age 1 of 36
Hottel EFDA FINAL EXAM STUDY GUIDE 2025/2026
ACCURATE QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES || 100% GUARANTEED
PASS <BRAND NEW VERSION>
Anatomical crown vs clinical crown .......Answer.........Anatomical -
crown covered by enamel; covered by gingiva
Clinical - crown portion that is NOT covered by gingiva
Contact areas serve 3 purposes .......Answer.........1. Prevent food
trapping
2. Stabilizes dental arch
3. Protects the Gingiva from trauma during mastication.
,age 2 of 36
Define Embrasures .......Answer.........•spaces between the teeth
that are occlusal to the contact areas; also referred to as
"spillways"
Name all Embrasures .......Answer.........Gingival
Facial
Lingual
Occlusal/incisal
Every tooth is composed of ... .......Answer.........Enamel, dentin,
cementum and pulp
Define tooth enamel .......Answer.........Protective
Covers the anatomical crown
Color varies w/ age
,age 3 of 36
Hardest tissue in the body
What is enamel composed of? .......Answer.........Rods that are
formed as cells called ameloblast
Define tooth enamel percentage make up .......Answer.........95%
inorganic matter
5% organic
Define dentin .......Answer.........Is the bulk of each tooth
Provides support for enamel
What does dentin surround? .......Answer.........pulp cavity that
contains blood and nerves
What does dentin protect? .......Answer.........Protects the pulp and
insulates it from the outside stimuli
, age 4 of 36
3 major types of dentin .......Answer.........1)Primary.
2) Secondary.
3) Reparative.
What hard dental tissue covers the anatomical rods of teeth and
is formed by cells? .......Answer.........Cementum
What color is cementum? .......Answer.........Light yellow in color
True or false
Cementum has no blood supply or it's own but derives it's
nutrition from the periodontal ligament which it's attached
.......Answer.........TRUE
What are the two types of cementum? .......Answer.........1.
acellular cementum
Hottel EFDA FINAL EXAM STUDY GUIDE 2025/2026
ACCURATE QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES || 100% GUARANTEED
PASS <BRAND NEW VERSION>
Anatomical crown vs clinical crown .......Answer.........Anatomical -
crown covered by enamel; covered by gingiva
Clinical - crown portion that is NOT covered by gingiva
Contact areas serve 3 purposes .......Answer.........1. Prevent food
trapping
2. Stabilizes dental arch
3. Protects the Gingiva from trauma during mastication.
,age 2 of 36
Define Embrasures .......Answer.........•spaces between the teeth
that are occlusal to the contact areas; also referred to as
"spillways"
Name all Embrasures .......Answer.........Gingival
Facial
Lingual
Occlusal/incisal
Every tooth is composed of ... .......Answer.........Enamel, dentin,
cementum and pulp
Define tooth enamel .......Answer.........Protective
Covers the anatomical crown
Color varies w/ age
,age 3 of 36
Hardest tissue in the body
What is enamel composed of? .......Answer.........Rods that are
formed as cells called ameloblast
Define tooth enamel percentage make up .......Answer.........95%
inorganic matter
5% organic
Define dentin .......Answer.........Is the bulk of each tooth
Provides support for enamel
What does dentin surround? .......Answer.........pulp cavity that
contains blood and nerves
What does dentin protect? .......Answer.........Protects the pulp and
insulates it from the outside stimuli
, age 4 of 36
3 major types of dentin .......Answer.........1)Primary.
2) Secondary.
3) Reparative.
What hard dental tissue covers the anatomical rods of teeth and
is formed by cells? .......Answer.........Cementum
What color is cementum? .......Answer.........Light yellow in color
True or false
Cementum has no blood supply or it's own but derives it's
nutrition from the periodontal ligament which it's attached
.......Answer.........TRUE
What are the two types of cementum? .......Answer.........1.
acellular cementum
