Dental Anatomy: Primary and Permanent Teeth
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Questions and Answers

What is the sequence of eruption of primary teeth?

  • A - B - D - C - E (correct)
  • D - B - A - C - E
  • C - A - E - B - D
  • B - A - D - C - E

At what age do deciduous teeth appear from 7-9 weeks in utero?

  • Before birth (4-6 months in utero) (correct)
  • Between 2-3 years old
  • By age of 2 years
  • At birth

When does the calcification of the first permanent molars begin?

  • Before birth (4-6 months in utero) (correct)
  • At birth
  • Between 2-3 years old
  • By age of 2 years

What are the intended learning outcomes related to tooth identification systems?

<p>Knowledge of dental terminology and tooth identification systems (B)</p> Signup and view all the answers

What is the function of permanent premolars?

<p>Chewing and grinding food (C)</p> Signup and view all the answers

At what age does the crown of the first permanent molar start to form?

<p>At birth (C)</p> Signup and view all the answers

How long does it take for the crown of a deciduous tooth to be mostly formed at birth?

<p>18 months (B)</p> Signup and view all the answers

When does the occlusal surface of a permanent tooth start to form?

<p>At 20 months (A)</p> Signup and view all the answers

At what age does the shedding of deciduous teeth begin?

<p>At 2 years (B)</p> Signup and view all the answers

When do the first, second, and third permanent molars erupt, respectively?

<p>At 6, 12, and 18 years (A)</p> Signup and view all the answers

Which dental terminology and tooth identification system is used throughout a dentist's career?

<p>FDI World Dental Federation notation system (A)</p> Signup and view all the answers

At what stage does the eruption of a developing tooth occur?

<p>When the tooth crown and cervical 1/3 are completed (C)</p> Signup and view all the answers

What is the sequence of eruption of permanent teeth?

<p>Incisors, Molars, Canines, Premolars (B)</p> Signup and view all the answers

At what age does the calcification of deciduous teeth begin?

<p>Before birth (4-6 months in utero) (C)</p> Signup and view all the answers

Which teeth begin calcification at birth?

<p>Permanent molars (C)</p> Signup and view all the answers

Flashcards

Primary tooth eruption sequence

The order in which primary teeth emerge. A - B - D - C - E

Deciduous tooth appearance

Primary teeth appear before birth, usually between 4 and 6 months in utero.

Permanent molar calcification

The first permanent molars' calcification begins before birth (4-6 months in utero).

Dental identification system

Used to name and describe specific teeth

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Premolar function

Premolars help chew and grind food.

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First permanent molar crown formation

The crown starts to form at birth.

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Deciduous tooth crown formation

Takes 18 months for the crown to be mainly formed at birth.

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Permanent tooth occlusal surface formation

Forms around 20 months.

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Deciduous tooth shedding

Starts at age 2 years

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Permanent molar eruptions

First, second, and third permanent molars erupt at 6, 12, and 18 years, respectively.

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Dentist terminology

The FDI World Dental Federation notation system is used throughout a dentist's career.

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Tooth eruption stage

Eruption happens after the tooth crown and cervical 1/3 are complete

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Permanent tooth eruption sequence

Incisors, molars, canines, then premolars erupt.

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Deciduous tooth calcification start

Calcification starts before birth (4-6 months in utero).

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Birth calcified teeth

Permanent molars start calcifying at birth

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Study Notes

Tooth Development and Eruption

  • Deciduous teeth begin to develop at 7-9 weeks in utero.
  • Calcification of deciduous teeth begins at birth, specifically the primary teeth.

Calcification of Permanent Teeth

  • Calcification of the first permanent molars begins around birth.
  • The crown of the first permanent molar starts to form around 3-4 years old.

Tooth Formation

  • The crown of a deciduous tooth is mostly formed at birth, taking around 12-14 weeks to develop.
  • The occlusal surface of a permanent tooth starts to form around 2-3 years old.

Tooth Eruption

  • The shedding of deciduous teeth begins around 6-12 years old.
  • The sequence of eruption of primary teeth is: lower central incisors (6-12 months), upper central incisors (8-12 months), lower lateral incisors (9-16 months), upper lateral incisors (9-13 months), canines (16-22 months), first molars (13-19 months), and second molars (23-28 months).
  • The sequence of eruption of permanent teeth is: first molars (6-7 years old), central incisors (7-8 years old), lateral incisors (8-9 years old), canines (11-12 years old), premolars (10-12 years old), second molars (12-13 years old), and third molars (17-21 years old).
  • The first, second, and third permanent molars erupt at 6-7 years old, 11-13 years old, and 17-21 years old, respectively.

Tooth Identification Systems

  • The Universal Numbering System is used throughout a dentist's career to identify teeth.
  • Tooth eruption occurs in three stages: bud stage, cap stage, and bell stage.

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Description

This quiz covers the form and function of different types of primary and permanent teeth, including dental terminology, tooth identification systems, eruption dates, and sequence of eruption. It aims to enhance the student's knowledge in dental anatomy and prepare them for their career.

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