DENTAL HYGIENE EXAM QUESTIONS AND ANSWERS. LATEST UPDATE

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-...