NDAEB COMPREHENSIVE 2026 EXAM QUESTIONS AND
ANSWERS GRADED A+
✔✔The single rooted teeth located at the front of the mouth are the: - ✔✔Incisors
✔✔The bony ridge over the facial portion of the canine is the: - ✔✔Canine Eminence
✔✔Another term for premolars is: - ✔✔Bicuspids
✔✔The dental arch that is capable of movement through the action of the TMJ is the: -
✔✔Mandible
✔✔The dental arch is often divided into six sections called: - ✔✔Sextants
✔✔The lingual surfaces of the teeth are those surfaces that are closest to the: -
✔✔Tongue
✔✔The proximal surfaces of the teeth are those surfaces that are: - ✔✔Next to an
adjacent tooth
✔✔The area between adjacent tooth surfaces is called the: - ✔✔Interproximal Space
✔✔The junction of _____ surfaces forms a point angle. - ✔✔Three
✔✔If a tooth has an inadequate contour, the gingiva may be damaged. - ✔✔True
✔✔The height of contour is the: - ✔✔Bulge or widest point on a specific surface of the
crown
✔✔An embrasure may diverge in which direction(s)? - ✔✔- facially
- occlusally
- apically
✔✔The term to describe the condition when there is maximal stable contact between
the occluding surfaces of the maxillary and mandibular teeth is: - ✔✔Centric Occlusion
✔✔The normal spaces between the primary teeth are called: - ✔✔Primate Space
✔✔How many teeth are in the primary dentition? - ✔✔20
✔✔The cusp of Carabelli is found on which teeth? - ✔✔Maxillary 1st Molars
✔✔At approximately what age is the last primary tooth shed? - ✔✔12
,✔✔There are no premolars in the primary dentition. - ✔✔True
✔✔The lobe on the lingual surface of a permanent incisor is called a(n) - ✔✔Cingulum
✔✔How many molars are in the permanent dentition? - ✔✔12
✔✔A tooth that has three well-separated and well-developed roots is termed: -
✔✔Trifurcated
✔✔In general, third molars are larger in size than any other molar. - ✔✔False
✔✔The numbering system that uses numbers 1-31 is the _________ system. -
✔✔Universal
✔✔The numbering system in which the first digit indicates the quadrant and the second
number indicates the tooth is the _______ system. - ✔✔Federation Dentaire
International Numbering System (FDI)
✔✔The labial commissure is the: - ✔✔angle at the corner of the mouth where the upper
and lower lips join
✔✔It is important to protect the lips with sunscreen because sun exposure increases
the risk of cancerous changes. - ✔✔True
✔✔Fordyce's spots or granules are: - ✔✔- normal variations that sometimes appear on
the buccal mucosa
- small yellowish elevations
✔✔The interdental gingiva is also known as: - ✔✔Gingival Papilla
✔✔Which of the following are functions of the tongue? - ✔✔- speech
- cleansing of the oral cavity
- taste
- swallowing
✔✔The receptors for the taste of sweet are located: - ✔✔on the tip of the tongue
✔✔The hanging projection of tissue at the border of the soft palate is the: - ✔✔Uvula
✔✔Which bones make up part of the orbit at the inner angle of the eye? - ✔✔Lacrimal
, ✔✔The ________ is the region of the mesial or distal surfaces of a tooth that touches
the adjacent tooth in the same arch. - ✔✔Contact point
✔✔An angle formed by the junction of three surfaces at one point is called: - ✔✔Point
Angle
✔✔Proper occlusion of the erupting permanent teeth is dependent on that of the
primary teeth as they are shed. - ✔✔True
✔✔Class II occlusion is also known as: - ✔✔Distoclusion
✔✔The curvature formed by the maxillary and mandibular arches in occlusion is known
as the: - ✔✔Curve of Spee
✔✔In the Universal Numbering System, the maxillary right later incisor is number: -
✔✔7
✔✔In the Universal Numbering System, the mandibular left second premolar is number:
- ✔✔20
✔✔What permanent cement would most commonly be selected for cementing a
stainless steel crown on a primary tooth that provides a good overall strength and
nonirritating quality? - ✔✔Polycarboxylate
✔✔Copal Varnish ______ acceptable for placement under an amalgam restoration. -
✔✔Is
✔✔Zinc oxide-eugenol cement can be used as a: - ✔✔- temporary cement
- sedative base
✔✔When mixing the dental cements, the powder to liquid ratio depends on the: -
✔✔Intended use of the material
✔✔When ready for use, properly mixed polycarboxylate cement should appear: -
✔✔Glossy
✔✔A restoration of IRM can last up to: - ✔✔Several months
✔✔A(n) ______ base is placed to soothe the pulp that has been irritated by decay,
injury, or the trauma of the cavity preparation. - ✔✔Sedative
ANSWERS GRADED A+
✔✔The single rooted teeth located at the front of the mouth are the: - ✔✔Incisors
✔✔The bony ridge over the facial portion of the canine is the: - ✔✔Canine Eminence
✔✔Another term for premolars is: - ✔✔Bicuspids
✔✔The dental arch that is capable of movement through the action of the TMJ is the: -
✔✔Mandible
✔✔The dental arch is often divided into six sections called: - ✔✔Sextants
✔✔The lingual surfaces of the teeth are those surfaces that are closest to the: -
✔✔Tongue
✔✔The proximal surfaces of the teeth are those surfaces that are: - ✔✔Next to an
adjacent tooth
✔✔The area between adjacent tooth surfaces is called the: - ✔✔Interproximal Space
✔✔The junction of _____ surfaces forms a point angle. - ✔✔Three
✔✔If a tooth has an inadequate contour, the gingiva may be damaged. - ✔✔True
✔✔The height of contour is the: - ✔✔Bulge or widest point on a specific surface of the
crown
✔✔An embrasure may diverge in which direction(s)? - ✔✔- facially
- occlusally
- apically
✔✔The term to describe the condition when there is maximal stable contact between
the occluding surfaces of the maxillary and mandibular teeth is: - ✔✔Centric Occlusion
✔✔The normal spaces between the primary teeth are called: - ✔✔Primate Space
✔✔How many teeth are in the primary dentition? - ✔✔20
✔✔The cusp of Carabelli is found on which teeth? - ✔✔Maxillary 1st Molars
✔✔At approximately what age is the last primary tooth shed? - ✔✔12
,✔✔There are no premolars in the primary dentition. - ✔✔True
✔✔The lobe on the lingual surface of a permanent incisor is called a(n) - ✔✔Cingulum
✔✔How many molars are in the permanent dentition? - ✔✔12
✔✔A tooth that has three well-separated and well-developed roots is termed: -
✔✔Trifurcated
✔✔In general, third molars are larger in size than any other molar. - ✔✔False
✔✔The numbering system that uses numbers 1-31 is the _________ system. -
✔✔Universal
✔✔The numbering system in which the first digit indicates the quadrant and the second
number indicates the tooth is the _______ system. - ✔✔Federation Dentaire
International Numbering System (FDI)
✔✔The labial commissure is the: - ✔✔angle at the corner of the mouth where the upper
and lower lips join
✔✔It is important to protect the lips with sunscreen because sun exposure increases
the risk of cancerous changes. - ✔✔True
✔✔Fordyce's spots or granules are: - ✔✔- normal variations that sometimes appear on
the buccal mucosa
- small yellowish elevations
✔✔The interdental gingiva is also known as: - ✔✔Gingival Papilla
✔✔Which of the following are functions of the tongue? - ✔✔- speech
- cleansing of the oral cavity
- taste
- swallowing
✔✔The receptors for the taste of sweet are located: - ✔✔on the tip of the tongue
✔✔The hanging projection of tissue at the border of the soft palate is the: - ✔✔Uvula
✔✔Which bones make up part of the orbit at the inner angle of the eye? - ✔✔Lacrimal
, ✔✔The ________ is the region of the mesial or distal surfaces of a tooth that touches
the adjacent tooth in the same arch. - ✔✔Contact point
✔✔An angle formed by the junction of three surfaces at one point is called: - ✔✔Point
Angle
✔✔Proper occlusion of the erupting permanent teeth is dependent on that of the
primary teeth as they are shed. - ✔✔True
✔✔Class II occlusion is also known as: - ✔✔Distoclusion
✔✔The curvature formed by the maxillary and mandibular arches in occlusion is known
as the: - ✔✔Curve of Spee
✔✔In the Universal Numbering System, the maxillary right later incisor is number: -
✔✔7
✔✔In the Universal Numbering System, the mandibular left second premolar is number:
- ✔✔20
✔✔What permanent cement would most commonly be selected for cementing a
stainless steel crown on a primary tooth that provides a good overall strength and
nonirritating quality? - ✔✔Polycarboxylate
✔✔Copal Varnish ______ acceptable for placement under an amalgam restoration. -
✔✔Is
✔✔Zinc oxide-eugenol cement can be used as a: - ✔✔- temporary cement
- sedative base
✔✔When mixing the dental cements, the powder to liquid ratio depends on the: -
✔✔Intended use of the material
✔✔When ready for use, properly mixed polycarboxylate cement should appear: -
✔✔Glossy
✔✔A restoration of IRM can last up to: - ✔✔Several months
✔✔A(n) ______ base is placed to soothe the pulp that has been irritated by decay,
injury, or the trauma of the cavity preparation. - ✔✔Sedative
