30 Questions
What is the age range for the replacement of primary teeth with permanent molars?
Age 6-12
What is the average age for the development of the 3rd molar?
At maturity
How many fontanelles are present in the post-natal growth of the skull?
6 Fontanelles
What is the reason why the cranial vault is advanced relative to the face?
Because of the rapid growth rate
At what age does the midline of the face unite?
Within the first two years
What is the shape of the base of the mandible during post-natal growth?
Obtuse
What is the main mechanism of mandible development during post-natal growth?
Formation and growth of secondary cartilages
At what week of development does the mandible start to ossify?
6 weeks
What is the name of the condition characterized by micrognathia, cleft palate, and glossoptosis?
Pierre-Robin Sequence
What type of cartilage has unique properties and contributes to the development of the mandible?
Condylar cartilage
What is the primary method of growth in late childhood and adolescence for intramembranous bones?
Remodelling
When does the coronoid cartilage typically disappear?
By week 12 of development
What is the term for the process by which the mandible changes shape and grows during development?
Remodelling
What is the name of the cartilage that contributes to the growth of the condyle until adolescence?
Secondary cartilage
What is the name of the condition where the sutures in the skull close prematurely?
Craniosynostosis
What is the term for the process of bones hollowing out and flattening to reduce weight?
Remodelling
What is the name of the gap in the skull that allows for brain growth?
Fontanelle
What is the term for the bones that contribute to the formation of the skull?
Intramembranous bones
What is the primary bone responsible for the development of the upper jaw?
Maxilla bone
What type of growth occurs in the upper face, including the orbit and eyeballs?
Displacement
What is the function of the nasal septal cartilage in the development of the upper jaw?
Contributing to growth
What is the result of the addition of bone at the tuberosity?
Room for molars
At what age does the width of the upper face increase significantly?
2 years
What is the characteristic of the face at birth?
Divided by a sagittal suture system
By the end of which year does the cartilage between the great wings and body of the sphenoid ossify?
Year 1
Until what age does the suture contribute to the growth of the upper jaw?
10 years
What type of growth occurs in the nasal septum and ethmoid until year 7?
Endochondral growth
What is the key bone involved in remodelling and suture growth for upper teeth development?
Maxilla
Where do permanent molars develop in the maxilla?
In the alveolar bulbs at the back
What is linked to cranial base growth in upper teeth development?
Growth of the cranial base
This quiz covers the growth rates of the cranial vault, cranial base, and face versus the body, as well as the mechanisms of growth. It also explores the replacement of primary teeth with permanent teeth during adolescence.
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