A benign tumor is not life-threatening, but this is only one of two correct descriptions presented here
A benign tumor is a neoplasm, but this is only one of two correct descriptions presented here.
Dental assistants should be immunized against
Hepatitis B and tetanus are both important immunizations for dental assistants.
Hepatitis B and tetanus are both important immunizations for dental assistants
T or F: Arrested Caries is decay whose progress has been stopped either by the body’s defense mechanism or through outside intervention.
true
A broad term for abnormal tissues in the oral cavity is
lesion
The _____ is made up of the structures that surround, support, and are attached to the teeth
periodontium
Chronic Inflammation is a slow, __________ process that may result in __________ tissue damage
ongoing ... permanent
An oral habit consisting of involuntary gnashing, grinding, and clenching of the teeth is _____.
bruxism
One part per million (ppm) of fluoride is approximately equivalent to one drop of fluoride in a _____ of water
bathtub
The cusp of Carabelli is found on the
maxillary first molars
The major effects of water fluoridation have been proven to be
topical
Acute Inflammation is the immediate and __________ protective response of the body to physical injury or invasion of pathogenic organisms
localized
Who originated the title of “surgeon dentist” and dispelled the theory that tooth decay was caused by tooth worms?
Pierre Fauchard
What type of microorganism can live and multiply only inside an appropriate host cell?
viruses
To avoid spreading bacteria that cause caries in a baby, a parent should not put anything into the baby’s mouth
that has been in his or her own mouth
The Dr. Samuel D. Harris National Museum of Dentistry is located in
Baltimore
_____ cannot be removed by the patient and must be removed by the dentist or the dental hygienist with scaling instruments
Calculus
Dental professionals generally recommend that patients use _____ toothbrushes
soft-bristled
Dissolution of calcium and phosphate from hydroxyapatite crystals is called
demineralization
Permanent maxillary molars have _____ roots
three
Smokeless tobacco is associated with
an increased incidence of tooth loss from periodontal disease
As a dental assistant, your first step as a partner in prevention with your patients is to
help patients understand what causes dental disease and how to prevent it
Periodontitis is differentiated from gingivitis by
loss of attachment
The caries process requires a susceptible tooth, a diet rich in _____, and _____.
fermentable carbohydrates; specific bacteria
The goal of preventive dentistry is to
help people of all ages to have the maximum oral health possible, throughout their lives
The carious lesions found frequently in elderly patients are
root caries
The _____ are the longest teeth in the permanent dentition and are known as the cornerstone of the dental arches
canines
The condition known as _____ refers to any teeth in excess of the 32 normal permanent teeth
supernumerary teeth
Foods that cause caries are known as
cariogenic
T or F:A-delta nerve fibers have a low threshold of pain
true
The specific group(s) of bacteria responsible for dental caries is/are
Lactobacilli, as well as mutans streptococci, are the bacteria mainly responsible for dental caries.
Mutans streptococci, as well as lactobacilli, are the bacteria mainly responsible for dental caries
Oral candidiasis is an opportunistic infection caused by
yeast
Bacteria that require oxygen in order to grow are called
aerobes
Microorganisms that produce disease in humans are known as
pathogens
Dental caries cannot occur without _____.
Dietary sugar is one of two elements that must be present for development of dental caries.
The presence of specific bacteria in the mouth is one of two elements that must occur for development of dental caries.
A condition characterized by abnormally large jaws is
macrognathia
A general term that literally means “white patch” is
leukoplakia
T OR F:The majority of dental emergencies are associated either with the dental pulp or the periodontal tissue
TRUE
The “Grand Old Man of Dentistry” was
G.V. Black
T OR F: C-type nerve fibers produces a type of pain that is dull, throbbing, and remain after stimuli is removed
TRUE
_____ is a soft mass of bacterial deposits that covers the tooth surface
plaque
The goal of a plaque control program is to thoroughly remove plaque at least _____ a day.
once
The common term for an aphthous ulcer is
canker sore
Which of the following are characteristics of gingivitis?
inflammation of gingival tissue
Patients should be cautioned about abnormal _____ of tooth structure over time, caused by vigorously scrubbing the teeth with any toothbrush
abrasion
Which infectious disease is a leading cause of death worldwide and is an occupational risk for healthcare workers?
tuberculosis
The caries process can be slowed or prevented by
using fluoride
Which of the following adult teeth is nonsuccedaneous?
mandibular left second molar
The disease that breaks down the body’s immune system and that is transmitted through bloodborne contact is
HIV
The leading cause of tooth loss in adults is
periodontal disease
T OR F: Root Caries is decay that occurs on root surfaces that are totally encased in bone
false
The most resistant form of life known is
A SPORE
Antibiotics are ineffective in treating disease caused by
viral infections
Fluoride that is ingested in water, food, beverages, or supplements is known as
systemic fluoride
A condition that results from chronic overexposure to fluoride is known as
fluorosis
The rounded enamel extensions on the incisal ridge of newly erupted central and lateral incisors are called
mamelons
The physicist who discovered x-rays in 1895 was
Wilhelm Conrad Roentgen
Since the 1950s, _____ has been the primary weapon in combatting dental caries
fluoride
Myelinated Low threshold Pain stops when stimuli is removed Pain is quick, sharp, momentary
A-Delta
High threshold Pain can be spontaneous Involves an inflammatory response within the pulp Pain is dull, throbbing, remains after stimuli removed
C-Delta
Pulp tissue is destroyed. Can occur from untreated irreversible pulpitis Thermal stimuli causes quick, sharp, hypersensitive response that subsides within seconds after stimuli is removed Not sensitive to percussion or palpation
Necrotic
Pain lingering once stimulated
Irreversible pulpitis
Remove cause, pulp heals, symptoms subside Cause related
Reversible Pulpitis
Asymptomatic Not sensitive to percussion or palpation
