DENTAL ANATOMY EFDA
HARCUM EXAM QUESTIONS AND
ANSWERS 100% PASS
Crest - ✔✔Highest point of a structure
Creat of curvature - ✔✔Highest point of the curve on a tooth
Crest of curvature aka - ✔✔Height of contour
Crest of curvature does what - ✔✔Protects the gingiva by directing food away from the
gingiva
Interproximal space - ✔✔Triangular shaped area cervical to the contact area of two
adjoining teeth
What is the interproximal space filled with - ✔✔Gingival tissue called interdental
papilla
Embrasures - ✔✔Interproximal space occlusal to the contact area of adjacent teeth in the
same arch
What do embrasures do - ✔✔Helps keep food from being forced into the contact areas
between the teeth
What is enamel - ✔✔Calcified substance that covers the entire a topical crown of the
Roth and protects the dentin
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
, What is the hardest tissue in the human body - ✔✔Enamel
What is enamel composed of - ✔✔Millions of calcified enamel prism and enamel rods
What is Dentin - ✔✔Light yellow substance; more radiolucent than enamel; very porous
Denton is what? - ✔✔Harder than home softer than enamel
What is the largest substance of the tooth - ✔✔Dentin
Dentin transmits what? - ✔✔Pain stimuli by way of dentinal fibers. It has constant
growth and repair
Cementum - ✔✔Bone like tissue that covers the roots of he teeth in a thin layer
Where is the radicular pulp - ✔✔In the root
Where is the coronal pulp - ✔✔In the crown
Dental pulp - ✔✔Contains blood vessels and nerves that enter through the apical
foramen
What does the dental pulp do? - ✔✔Formation of dentin; provides sensation to the
tooth; responds to irritation
Periodontium consists of? - ✔✔1. Cementum
2. Bone that holds max and mand
3. Periodontal ligament
4 gingiva
Periodontitis does what? - ✔✔Tissues that surround and support the teeth
What do periodontium do to teeth - ✔✔Support
Protect
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
HARCUM EXAM QUESTIONS AND
ANSWERS 100% PASS
Crest - ✔✔Highest point of a structure
Creat of curvature - ✔✔Highest point of the curve on a tooth
Crest of curvature aka - ✔✔Height of contour
Crest of curvature does what - ✔✔Protects the gingiva by directing food away from the
gingiva
Interproximal space - ✔✔Triangular shaped area cervical to the contact area of two
adjoining teeth
What is the interproximal space filled with - ✔✔Gingival tissue called interdental
papilla
Embrasures - ✔✔Interproximal space occlusal to the contact area of adjacent teeth in the
same arch
What do embrasures do - ✔✔Helps keep food from being forced into the contact areas
between the teeth
What is enamel - ✔✔Calcified substance that covers the entire a topical crown of the
Roth and protects the dentin
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
, What is the hardest tissue in the human body - ✔✔Enamel
What is enamel composed of - ✔✔Millions of calcified enamel prism and enamel rods
What is Dentin - ✔✔Light yellow substance; more radiolucent than enamel; very porous
Denton is what? - ✔✔Harder than home softer than enamel
What is the largest substance of the tooth - ✔✔Dentin
Dentin transmits what? - ✔✔Pain stimuli by way of dentinal fibers. It has constant
growth and repair
Cementum - ✔✔Bone like tissue that covers the roots of he teeth in a thin layer
Where is the radicular pulp - ✔✔In the root
Where is the coronal pulp - ✔✔In the crown
Dental pulp - ✔✔Contains blood vessels and nerves that enter through the apical
foramen
What does the dental pulp do? - ✔✔Formation of dentin; provides sensation to the
tooth; responds to irritation
Periodontium consists of? - ✔✔1. Cementum
2. Bone that holds max and mand
3. Periodontal ligament
4 gingiva
Periodontitis does what? - ✔✔Tissues that surround and support the teeth
What do periodontium do to teeth - ✔✔Support
Protect
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
