Dental Anatomy Final Exam review UPDATED Actual Exam Questions and CORRECT Answers
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Course
Dental Anatomy
Institution
Dental Anatomy
Dental Anatomy Final Exam review
UPDATED Actual Exam Questions and
CORRECT Answers
Describe the difference between the Incisal Ridge and Incisal Edge - CORRECT ANSWER-
Incisal edge: sharp line that delineates facial from lingual forms
Incisal ridge: covers entire incisal surface. Has more sur...
Dental Anatomy Final Exam review
UPDATED Actual Exam Questions and
CORRECT Answers
Describe the difference between the Incisal Ridge and Incisal Edge - CORRECT ANSWER-
✔✔Incisal edge: sharp line that delineates facial from lingual forms
Incisal ridge: covers entire incisal surface. Has more surface area then incisal edge.
When does calcification begin? By what time have all primary teeth begun calcification -
CORRECT ANSWER- ✔✔13-16 weeks in utero calcification commences
18-20 weeks in utero: all primary teeth have initiated calcification
What is the order of the first evidence of Calcification in the Primary dentition? - CORRECT
ANSWER- ✔✔Central incisor → 1st Molar → Lateral incisor → Canine → 2nd Molar
Which Primary teeth are First to have a complete root? When? - CORRECT ANSWER-
✔✔Mx Central incisor
Md Central incisor
Md Lateral incisor
All at 1.5 years
Which Primary teeth are last to have a complete root? When? - CORRECT ANSWER-
✔✔Mx and Md canines
3.25 years of age
By what age does anterior tooth spacing stop? - CORRECT ANSWER- ✔✔6 years of age
Which Permanent tooth is the 1st to erupt into the oral cavity? What age? - CORRECT
ANSWER- ✔✔Permanent 1st molars (Md precedes Mx slightly)
6 years of age
, By age 6, which Permanent teeth have Crowns that are Completely calcified? - CORRECT
ANSWER- ✔✔Central and Lateral incisors
1st Premolars
1st Molars
(Md and Mx for all of these)
What is the Chronology of Calcification of the Permanent Mandibular teeth? - CORRECT
ANSWER- ✔✔1st Molar → Incisors → Canines → Premolars → 2nd Molar → 3rd Molar
What is the Chronology of Calcification of the Permanent Maxillary teeth? - CORRECT
ANSWER- ✔✔1st Molar → Central incisor → Canine → Lateral incisor → Premolars →
2nd Molar → 3rd Molar
What is the Order of Eruption for the Permanent Mandibular teeth? - CORRECT ANSWER-
✔✔1st Molar → Central incisor → Lateral incisor → Canine → 1st Premolar → 2nd
Premolar → 2nd Molar → 3rd Molar
By 8 years of age, what is the state of the 2nd and 3rd Permanent Molars? - CORRECT
ANSWER- ✔✔2nd molar has not yet erupted
3rd molar has not yet begun calcification
What are the 4 classifications of Cusp Form? - CORRECT ANSWER- ✔✔Haplodont: single
cone
Triconodont: 3 cusps in straight line
*Tritubercular Molar: 3 cusps in primary triangle*
Quadritubercular Molar: 4 cusps in rectangular or rhomboid form
From a Proximal aspect of the Mandibular teeth, which tooth has the greatest and which tooth
has the least Proximal Reference angle? give the specific angle measurement - CORRECT
ANSWER- ✔✔Greatest angle: Lateral incisor at 23º
Least angle: 2nd Premolar at 6º
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