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Dental Anatomy Final Exam review Questions With Correct Answers

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  • Dental Anatomy
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  • Dental Anatomy

Dental Anatomy Final Exam review Questions With Correct Answers Describe the difference between the Incisal Ridge and Incisal Edge - answerIncisal edge: sharp line that delineates facial from lingual forms Incisal ridge: covers entire incisal surface. Has more surface area then incisal edge. W...

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  • October 16, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Dental Anatomy
  • Dental Anatomy
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sirjoel
©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



Dental Anatomy Final Exam review
Questions With Correct Answers


Describe the difference between the Incisal Ridge and Incisal Edge - 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 -

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? -

answer✔Central incisor → 1st Molar → Lateral incisor → Canine → 2nd Molar


Which Primary teeth are First to have a complete root? When? - 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? - answer✔Mx and Md canines

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


3.25 years of age


By what age does anterior tooth spacing stop? - answer✔6 years of age


Which Permanent tooth is the 1st to erupt into the oral cavity? What age? - answer✔Permanent

1st molars (Md precedes Mx slightly)

6 years of age


By age 6, which Permanent teeth have Crowns that are Completely calcified? - 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? - answer✔1st

Molar → Incisors → Canines → Premolars → 2nd Molar → 3rd Molar


What is the Chronology of Calcification of the Permanent Maxillary teeth? - answer✔1st Molar

→ Central incisor → Canine → Lateral incisor → Premolars → 2nd Molar → 3rd Molar


What is the Order of Eruption for the Permanent Mandibular teeth? - answer✔1st Molar →

Central incisor → Lateral incisor → Canine → 1st Premolar → 2nd Premolar → 2nd Molar →

3rd Molar

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


By 8 years of age, what is the state of the 2nd and 3rd Permanent Molars? - answer✔2nd molar

has not yet erupted

3rd molar has not yet begun calcification


What are the 4 classifications of Cusp Form? - 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 - answer✔Greatest

angle: Lateral incisor at 23º

Least angle: 2nd Premolar at 6º

From a Facial aspect of the Mandibular teeth, which tooth has the greatest and which tooth has

the least Facial Reference angle? give specific measurement - answer✔Greatest angle: 2nd

Molar at 14º

Least angle: Lateral incisor at 0º


What is the Facial reference angle of the Mandibular 2nd Premolar? - answer✔9º

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