HOSA DENTAL TERMINOLOGY EXAM NEWEST 2026
ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {1250 Q & A} ALREADY GRADED A+ |
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High Speed Hand Piece - ✔✔✔ Correct Answer > Removes bulk of tooth
structure during cavity preparations. Operates at speeds up to
450,000 rpm. Its speed can generate vast amount of heat so its
equipped with water spraying devices.
Low Speed Hand Piece - ✔✔✔ Correct Answer > Used for range of
finishing, poloshing, contouring procedures as well as caries
removal when lower speeds are ideal. Operates speeds of up to
25,000 rpm. Two common attachments are contra angle and
straight attatchments.
Depression - ✔✔✔ Correct Answer > Lowering of the mandible or
opening of the mouth.
Developmental Depression - ✔✔✔ Correct Answer > Noticeable
concavity on the formed frown or root of a tooth; occurs at the
junction of two lobes, as on the mesial surface of the maxillary
first premolars, or at the furcation of roots.
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Developmental Grooves - ✔✔✔ Correct Answer > Fine depressed lines
in the enamel of a tooth that mark the union of the loves of the
crown.
Distal Proximal Surface - ✔✔✔ Correct Answer > Proximal surface on
the posterior side of a tooth.
Distal Third - ✔✔✔ Correct Answer > Viewed from the facial or lingual
surface, the third of the surface farthest from the midline.
Distobuccal Developmental Groove - ✔✔✔ Correct Answer >
Developmental groove that extends on the buccal surface of a
lower first or third molar between the distobuccal and distal
cusps.
Distoclusion - ✔✔✔ Correct Answer > See: Class III Occlusal
Relationship
Dorsum of the Tongue - ✔✔✔ Correct Answer > Top surface of the
tongue.
Edma - ✔✔✔ Correct Answer > Swelling of tissue.
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Edge (Incisal) - ✔✔✔ Correct Answer > See: Incisal edge.
Enamel Displasia - ✔✔✔ Correct Answer > Abnormalities of enamel
growth.
Enamel Hypocalcification - ✔✔✔ Correct Answer > Enamel that is not
as dense as regular enamel.
Enamel Hypoplasia - ✔✔✔ Correct Answer > Enamel that is thin or
pitted.
Epithelial Attachment - ✔✔✔ Correct Answer > Substance produced by
the reduced enamel epithelium that helps secure the attachment
epithelium at the base of gingival sulcus to the tooth.
Eruption - ✔✔✔ Correct Answer > Movement of the tooth as it emerges
through surrounding tissue so that the clinical crown gradually
appears longer.
Eruptive Stage - ✔✔✔ Correct Answer > Period of eruption from the
completion of crown formation until the teeth come into
occlusion.
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Exfoliation - ✔✔✔ Correct Answer > Shedding or loss of a primary
tooth.
Facial Third - ✔✔✔ Correct Answer > From a proximal view, the third of
the surface closest to the facial side.
Fauces - ✔✔✔ Correct Answer > Space between the left and right
palatine tonsils.
FDI System - ✔✔✔ Correct Answer > The federation Dentaire
Internationale (International Dental Federation); system for tooth
identification.
Filform Papillae - ✔✔✔ Correct Answer > Small, pointed projections
that heavily cover most of the dorsum of the anterior two thirds
of the tongue.
Fissure - ✔✔✔ Correct Answer > Deep cleft; developmental line fault
usually found in the occlusal or buccal surface of a tooth;
commonly the result of imperfect fusion of the enamel of the
adjoining dental loves.
Flurosis - ✔✔✔ Correct Answer > Discolored enamel resulting from
excessive fluoride intake during crown development.