DENTAL HYGIENE EXAM QUESTIONS AND
ANSWERS. LATEST UPDATE
QUESTION: Enamel - ANSWER-Hard, outermost layer of a tooth
QUESTION: Cementoenamel junction - ANSWER-Junction between crown and root of tooth.
QUESTION: Pulp canals - ANSWER-canals in the root that leads from the root apex to the pulp chamber
QUESTION: Apical foramen of teeth - ANSWER-Opening at apex of the tooth which permits passage of
nerve and blood supplies
QUESTION: Bifurcation - ANSWER-Area in which two roots divide
2 roots
QUESTION: Dentin - ANSWER-hard, dense, bony tissue forming the bulk of a tooth beneath the enamel.
QUESTION: Pulp horn - ANSWER-highest projection of pulp chamber within the crown
A.
, QUESTION: Root apex - ANSWER-
QUESTION: Succedaneous - ANSWER-Permanent teeth that replace deciduous teeth NOT molars
QUESTION: Ankylosis - ANSWER-When tooth is fused to bone
QUESTION: Mamelons - ANSWER-Rounded enamel extension on the incisal ridges of incisors
QUESTION: Avulsion - ANSWER-Tooth getting knocked out by sudden teama
QUESTION: Open bite - ANSWER-A lack of vertical overlap of the maxillary incisors, creating an opening
of the anterior teeth
QUESTION: Over bite - ANSWER-Increased vertical overlap of the maxillary incisors
QUESTION: Overjet - ANSWER-Excessive protrusion of the maxillary incisors
QUESTION: Dyastima - ANSWER-Space between teeth
QUESTION: Lee way space - ANSWER-Space in baby teeth for permanent teeth
, QUESTION: Free way space - ANSWER-Space between jaw
QUESTION: Attrition of teeth - ANSWER-Natural wearing down of teeth
QUESTION: Congenitally missing - ANSWER-Permanent tooth doesn't come in
QUESTION: Peg lateral tooth - ANSWER-peg shaped crown with a smooth surface
Lateral incisor crown that is smaller from partial microdontia
QUESTION: Abrasion - ANSWER-A wearing away or rubbing away by friction. Usually tooth brushing
QUESTION: Errosion - ANSWER-Acid breakdown
QUESTION: Abfraction - ANSWER-loss of tooth surface in the cervical area, caused by tooth grinding
compression forces force of occluding teeth
QUESTION: Ademitosis tissue - ANSWER-Inflamed tissue caused by bacteria not brushing
QUESTION: Midline deviation - ANSWER-When midline of tooth doesn't line up (maxillary and
mandibular)
, QUESTION: Medial distal roots - ANSWER-
QUESTION: Ala - ANSWER-Winglike tip of the outer side of each nostril; plural, alae.
QUESTION: Angle of the mandible - ANSWER-the sharp angle of the lower jaw inferior to the ear's
lobule
QUESTION: Buccal region - ANSWER-composed of the soft tissues of the cheek
QUESTION: Coronoid Notch - ANSWER-...
QUESTION: Coronoid Process - ANSWER-...
QUESTION: Articulating surface of the Condyle - ANSWER-...
QUESTION: Mandible Condyle - ANSWER-...
QUESTION: External nose - ANSWER-...
QUESTION: Frontal region - ANSWER-...
ANSWERS. LATEST UPDATE
QUESTION: Enamel - ANSWER-Hard, outermost layer of a tooth
QUESTION: Cementoenamel junction - ANSWER-Junction between crown and root of tooth.
QUESTION: Pulp canals - ANSWER-canals in the root that leads from the root apex to the pulp chamber
QUESTION: Apical foramen of teeth - ANSWER-Opening at apex of the tooth which permits passage of
nerve and blood supplies
QUESTION: Bifurcation - ANSWER-Area in which two roots divide
2 roots
QUESTION: Dentin - ANSWER-hard, dense, bony tissue forming the bulk of a tooth beneath the enamel.
QUESTION: Pulp horn - ANSWER-highest projection of pulp chamber within the crown
A.
, QUESTION: Root apex - ANSWER-
QUESTION: Succedaneous - ANSWER-Permanent teeth that replace deciduous teeth NOT molars
QUESTION: Ankylosis - ANSWER-When tooth is fused to bone
QUESTION: Mamelons - ANSWER-Rounded enamel extension on the incisal ridges of incisors
QUESTION: Avulsion - ANSWER-Tooth getting knocked out by sudden teama
QUESTION: Open bite - ANSWER-A lack of vertical overlap of the maxillary incisors, creating an opening
of the anterior teeth
QUESTION: Over bite - ANSWER-Increased vertical overlap of the maxillary incisors
QUESTION: Overjet - ANSWER-Excessive protrusion of the maxillary incisors
QUESTION: Dyastima - ANSWER-Space between teeth
QUESTION: Lee way space - ANSWER-Space in baby teeth for permanent teeth
, QUESTION: Free way space - ANSWER-Space between jaw
QUESTION: Attrition of teeth - ANSWER-Natural wearing down of teeth
QUESTION: Congenitally missing - ANSWER-Permanent tooth doesn't come in
QUESTION: Peg lateral tooth - ANSWER-peg shaped crown with a smooth surface
Lateral incisor crown that is smaller from partial microdontia
QUESTION: Abrasion - ANSWER-A wearing away or rubbing away by friction. Usually tooth brushing
QUESTION: Errosion - ANSWER-Acid breakdown
QUESTION: Abfraction - ANSWER-loss of tooth surface in the cervical area, caused by tooth grinding
compression forces force of occluding teeth
QUESTION: Ademitosis tissue - ANSWER-Inflamed tissue caused by bacteria not brushing
QUESTION: Midline deviation - ANSWER-When midline of tooth doesn't line up (maxillary and
mandibular)
, QUESTION: Medial distal roots - ANSWER-
QUESTION: Ala - ANSWER-Winglike tip of the outer side of each nostril; plural, alae.
QUESTION: Angle of the mandible - ANSWER-the sharp angle of the lower jaw inferior to the ear's
lobule
QUESTION: Buccal region - ANSWER-composed of the soft tissues of the cheek
QUESTION: Coronoid Notch - ANSWER-...
QUESTION: Coronoid Process - ANSWER-...
QUESTION: Articulating surface of the Condyle - ANSWER-...
QUESTION: Mandible Condyle - ANSWER-...
QUESTION: External nose - ANSWER-...
QUESTION: Frontal region - ANSWER-...
