Dental Hygiene Final
Dental Hygiene Final Quiz
Test your knowledge and skills in dental hygiene with our comprehensive final quiz! This quiz covers a wide range of topics to ensure you are well-equipped for your dental practice.
- Assess your understanding of dental terms and concepts.
- Prepare for certification with targeted questions.
- Challenge yourself and improve your knowledge!
The loss of tooth substance by a chemical process that does not involve known bacterial action is known as:
Erosion
Attrition
Bruxism
Enamel hyperplasia
A defect that occurs as a result of a disturbance in the formation of the organic enamel matrix is known as:
Erosion
Attrition
Bruxism
Enamel hyperplasia
The wearing away of a tooth as a result of tooth-to-tooth contact is known as:
Abfraction
Erosion
Enamel hyperplasia
Attrition
What is a cervical lesion caused by occlusal stresses or tooth flexure from bruxing called?
Enamel hyperplasia
Abfraction
Erosion
Attrition
During an exam you notice that your patient's left mandibular second premolar (#20) is facial to the maxillary left second premolar (#13); this condition is called:
Overbite
Underbite
Overjet
Crossbite
Suppuration is the formation of pus.
True
False
An obturator is a prosthesis designed to close a congenital or acquired opening such as a cleft of the hard palate, an area lost due to trauma, or after surgery for removal of a diseased area.
True
False
Prognosis is considered a look ahead to an anticipated ________ or end point expected from the dental hygiene intervention selected for an individual patient.
Outcome
Excuse
Incitation
Causation
What is a loosely adherent mass of bacteria and cellular debris and is white or grayish-white in appearance?
Dental plaque
Material alba
Calculus
Acquired pellicle
Dental fluorosis is:
Abnormal dentin formation
Overuse of antibiotics by pregnant mothers
Enamel hypomineralization resulting from ingestion of excessive fluoride during tooth mineralization
Yellowing of the teeth associated with the aging process
The clinical crown is the part of the tooth below the attached periodontal tissues. The clinical root is the part of the tooth below the base of the gingival sulcus or periodontal pocket.
True, False
False, True
True, True
False, False
What is a Class I embrasure?
The tip of the interdental papilla is apical to the contact point of adjacent teeth, but the inter proximal CEJ is not visible
The tip of the interdental papilla is at or apical to the interproximal CEJ, but coronal to the height of the facial CEJ
Complete loss of the interdental papilla due to extensive gingival recession.
Gingival tissue fills the area
What is the definition of erythema?
White area of variable size and shape
Black area of variable size and shape
Red area of variable size and shape
Black and blue area of variable size and shape
Which of the following is an example of a compound cavity?
Occlusal cavity
Mesial-occlusal cavity
Facial cavity
Mesial-occlusal-distal cavity
When molars and premolars occlude cusp to cusp as viewed mesiodistally, this is classified as:
Crossbite
Edge-to-edge bite
Overjet
End-to-end bite
The gingival sulcus is the:
Shallow linear groove that demarcates the free from the attached gingiva
Cufflike band of stratified squamous epithelium
Crevice between the free gingiva and the tooth
Narrow fold of mucous membrane that passes from a more fixed to a movable part
A pocket is:
Healthy gingiva sulcus
Diseased gingival sulcus
A calculus deposit
A plaque deposit
A) A periodontal pocket is a pocket formed by gingival enlargement without apical migration of the junctional epithelium. B) A gingival pocket is a pocket formed as a result of disease or degeneration that caused the junctional epithelium to migrate along the cementum.
Statement A is true and statement B is false
Statement A is false and statement B is true
Both statements are true
Both statements are false
A sulcus or a pocket has a gingival side and a tooth side. The gingival side is:
Sulcular epithelium
Smooth muscle
Stiated epithelium
Stressed epithelium
When should you typically schedule continuing care appointments for your patients:
As needed
Every year
Once every six months
Every 2-3 months
Which instrument would be safest to use to detect caries on a demineralized surface?
Dental explorer
Gracey 13/14
Shepherd's hook
Probe
Which area-specific Gracey curette would be used for the distal of tooth #31?
Gracey 13/14
Gracey 11/12
Probe
Explorer
Which of the following is not a source for determining standard of care in a legal dispute?
Opinion of expert witnesses
Journals from recognized professional associations
Federal, state, or local statues and/or regulations
Opinion of the staff of the dental practice in question
Which hepatitis virus comes from contaminated meat/or water with feces, and other contaminated food/drinks?
Hepatitis A
Hepatitis E
Hepatitis D
Hepatitis C
What are the two types of dental caries described by location:
Pit and fissure, and smooth surface
Pit and fissue
Interproximal and surface
None of the above
What is ASA III physical status?
A normal healthy patient
A patient with mild systemic disease that is controlled
A patient with a severe systemic disease that limits activity but is not incapacitating
A moribund patient who is not expected to survive for 24 hours with or without operation
A patient with an incapacitating systemic disease that is a constant threat to life.
Class I furcation means early beginning involvement where with the probe one can feel just beginning of a furcation dentation
True
False
The purpose of tissue conditioning is to encourage gingival healing and minimize bleeding.
True
False
What is NOT a risk factor for oral cancer?
Calculus
Tobacco use
Excessive alcohol use
Sun exposure
Multiple sex partner
The incidence of gingivitis is greatest in what area?
Posterior palatal tissues
Anterior facial tissues
Gingival margin
Interdental tissues
Informed consent carries which characteristic?
Addresses risks of doing or not doing procedures
Rescheduling patient until they are ready for treatment
Addressing the consequences of non treatment only
None of the above
You have a pregnant patient in the dental chair. She said that her sister took fluoride supplements while she was pregnant to help her child have fewer cavities when his permanent teeth come in. What should you tell this patient?
Agree with her and provide her with the fluoride supplemets
The permanent teeth do not form until after birth so this will not help with a child's permanent teeth.
That she needs to confirm that with her dentist
Which types of hepatitis are spread through blood transmission?
Hepatitis B and C
Hepatitis C only
Hepatitis A and B
Hepatitis B only
Collecting personal, dental, and health history information pertains to which standard for delivery of dental hygiene care as defined by the ADHA Standards for Clinical Dental Hygiene Practice?
Standard 1 Assessment
Standard 2 Assessment
Standard 3 Assessment
The technique used with the periodontal probe is:
Running stroke
Jogging stroke
Walking stroke
Sliding stroke
Stratified squamous epithelium is mostly located on the dorsum of the tongue.
True
False
Ultrasonic processing is not a substitute for sterilization. Ultrasonic processing is a cleaning process.
True
False
A blood pressure reading of 140/99 would be in which classification?
Normal
Elevated
Prehypertension
Stage 1
A blood pressure reading of 166/99 would be in which classification?
Stage 1
Stage 2
Prehypertension
Elevated
A blood pressure reading of 90/65 would be in which classification?
Normal
Stage 1
Stage 2
Elevated
When biofilm is left undisturbed on the tooth surface, gingivitis develops within:
1 day
2 days
7 hours
10 to 21 days
Biofilm occurs least frequently:
On proximal surfaces
At the gingival margin
Around the gingival third of the tooth
On anterior surfaces
Critical pH for enamel demineralization averages:
4.5-5.5
6.2 to 7.0
6.0 to 6.4
None of these are correct
Your patient John informs you that he only drinks one can of soda all day because he sips slowly throughout the day. During Oral Homecare Instruction, what should you tell him?
"Large amounts of sucrose eaten at mealtime is more cariogenic"
"Small amounts of sucrose eaten at frequent intervals is less cariogenic"
"Small amounts of sucrose eaten at frequent intervals is more cariogenic"
None of these are correct
What is true of dental calculus?
Dental calculus can form on dentures
Deltal calculus can only form on the crown or root of the tooth
Dental calculus cannot form on bridges
Dental calculus cannot form on occlusal surfaces of the tooth
What are the steps for calculus formation, in chronological order?
Pellicle formation, biofilm formation, mineralization
Biofilm formation, mineralization, pellicle mation
Mineralization, biofilm formation, pellicle formation
What is the most highly mineralized tissue in the body?
Cementum
Bone
Dentin
Enamel
What do calculus-control ("tartar-control") dentifrices contain?
A calcium
A pyrophosphate or zinc system
Sodium fluoride
A stannous fluoride system
Heavy calculus formers have higher salivary levels of calcium and phosphorous than do light calculus formers. Light calculus formers have higher levels of pyrophosphate
Both statements true
Both statements false
First statement is true and the second is false
First statement is false and the second one is true
What is the only professional topical fluoride to be used for children under the age of 6 years
Sodium fluoride gel
Varnish
Stannous fluoride
Acidulated phosphate fluoride
Calculus occurs most frequently on:
Lingual surfaces of maxillary molars
Facial surfaces of maxillary molars
Lingual surfaces of maxillary incisors
None of these are correct
White spots on a single tooth due to ameloblastic disturbance are called?
Local enamel hypoplasia
Dentinogenesis imperfecta
Decalcification
Dental fluorosis
The betel leaf is commonly used by people of all ages in Eastern countries. Which one of the following is true?
The betel leaf causes decalcification.
The betel leaf has a caries-inhibiting effect.
The betel leaf causes a yellow stain on the tooth.
The betel leaf causes a green stain on the tooth.
Which of the following statements is TRUE of pulpless teeth?
All pulpless teeth discolor
Not all pulpless teeth discolor
Pulpless teeth can cause frequent pain
None of these is correct
The function of cementum is to:
Seal the tubules of the root dentin and provide attachment for the periodontal fiber groups
Provide attachment for the periodontal fiber groups only
Seal the tubules of the enamel
Provide attachment for the dentin
The junctional epithelium is a band of stratified squamous epithelium that is continuous with the sulcular epithelium and completely encircles the tooth
True
False
Which of the following should NOT be designated as clinically normal or clinically healthy?
Shade of pale or coral pink varied by complexion and pigmentation
Knife-edged gingiva margin that adapts closely around the tooth
Smooth, soft, and maximal sulcus depth with bleeding when probed
Stipping, firmness, and minimal sulcus debth with no bleeding when probed
Signs of health in the gingiva include all of the following, except:
Pale pink color
Fit snugly around the tooth
Knife-edged margin
Firm when palpated
Bleeding on probing
Fluid-filled denim tubules transmit fluid disturbances through the mechanism known as hydraulic conductance
True
False
A) Floss cleft is created by using the floss correctly. B) Stillman's cleft is localized recession that may be in a V-shape that extends several millimeters toward the mucogingival junction.
True, False
False, True
True, True
False, False
The shepherd's hook explorer is commonly used for examining:
Pits and tissues and smooth surfaces
Concave areas
Incisal edge
Proximal surfaces
Why would a dental hygienist dry supra gingival calculus with an air syringe?
To detect the gingival margin
To facilitate exploring and scaling
To identify areas of demineralization
To recognize location and condition of restorations
A) A probe is a slender instrument with a rough, pointed tip designed for examination of the depth and topography of a gingival sulus or periodontal pocket
B) A probe has three parts: the handle, the angled shank, and the working end
True, True
False, False
True, False
False, True
A) With molars and premolars, the probe is oriented at the distal line angle for both facial and lingual application.
True, True
False, True
True, False
False, False
The working end of an explorer is _______________ that is circular in cross section and tappers to a fine sharp point
Slender wire-like metal tip
Thick, stringlike, metal tip
Slender, flosslike, plastic tip
Thick, wirelike, plastic tip
False, False
False, True
True, True
True, False
What part of an instrument design provides good tactile sensitivity?
Moderately flexible shank
Rigid shank
Flexible shank
Hollow metal handle
What systemic fluoride delivery methods would be considered most economical?
Dietary fluoride supplements
Naturally occurring in foods
Community water fluoridation
Professional fluoride treatment
Which of the following enamel surfaces will absorb the most fluoride when exposed in the oral environment?
Sound enamel on the facial surface of #8
The palatal root of the maxillary first molar
Demineralized enamel on the facial surface of #30
Exposed enamel in the furcation area of #19
After all external material has been removed from tooth surfaces, the acquired pellicle forms:
Within minutes/30 to 90 mins
Within 1 hour
Within 8 hours
Within 24 hours
What is a benefit of post-eruptive benefit of fluoride exposure?
Prevent demineralization, encourage remineralization, can inhibit the initiation and progression of dental caries
Contribute to shallower occlusal grooves and reduce risk of fissure caries
Inhibit demineralization and contribute to shallower occlusal groves
None of the above
Which of the following is a moderate risk factor for dental caries?
No or few medications
Multiple restorations
Dentally aware
Uses xylitol gum between meals
Which of the following is NOT true of dental caries?
Caries is an infectious disease
Caries is a transmissible disease
Caries is an eradicated disease
Caries is a preventable disease
Which of the following bacteria are the infectious organisms that colonize the teeth, help to form dental biofilm, and are responsible for the dental caries process?
Bacteroides forsythus
Streptococcus mutans
Prevotella intermedia
Streptococcus intermedius complex
Saliva has many protective functions in the oral cavity. Which of the following is the most important protective property of saliva in the caries process?
Buffering of acids
Aid in digestion
Aid in speech
Carrier of antibodies
Which instrument would be used to scale the mesial aspect of the buccal furcation on tooth #30?
Explorer
Gracey 11/12
Gracey 13/14
None of the above
Where are traumatic toothbrush lesions (recession) frequently found?
Around anterior frenum
Over canines and premolars
Over molars
around mandibular frenum
There are many variations in the design of area-specific curets. Which of the following objectives would be helpful in the design of area-specific curets?
To facilitate access to heavy supragingival calculus
To conform to the curvatures of roots
Increased length of the instrument handle
Shortened terminal shank for deeper pockets
V-shaped back to facilitate sharpening
When scaling with a curet, the ideal angulation formed between the instrument face and tooth surface should be:
15 degrees
35 degrees
50 degrees
70 degrees
90 degrees
Documentation in the patient's record is considered legal evidence in any legal action
True
False
All information collected during the initial examination and during continuing patient appointments is official parts of the permanent record.
True
False
Which of the following would not be charted in the patient's periodontal record?
The location of lymph nodes
Missing teeth
the location of bridges, pontics, and implants
Probing depths
Which tooth numbering system was adopted by the American Dental Association?
The Universal Numbering System
Zsigmondy-Palmer system
FDI system numbering system
None of the above
Dental caries is charted in:
Blue
Circle with red
Red
Black line
A person's health is not static; therefore, a health history must be updated when or how often?
At each and every appointment
Annually
At every recall appointment
At the initial appointment
Which of the following is the best way to obtain a complete patient history?
By use of a quationnaire
By use of an interview
A combination of questionnaire and interview
Neither
Which of the following is true for dental patient records?
Handwritten records are recorded in shorthand abbreviation in red and blue pencil
Mistakes are erased and initiated
Paper records handwritten have historically been how dental records are maintained
Late entries are written in the margins at the beginning of the record.
Which is the lowest number in the blood pressure reading?
Diastolic
Pulse
Systolic
None of the above
The purpose of proximal contact is;
To prevent food impaction
To stabilize the position of teeth in the dental arch
To prevent drifting
All of these are correct
Which of the following is a depressed lesion?
Papule
Ulcer
Nodule
Vesicle
A) A tumor is 1 cm or less in width. B) A nodule is greater than 5 mm but less than 2 cm in diameter?
True, True
False, True
False, False
True, False
The determination of the classification of occlusion is based on the principles of
Occlusion
Radiographs
Edward Angle
G.V. Black
A refractory case is one that is:
Often undiagnosed.
Considered treatment resistant.
Seen twice a year.
All of the above.
True, True
True, False
False, False
False, True
What color do we chart existing restorations in Dentrix?
Blue
Red
Black
Green
How much of the outer enamel may be removed when polishing for 30 seconds with a pumice paste?
A few micrometers
3 centimeters
1 centimeter
2 micrometers
What is the most widely accepted method of toothbrushing intended to remove dental biofilm adjacent to and directly beneath the gingival margin?
Bass
Modified Bass
Fones
Stillman
Your patient, Kathy, is in for her maintenance appointment; she recently purchased some tartar-control toothpaste, and it seems to be working for her. She asks you, "How does it prevent tartar from forming" You respond:
"it prevents the buildup of saliva"
"it prevents pellicle formation"
"It contains fluoride, which helps to prevent decalcification"
"it contains pyrophosphate"
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