuses
Computed tomography (CT) -
good for measuring tissue thickness when placing implants
Lateral (Cephalometric) head plate-
common projection used for orthodontics to assess facial growth
records right or left side of the jaws
Lateral Oblique mandibular projection-
mandibular condyle, coronoid process, ramus and body of Mandible.
Lateral Skull projection -
sinuses, nasopharynx, maxilla
records entire maxilla, mandible, and immediately adjacent structures, impacted teeth,etc
Posterior-anterior (PA) projection-
entire mandible except condyles
Towne & Reverse Towne projection-
condyle, occipital bone, orbital floor, zygomatic arch, middle ear structures
view useful for examining maxillary sinuses as well as frontal and ethmoid sinuses
8" PID and was set at 26 exposure time, changing to a 16" PID and a fully functioning xray machine, what would happen to the intensity if set at proper exposures?
The intensity would be decreased by 4
Which has no antibody production associated with it?
Type IV, or delayed hypersensitivity is the only reaction that does not have an associated antibody. Primary antibodies are: Type I=IgE Type II= IgG Type III= Type IgG
Type of particulate radiation:
A) alpha particles B) beta particles C) protons
Identify the reduction in exposure time when changing from D-speed film to E-speed film:
by 1/2 - From D spead to E speed, you decrease exposure by one-half
When a film is subjected to sudden temperature changes (such as between developer solution and water bath)...
reticulation of emulsion can occur.
creates force that causes LIKE molecules to attach to one another Ex. - welding and direct gold restorations
creates forces that cause UNLIKE molecules to attach to one another Ex. - resin to enamel and plaque to tooth structure
increased secretion of parathyroid hormone.
decreased thyroid hormone secretion.
excessive thyroid hormone secretion.
Hyperthyroidism Oral and Clinical Manifestations:
-bone loss, premature eruption of teeth, early perio disease - exophtalmus, weakness, reddish tint to skin
Hypothyroidism Oral and Clinical Manifestations:
- thick lips, delayed tooth eruption - In Children - cretinism - In Adults - myxedema
Hyperparathyroidism Oral and Clinical Manifestations:
- Increased radiolucency of bone, cystic like spaces in maxilla and mandible - weakness, anorexia, constipation, polyuria, polydipsea
Hyperglycemia (Diabetic Coma)
High glucose in the blood, but with low levels of insulin. - Sweet/fruity breath smell - Acetone breath - Treatment - Insulin injection, activate EMS - Physical Findings: - Skin - Flushed and dry - Lack of appetite - Pulse - Weak
Hypoglycemia (Insulin Shock)
Low glucose in the blood, but with high levels of insulin. - Treatment - Give sugar to raise blood glucose (apple juice, cake frosting) - Physical Findings: - Skin - Moist and sweaty - Hunger - Pulse - Fast
Cleft Class 1
Cleft of tip of uvula (just the tip)
Cleft Class 2
Cleft of uvula (a bifid uvula)
Cleft Class 3
Cleft of soft palate
Cleft Class 4
Cleft of soft and hard palates
Cleft Class 5
Cleft of soft and hard palates that goes through the alveolar ridge on one side of premaxilla
Cleft Class 6
Cleft of soft and hard palates that goes through both sides of premaxilla
Hydroquinone and phenidone are examples of a(an):
The fluoride concentration in saliva ranges from:
.01 to .04 ppm
Localized Juvenile Periodontitis is characterized my severe bone loss involving the: