NDAEB LATEST 2026 EXAM QUESTIONS AND ANSWERS
GRADED A+
✔✔Bell's Palsy is: - ✔✔paralysis of the facial nerve resulting in distortion on the affected
side of the face
✔✔Which is the chronic demyelinating disease of the CNS characterized by progressive
disability? - ✔✔Multiple Sclerosis
✔✔Which term is defined as the total number of breaths per minute? - ✔✔Rate
✔✔Which term best describes the horizontal distance between the anterior maxillary
teeth and the mandibular teeth when the teeth are in the fully closed position? -
✔✔Overjet
✔✔Which type of consent is given when a patient enters a dentist's office? - ✔✔Implied
Consent
✔✔Which type of dental bur helps to provide angles to the walls of a prepared tooth? -
✔✔Tapered Fissure
✔✔Which type of rotary cutting instrument shank has a small groove at the end that
locks into the contra angle attachment? - ✔✔Latch
✔✔Which instrument is used to measure loss of gingival attachment? - ✔✔Periodontal
Probe
✔✔Which fluoride can stain demineralized areas on teeth? - ✔✔Stannous Fluoride
✔✔What is the non-surgical removal of calculus and necrotic cementum from the root of
a tooth? - ✔✔Scaling & Root Planning
✔✔What provides additional support for a crown when there is extensive loss of tooth
structure? - ✔✔Post & Core
✔✔Which teeth are extracted using the cowhorn forceps? - ✔✔Mand. first and second
Molars
✔✔Which vitality test is performed by tapping on the incised or occlusal surface of the
tooth to determine the presence of periodical inflammation? - ✔✔Percussion
✔✔What is used in the low speed handpiece to place sealer and cements into the
canals during RCT? - ✔✔Lentulo Spiral
, ✔✔What is the appropriate curing time for light cured dental sealants? - ✔✔10 seconds
✔✔What is the permanent thermoplastic material used to obturate the pulpal canal
during RCT? - ✔✔Gutta Percha
✔✔What orthodontic device is placed approximately 1 week before the placement of
orthodontic bands? - ✔✔Separator
✔✔Which impression material should be selected to take an impression on a patient for
a diagnostic model? - ✔✔Alginate
✔✔Which dental cement contains oil of clove and has a sedative effect? - ✔✔Zinc
Oxide - Eugenol
✔✔Which material would be set out in preparation for placement of a temporary
restoration? - ✔✔IRM
✔✔What category of dental product is plaster of paris? - ✔✔Gypsum
✔✔A negative reproduction of the patients dental arch is referred to as a(n): -
✔✔Impression
✔✔Which bacteria are linked to dental caries? - ✔✔- Streptococcus Mutans
- Lactobacilli
✔✔What percent of sodium fluoride is contained in a non-prescription fluoride rinse? -
✔✔0.05%
✔✔A patient in the third trimester of pregnancy might experience _______ while lying in
a supine position in the dental chair? - ✔✔Hypotension
✔✔What medical emergency would require the use of epinephrine? - ✔✔Anaphylaxis
✔✔What fluoride binding agent should be given if a child is experiencing acute fluoride
toxicity? - ✔✔Milk
✔✔What supply would require a MSDS? - ✔✔Dental Cement
✔✔What are the only nutrients that can build & repair the body tissues? - ✔✔Proteins
✔✔A condition called ______ will result if an alginate impression absorbs additional
water by being stored in water or in a very wet paper towel: - ✔✔Imbibition
GRADED A+
✔✔Bell's Palsy is: - ✔✔paralysis of the facial nerve resulting in distortion on the affected
side of the face
✔✔Which is the chronic demyelinating disease of the CNS characterized by progressive
disability? - ✔✔Multiple Sclerosis
✔✔Which term is defined as the total number of breaths per minute? - ✔✔Rate
✔✔Which term best describes the horizontal distance between the anterior maxillary
teeth and the mandibular teeth when the teeth are in the fully closed position? -
✔✔Overjet
✔✔Which type of consent is given when a patient enters a dentist's office? - ✔✔Implied
Consent
✔✔Which type of dental bur helps to provide angles to the walls of a prepared tooth? -
✔✔Tapered Fissure
✔✔Which type of rotary cutting instrument shank has a small groove at the end that
locks into the contra angle attachment? - ✔✔Latch
✔✔Which instrument is used to measure loss of gingival attachment? - ✔✔Periodontal
Probe
✔✔Which fluoride can stain demineralized areas on teeth? - ✔✔Stannous Fluoride
✔✔What is the non-surgical removal of calculus and necrotic cementum from the root of
a tooth? - ✔✔Scaling & Root Planning
✔✔What provides additional support for a crown when there is extensive loss of tooth
structure? - ✔✔Post & Core
✔✔Which teeth are extracted using the cowhorn forceps? - ✔✔Mand. first and second
Molars
✔✔Which vitality test is performed by tapping on the incised or occlusal surface of the
tooth to determine the presence of periodical inflammation? - ✔✔Percussion
✔✔What is used in the low speed handpiece to place sealer and cements into the
canals during RCT? - ✔✔Lentulo Spiral
, ✔✔What is the appropriate curing time for light cured dental sealants? - ✔✔10 seconds
✔✔What is the permanent thermoplastic material used to obturate the pulpal canal
during RCT? - ✔✔Gutta Percha
✔✔What orthodontic device is placed approximately 1 week before the placement of
orthodontic bands? - ✔✔Separator
✔✔Which impression material should be selected to take an impression on a patient for
a diagnostic model? - ✔✔Alginate
✔✔Which dental cement contains oil of clove and has a sedative effect? - ✔✔Zinc
Oxide - Eugenol
✔✔Which material would be set out in preparation for placement of a temporary
restoration? - ✔✔IRM
✔✔What category of dental product is plaster of paris? - ✔✔Gypsum
✔✔A negative reproduction of the patients dental arch is referred to as a(n): -
✔✔Impression
✔✔Which bacteria are linked to dental caries? - ✔✔- Streptococcus Mutans
- Lactobacilli
✔✔What percent of sodium fluoride is contained in a non-prescription fluoride rinse? -
✔✔0.05%
✔✔A patient in the third trimester of pregnancy might experience _______ while lying in
a supine position in the dental chair? - ✔✔Hypotension
✔✔What medical emergency would require the use of epinephrine? - ✔✔Anaphylaxis
✔✔What fluoride binding agent should be given if a child is experiencing acute fluoride
toxicity? - ✔✔Milk
✔✔What supply would require a MSDS? - ✔✔Dental Cement
✔✔What are the only nutrients that can build & repair the body tissues? - ✔✔Proteins
✔✔A condition called ______ will result if an alginate impression absorbs additional
water by being stored in water or in a very wet paper towel: - ✔✔Imbibition
