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

At what age does the midline of the face unite?

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

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

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

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

<p>6 weeks (D)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

When does the coronoid cartilage typically disappear?

<p>By week 12 of development (C)</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 (D)</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 (B)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

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

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

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

What is the characteristic of the face at birth?

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

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

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

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

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

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

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

Where do permanent molars develop in the maxilla?

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

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

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

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