Dental Anatomy Lecture: Oral Biology and Teeth Morphology

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Questions and Answers

What is the study of the morphology of teeth in humans related to?

  • Teeth color and function
  • Maxillary and mandibular arches
  • The shape of teeth (correct)
  • Tooth brushing techniques

Which landmarks are part of the oral cavity?

  • Uvula and glosso-palatine arch (correct)
  • Nasal cavity and paranasal sinuses
  • Pharynx and esophagus
  • Upper labial frenum and lower labial frenum

What divides each dental arch into two equal right and left halves?

  • Midline (correct)
  • Maxillary and mandibular dental arches
  • Facial landmarks
  • Glosso-palatine arch

Which arch is also known as Mandible?

<p>Lower dental arch (B)</p> Signup and view all the answers

How many quadrants are there in the oral cavity?

<p>Four (A)</p> Signup and view all the answers

What is the space between the teeth and lips/cheeks called?

<p>Oral vestibule (D)</p> Signup and view all the answers

Which type of teeth are considered anterior teeth?

<p>Incisors (D)</p> Signup and view all the answers

During the mixed dentition period, which teeth shed and are replaced by permanent teeth?

<p>Incisors and canines (B)</p> Signup and view all the answers

What is the dental formula for the primary dentition in one half of the oral cavity?

<p>$2I-1C-22M1$ (A)</p> Signup and view all the answers

Which type of teeth are designed for grinding during mastication?

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

How many teeth are present in the permanent dentition period in each quadrant?

<p>8 (A)</p> Signup and view all the answers

What are the successors or succedaneous teeth that replace deciduous incisors, canines and molars called?

<p>Premolars (A)</p> Signup and view all the answers

At what age does the mixed dentition period, also known as the 'Ugly Duckling stage', occur?

<p>6 - 12 years (C)</p> Signup and view all the answers

How many incisors are there in each quadrant of the primary dentition period?

<p>$2$ (C)</p> Signup and view all the answers

Which type of tooth has at least two projections (cusps) for tearing and grinding during mastication?

<p>$Premolars$ (A)</p> Signup and view all the answers

'Ugly Duckling stage' refers to which period of dentition?

<p>$Mixed dentition period$ (C)</p> Signup and view all the answers

In dental anatomy terminology, which of the following is a general dental term?

<p>Crown (D)</p> Signup and view all the answers

How many permanent central incisors are present in the lower right quadrant of the oral cavity?

<p>1 (C)</p> Signup and view all the answers

Which numbering system is used for the deciduous teeth?

<p>Alphabetic system (A)</p> Signup and view all the answers

What is the function of the first permanent molar in the oral cavity?

<p>Holding and stabilizing food (A)</p> Signup and view all the answers

In the Palmer Notation System, how are permanent teeth numbered from the midline on the upper right quadrant?

<p>1-8 (B)</p> Signup and view all the answers

According to the international numbering system, how are the two digits used to code the permanent dentition?

<p>Quadrant on the left, tooth number on the right (C)</p> Signup and view all the answers

What does the sign '#' represent in the universal numbering system for permanent teeth?

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

How are deciduous teeth lettered in the Palmer Notation System?

<p>E-A and A-E (D)</p> Signup and view all the answers

Which coding system uses a sign and a number/letter to label teeth?

<p>Palmer Notation System (A)</p> Signup and view all the answers

In the Palmer Notation System, what numbers are used to label permanent teeth in the upper left quadrant?

<p>8-1 (B)</p> Signup and view all the answers

How are deciduous teeth numbered in the universal numbering system?

<p>#E-#A (D)</p> Signup and view all the answers

According to the international numbering system, which side does 'U.R.' represent?

<p>Upper right (C)</p> Signup and view all the answers

For permanent teeth, which coding system uses numbers formed of two digits?

<p>The international numbering system (A)</p> Signup and view all the answers

In the universal numbering system, what does 'tooth number/letter' refer to?

<p>Sign before each tooth number/letter (A)</p> Signup and view all the answers

According to Palmer Notation System, how are permanent teeth numbered from the midline on the upper left quadrant?

<p>8-1 (B)</p> Signup and view all the answers

What is indicated by 'A' in deciduous teeth coding systems?

<p>Deciduous central incisor (B)</p> Signup and view all the answers

How is quadrant information represented in the international numbering system for permanent dentition?

<p>First digit of code indicating quadrant (B)</p> Signup and view all the answers

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