NBDHE Mock Exam Questions With New
Update Solutions 2024/2025
/. Promising a patient treatment outcomes that might not be achievable is known as: -
Answer-breach of contract
/.advising the patient on benefits, risks, and expected outcomes of their proposed
treatment plan, prior to obtaining informed consent, promotes which principle? -
Answer-autonomy
/.the patient refuses to take the prescribed prophylactic premedication required before
dental hygiene treatment. The dental hygienist's decision not to treat the patient
exemplifies: - Answer-ethical dilemma
/.the founding principle of all health care profession is - Answer-non maleficence
/.Which type of supervision requires prior diagnosis of the patient's condition,
authorization of a procedure by a dentist, and the presence of a supervising dentist on
the premises? - Answer-indirect
/.which term best describes the intensity of a color? - Answer-chroma
/.a class IV restoration is found in/on the - Answer-gingival third or facial or lingual tooth
surface
/.Education for a patient who wears an obturator should include all the following
teaching points EXCEPT one. Which one is the EXCEPTION?
A: Food takes longer to clear the oral cavity
B: Soft-food consumption increases caries risk
C: Tenacious nature of nasal fluids promotes biofilm retention
D: Systemic fluorides are contraindicated due to risk of choking. - Answer-D
/.during placement of sealants, what is used as an etching agent? - Answer-35%
phosphoric acid
/.a 5 year old child presents to the dental office in a community in which water is not
fluoridated and the natural level of fluoride in the water is 0.2 ppm. Which of the
following daily dosages of sodium fluoride (NaF) supplement tablets should be
prescribed for this child? - Answer-0.50 mg NaF
/.the reestablishment of junctional epithelium after periodontal debridement occurs
within: - Answer-1-2 weeks
, /.which instrument is designed for the removal of fine deposits in a deep, narrow pocket
on the distal root surface of #28? - Answer-13/14 mini gracey currette
/.the type of periodontal bone grafting created from synthetic bone minerals is/an: -
Answer-alloplast
/.which regions of the dentition has the narrowest width of attached gingiva? - Answer-
mandibular premolars
/.All of the following conditions have oral manifestations EXCEPT one. Which one is the
EXCEPTION?
A: Cherubism
B: Laband syndrome
C: Cyclic neutropenia
D: Congestive heart failure
E: Papillon-Lefevre syndrome -
/.which fluoride is most appropriate for delivering in a custom tray for a patient
undergoing head and neck radiation? - Answer-neutral sodium fluoride
/.in which toothbrushing method are the bristles directed away from the gingiva toward
the occlusal or incisal edge? - Answer-charter
/.bacillus atropheus spores are specific spores used in biologic indicators to monitor
which type of sterilizer? - Answer-dry heat and ethylene gas
/.Which of the following conditions presents as a contraindication for the use of nitrous
oxide/oxygen conscious sedation?
A: Asthma
B: Apprehension
C: Cardiac conditions
D: History of substance abuse - Answer-D
/.a patient who has allergies to avocadoes, papayas, and chestnuts may be at risk for
which type of sensitivity ? - Answer-latex
/.which structure appears as a radiopaque line surrounding the root of the tooth? -
Answer-lamina dura
/.which mandibular anatomic landmark can be seen as a radiolucent area on a
mandibular premolar periapical image? - Answer-mental foramen
/.which is the unit used to measure radiation exposure? - Answer-roentgen (R)
/.a radiographic image will have increased density if the operator : - Answer-increases
kVp
Update Solutions 2024/2025
/. Promising a patient treatment outcomes that might not be achievable is known as: -
Answer-breach of contract
/.advising the patient on benefits, risks, and expected outcomes of their proposed
treatment plan, prior to obtaining informed consent, promotes which principle? -
Answer-autonomy
/.the patient refuses to take the prescribed prophylactic premedication required before
dental hygiene treatment. The dental hygienist's decision not to treat the patient
exemplifies: - Answer-ethical dilemma
/.the founding principle of all health care profession is - Answer-non maleficence
/.Which type of supervision requires prior diagnosis of the patient's condition,
authorization of a procedure by a dentist, and the presence of a supervising dentist on
the premises? - Answer-indirect
/.which term best describes the intensity of a color? - Answer-chroma
/.a class IV restoration is found in/on the - Answer-gingival third or facial or lingual tooth
surface
/.Education for a patient who wears an obturator should include all the following
teaching points EXCEPT one. Which one is the EXCEPTION?
A: Food takes longer to clear the oral cavity
B: Soft-food consumption increases caries risk
C: Tenacious nature of nasal fluids promotes biofilm retention
D: Systemic fluorides are contraindicated due to risk of choking. - Answer-D
/.during placement of sealants, what is used as an etching agent? - Answer-35%
phosphoric acid
/.a 5 year old child presents to the dental office in a community in which water is not
fluoridated and the natural level of fluoride in the water is 0.2 ppm. Which of the
following daily dosages of sodium fluoride (NaF) supplement tablets should be
prescribed for this child? - Answer-0.50 mg NaF
/.the reestablishment of junctional epithelium after periodontal debridement occurs
within: - Answer-1-2 weeks
, /.which instrument is designed for the removal of fine deposits in a deep, narrow pocket
on the distal root surface of #28? - Answer-13/14 mini gracey currette
/.the type of periodontal bone grafting created from synthetic bone minerals is/an: -
Answer-alloplast
/.which regions of the dentition has the narrowest width of attached gingiva? - Answer-
mandibular premolars
/.All of the following conditions have oral manifestations EXCEPT one. Which one is the
EXCEPTION?
A: Cherubism
B: Laband syndrome
C: Cyclic neutropenia
D: Congestive heart failure
E: Papillon-Lefevre syndrome -
/.which fluoride is most appropriate for delivering in a custom tray for a patient
undergoing head and neck radiation? - Answer-neutral sodium fluoride
/.in which toothbrushing method are the bristles directed away from the gingiva toward
the occlusal or incisal edge? - Answer-charter
/.bacillus atropheus spores are specific spores used in biologic indicators to monitor
which type of sterilizer? - Answer-dry heat and ethylene gas
/.Which of the following conditions presents as a contraindication for the use of nitrous
oxide/oxygen conscious sedation?
A: Asthma
B: Apprehension
C: Cardiac conditions
D: History of substance abuse - Answer-D
/.a patient who has allergies to avocadoes, papayas, and chestnuts may be at risk for
which type of sensitivity ? - Answer-latex
/.which structure appears as a radiopaque line surrounding the root of the tooth? -
Answer-lamina dura
/.which mandibular anatomic landmark can be seen as a radiolucent area on a
mandibular premolar periapical image? - Answer-mental foramen
/.which is the unit used to measure radiation exposure? - Answer-roentgen (R)
/.a radiographic image will have increased density if the operator : - Answer-increases
kVp
