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Dental Hygiene Final

Generate an image of a dental hygienist with tools in a modern dental office, engaging with a patient while explaining dental health concepts, bright and inviting atmosphere.

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!

100 Questions25 MinutesCreated by FlossingEagle742

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

A) Gingivitis occurs frequently in children but is usually reversible without having permanent damage. B) Periodontal disease cannot occur in children

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.

B) With anterior teeth, the initial insertion may be at the distal line angle or from the midline of the facial or lingual surfaces

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

A) The periodontal ligament is connective tissue and appears radiopaque in a radiograph.

B) Early furcation involvement may appear as a small radiolucent black area.

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.

A) Documentation in the patient's record is considered legal evidence in any legal action.

B) All information collected during the initial examination and during continuing patient appointments is official parts of the permanent record.

True, True

False, False

True, False

False, True

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.

A) Removal of stains is for esthetic, not for health reasons.

B)Stains on the teeth are etiologic factors for disease or destructive processes.

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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