Post-natal Growth of the Skull
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Questions and Answers

What is the age range for the replacement of primary teeth with permanent molars?

  • Age 12-15
  • Age 18-20
  • Age 5-7
  • Age 6-12 (correct)
  • What is the average age for the development of the 3rd molar?

  • Age 12
  • At maturity (correct)
  • Age 18
  • Age 7
  • How many fontanelles are present in the post-natal growth of the skull?

  • 5 Fontanelles
  • 4 Fontanelles
  • 6 Fontanelles (correct)
  • 8 Fontanelles
  • What is the reason why the cranial vault is advanced relative to the face?

    <p>Because of the rapid growth rate</p> Signup and view all the answers

    At what age does the midline of the face unite?

    <p>Within the first two years</p> Signup and view all the answers

    What is the shape of the base of the mandible during post-natal growth?

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

    What is the main mechanism of mandible development during post-natal growth?

    <p>Formation and growth of secondary cartilages</p> Signup and view all the answers

    At what week of development does the mandible start to ossify?

    <p>6 weeks</p> Signup and view all the answers

    What is the name of the condition characterized by micrognathia, cleft palate, and glossoptosis?

    <p>Pierre-Robin Sequence</p> Signup and view all the answers

    What type of cartilage has unique properties and contributes to the development of the mandible?

    <p>Condylar cartilage</p> Signup and view all the answers

    What is the primary method of growth in late childhood and adolescence for intramembranous bones?

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

    When does the coronoid cartilage typically disappear?

    <p>By week 12 of development</p> Signup and view all the answers

    What is the term for the process by which the mandible changes shape and grows during development?

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

    What is the name of the cartilage that contributes to the growth of the condyle until adolescence?

    <p>Secondary cartilage</p> Signup and view all the answers

    What is the name of the condition where the sutures in the skull close prematurely?

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

    What is the term for the process of bones hollowing out and flattening to reduce weight?

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

    What is the name of the gap in the skull that allows for brain growth?

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

    What is the term for the bones that contribute to the formation of the skull?

    <p>Intramembranous bones</p> Signup and view all the answers

    What is the primary bone responsible for the development of the upper jaw?

    <p>Maxilla bone</p> Signup and view all the answers

    What type of growth occurs in the upper face, including the orbit and eyeballs?

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

    What is the function of the nasal septal cartilage in the development of the upper jaw?

    <p>Contributing to growth</p> Signup and view all the answers

    What is the result of the addition of bone at the tuberosity?

    <p>Room for molars</p> Signup and view all the answers

    At what age does the width of the upper face increase significantly?

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

    What is the characteristic of the face at birth?

    <p>Divided by a sagittal suture system</p> Signup and view all the answers

    By the end of which year does the cartilage between the great wings and body of the sphenoid ossify?

    <p>Year 1</p> Signup and view all the answers

    Until what age does the suture contribute to the growth of the upper jaw?

    <p>10 years</p> Signup and view all the answers

    What type of growth occurs in the nasal septum and ethmoid until year 7?

    <p>Endochondral growth</p> Signup and view all the answers

    What is the key bone involved in remodelling and suture growth for upper teeth development?

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

    Where do permanent molars develop in the maxilla?

    <p>In the alveolar bulbs at the back</p> Signup and view all the answers

    What is linked to cranial base growth in upper teeth development?

    <p>Growth of the cranial base</p> Signup and view all the answers

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