Facial growth - post natal Flashcards
where are the sites of facial growth?
- sutures
- synchondroses
- surface deposition
what are some features of the Neo-natal face?
- small face compared to the cranium
- large eyes
- low set ears
- nasal region vertically shallow
What is a suture?
A band of connective tissue which has osteogenic cells in the centre
Where are synchondroses found?
- in the midline
- found between ethmoid, sphenoid and occipital bones
What are synchondroses?
a cartilage based growth centre with growth occurring in both directions
What are synchondroses?
a cartilage based growth centre with growth occurring in both directions
At what age does the brain stop growing?
7 years old
when is brain growth the fastest?
first 3 years of life
How many fontanelles are present at birth?
6
By what age are all fontanelles fused?
18 months
How does the maxilla and mandible tend to grow?
downwards and forwards
Where does maxillary growth occur?
at sutures between maxilla and skull
where does mandibular growth occur?
at condylar cartilage
uses of lateral cephalograms
gross inspection (anatomy/pathology)
assess dent-skeletal relationships
assess soft tissue relationship to underlying hard tissues
prognosis and treatment planning
monitoring facial growth
predicting facial growth
assess changes due to treatment and growth
lateral cephalograms - indications
aid diagnosis
- marked ap discrepancy - sk classs II or III
- vertical discrepancy
- class III malocclusion
pretreatment record
- upper and lower fixed appliances
monitoring progress
- upper and lower fixed appliances
- functional appliances
research project