National Dental Hygiene Board Examination Questions with
Complete Answers.
Veracity - Correct Answer Telling the truth and expecting it of others
Autonomy - Correct Answer Dealing with the Patient, NOT the practitioner
Beneficene - Correct Answer (DO GOOD) Promoting the well being of individuals and the
public.
Justice - Correct Answer Providing everyone access to high quality, affordable health care
Nonmaleficence - Correct Answer (DO NO HARM) Deals with the practitioner
Civil Offense (Law Suit) - Correct Answer Wrongful offense against a person
What are the most common dental lawsuits? - Correct Answer A.) Dental Injection B.)
Adverse drug reactions C.) Failure to diagnoses (Perio/ Oral Cancer)
What is the best way to avoid a law suit in dentistry? - Correct Answer Document, chart &
communicate
Implied Consent (CONTRACT) - Correct Answer An agreement made through signs,
inaction or silence
Expressed consent (CONTRACT) - Correct Answer Oral or written agreement
Abandonment - Correct Answer Dismissal of the patient without ample and proper
notification
Assault (TORT) - Correct Answer THREATENING bodily harm
Battery - Correct Answer CAUSING bodily harm
What are examples of battery in dentistry? - Correct Answer Placing sealants or taking
radiographs on a minor without permission.
,Defamation - Correct Answer Damaging a persons reputation
Negligence - Correct Answer Failure to do what a reasonable person would do.
Libel Defamation - Correct Answer Written (Yelp Review)
Slander Defamation - Correct Answer Spoken (He said she said)
OSHA - Correct Answer Develops the universal/ standard precaution protocols for dental
employees.
HIPAA - Correct Answer Maintains patient confidentiality, Signed 1 time. Office must
provide Pt. with HIPAA policies every 3 years.
CDC - Correct Answer Recommends infection control protocol and conducts research for
determined how diseases are transmitted.
COBRA - Correct Answer Give indiv. the right to keep the group health ins. if they lose their
job for 18 mos. after.
What are some examples of regulated, biohazard waste? - Correct Answer Sharps, items
dripping in blood/ saliva or hard tissues removed from the patients mouth.
What are the items of PPE? - Correct Answer Mask, Gloves, Eyewear and Protective
clothing.
Aerosol - Correct Answer INVISIBLE, Airborne particles
Spatter - Correct Answer Visible, Airborne Particles
Disinfectants - Correct Answer Kill/ inactivate MOST pathogenic microbes, NOT spores
What are good qualities of a disinfectant? - Correct Answer Rapid, broad spectrum,
odorless, non-toxic, EPA registered, cleans and disinfects.
,Chlorine-based Disinfectant Compound - Correct Answer Corrosive to metal and has a
strong odor
Iodophor Disinfectant Compound - Correct Answer Can discolor some surfaces yellow
Phenol Disinfectant Compound - Correct Answer H2O or Alcohol Based, May leave a film/
residue
Quanternary Disinfectant Compound - Correct Answer NOT corrosive, but HAS A LOWER
KILL SPECTRUM
What Disinfectant Compound Should not be used due to its toxic effects? - Correct Answer
Glutaraldehydes
High levels of disinfectants are used when? - Correct Answer Surgical purposes
Intermediate levels of disinfectants are used when? - Correct Answer *Dental Offices, BUT
MUST KILL TB
Low levels of disinfectants are used when? - Correct Answer Home use
Sterilization - Correct Answer Kills ALL pathogenic microbes INCLUDING SPORES
Chemical Sterilization - Correct Answer Min. temp. 273 degrees F for 20 mins. with a
pressure of kPA/25 PSI
What are some considerations for chemical sterilization? - Correct Answer Ventilation, May
damage RUBBER & PLASTIC items, ST: Geobacillus
Dry Heat Sterilization - Correct Answer 340 degrees F for 1 hour or 320 degrees F for 2
hours.
What are some dry heat sterilization considerations? - Correct Answer METAL
INSTRUMENTs, avoid paper, May damage rubber and plastic, NOT rec. for hand pieces
ST: Bacillus Atrophaeus
Steam Sterilization - Correct Answer Rec. 250 degrees F with 15-20 PSI for 30 mins
, What are some steam sterilization considerations? - Correct Answer CORRODES non-
stainless steel instruments, dulls burs, okay for SOME paper products, ST: Geobacillus
What is an External Indicator? - Correct Answer Tape/ packing material that changes color
to indicate that the instruments have been processed. NOTE* Sterilization is NOT
guaranteed.
Class I Caries/ Restoration - Correct Answer Pits/ fissures on the lingual surfaces of
anteriors and on the occlusal, buccal and linguals of posteriors
Class II Caries/Restoration - Correct Answer Proximal surfaces of posteriors; involving the
occlusal surfaces
Class III Caries/ Restoration - Correct Answer Proximal surface of anteriors, DOES NOT
included incisal edge
Class IV Caries/ Restoration - Correct Answer Proximal surface of anteriors, INCLUDES
incisal edge
Class V Caries/ Restoration - Correct Answer Cervical 1/3 of facial/ lingual surfaces of ANY
tooth
Class VI Caries/ Restoration - Correct Answer Incisal edge of the anteriors and/or cusp tip of
posteriors
Class I Occlusion (Normal)-Mesognathic - Correct Answer
Class II Occlusion Div. I- Retrognathic - Correct Answer
Class II Occlusion Div. II - Correct Answer
Class III Occlusion - Prognathic - Correct Answer
Overbite - Correct Answer VERTICAL overlap of the maxillary incisors to the mandibular
incisors
Complete Answers.
Veracity - Correct Answer Telling the truth and expecting it of others
Autonomy - Correct Answer Dealing with the Patient, NOT the practitioner
Beneficene - Correct Answer (DO GOOD) Promoting the well being of individuals and the
public.
Justice - Correct Answer Providing everyone access to high quality, affordable health care
Nonmaleficence - Correct Answer (DO NO HARM) Deals with the practitioner
Civil Offense (Law Suit) - Correct Answer Wrongful offense against a person
What are the most common dental lawsuits? - Correct Answer A.) Dental Injection B.)
Adverse drug reactions C.) Failure to diagnoses (Perio/ Oral Cancer)
What is the best way to avoid a law suit in dentistry? - Correct Answer Document, chart &
communicate
Implied Consent (CONTRACT) - Correct Answer An agreement made through signs,
inaction or silence
Expressed consent (CONTRACT) - Correct Answer Oral or written agreement
Abandonment - Correct Answer Dismissal of the patient without ample and proper
notification
Assault (TORT) - Correct Answer THREATENING bodily harm
Battery - Correct Answer CAUSING bodily harm
What are examples of battery in dentistry? - Correct Answer Placing sealants or taking
radiographs on a minor without permission.
,Defamation - Correct Answer Damaging a persons reputation
Negligence - Correct Answer Failure to do what a reasonable person would do.
Libel Defamation - Correct Answer Written (Yelp Review)
Slander Defamation - Correct Answer Spoken (He said she said)
OSHA - Correct Answer Develops the universal/ standard precaution protocols for dental
employees.
HIPAA - Correct Answer Maintains patient confidentiality, Signed 1 time. Office must
provide Pt. with HIPAA policies every 3 years.
CDC - Correct Answer Recommends infection control protocol and conducts research for
determined how diseases are transmitted.
COBRA - Correct Answer Give indiv. the right to keep the group health ins. if they lose their
job for 18 mos. after.
What are some examples of regulated, biohazard waste? - Correct Answer Sharps, items
dripping in blood/ saliva or hard tissues removed from the patients mouth.
What are the items of PPE? - Correct Answer Mask, Gloves, Eyewear and Protective
clothing.
Aerosol - Correct Answer INVISIBLE, Airborne particles
Spatter - Correct Answer Visible, Airborne Particles
Disinfectants - Correct Answer Kill/ inactivate MOST pathogenic microbes, NOT spores
What are good qualities of a disinfectant? - Correct Answer Rapid, broad spectrum,
odorless, non-toxic, EPA registered, cleans and disinfects.
,Chlorine-based Disinfectant Compound - Correct Answer Corrosive to metal and has a
strong odor
Iodophor Disinfectant Compound - Correct Answer Can discolor some surfaces yellow
Phenol Disinfectant Compound - Correct Answer H2O or Alcohol Based, May leave a film/
residue
Quanternary Disinfectant Compound - Correct Answer NOT corrosive, but HAS A LOWER
KILL SPECTRUM
What Disinfectant Compound Should not be used due to its toxic effects? - Correct Answer
Glutaraldehydes
High levels of disinfectants are used when? - Correct Answer Surgical purposes
Intermediate levels of disinfectants are used when? - Correct Answer *Dental Offices, BUT
MUST KILL TB
Low levels of disinfectants are used when? - Correct Answer Home use
Sterilization - Correct Answer Kills ALL pathogenic microbes INCLUDING SPORES
Chemical Sterilization - Correct Answer Min. temp. 273 degrees F for 20 mins. with a
pressure of kPA/25 PSI
What are some considerations for chemical sterilization? - Correct Answer Ventilation, May
damage RUBBER & PLASTIC items, ST: Geobacillus
Dry Heat Sterilization - Correct Answer 340 degrees F for 1 hour or 320 degrees F for 2
hours.
What are some dry heat sterilization considerations? - Correct Answer METAL
INSTRUMENTs, avoid paper, May damage rubber and plastic, NOT rec. for hand pieces
ST: Bacillus Atrophaeus
Steam Sterilization - Correct Answer Rec. 250 degrees F with 15-20 PSI for 30 mins
, What are some steam sterilization considerations? - Correct Answer CORRODES non-
stainless steel instruments, dulls burs, okay for SOME paper products, ST: Geobacillus
What is an External Indicator? - Correct Answer Tape/ packing material that changes color
to indicate that the instruments have been processed. NOTE* Sterilization is NOT
guaranteed.
Class I Caries/ Restoration - Correct Answer Pits/ fissures on the lingual surfaces of
anteriors and on the occlusal, buccal and linguals of posteriors
Class II Caries/Restoration - Correct Answer Proximal surfaces of posteriors; involving the
occlusal surfaces
Class III Caries/ Restoration - Correct Answer Proximal surface of anteriors, DOES NOT
included incisal edge
Class IV Caries/ Restoration - Correct Answer Proximal surface of anteriors, INCLUDES
incisal edge
Class V Caries/ Restoration - Correct Answer Cervical 1/3 of facial/ lingual surfaces of ANY
tooth
Class VI Caries/ Restoration - Correct Answer Incisal edge of the anteriors and/or cusp tip of
posteriors
Class I Occlusion (Normal)-Mesognathic - Correct Answer
Class II Occlusion Div. I- Retrognathic - Correct Answer
Class II Occlusion Div. II - Correct Answer
Class III Occlusion - Prognathic - Correct Answer
Overbite - Correct Answer VERTICAL overlap of the maxillary incisors to the mandibular
incisors
