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</p> Signup and view all the answers

    How many quadrants are there in the oral cavity?

    <p>Four</p> Signup and view all the answers

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

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

    Which type of teeth are considered anterior teeth?

    <p>Incisors</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</p> Signup and view all the answers

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

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

    Which type of teeth are designed for grinding during mastication?

    <p>Molars</p> Signup and view all the answers

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

    <p>8</p> Signup and view all the answers

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

    <p>Premolars</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</p> Signup and view all the answers

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

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

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

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

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

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

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

    <p>Crown</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</p> Signup and view all the answers

    Which numbering system is used for the deciduous teeth?

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

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

    <p>Quadrant</p> Signup and view all the answers

    How are deciduous teeth lettered in the Palmer Notation System?

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

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

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

    How are deciduous teeth numbered in the universal numbering system?

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

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

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

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

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

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

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

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