1 - Cleft Lip And Palate

Front 1

Cleft lip is due to failure of what fusion process?

Back 1

Fusion of nasal prominence and maxillary prominence

Front 2

Cleft palate is due to the failure of what fusion process?

Back 2

palatal processes to fuse with one another at the pre-maxilla and nasal septum

Front 3

What are the two types of cleft lip?

Back 3

Complete (continues into the nose)

Incomplete

Front 4

How do we identify a submucosa cleft palate?

Back 4

fused mucusal membrane beneath it

bifid uvula

palpable notch hard palate where the two processes failed to fuse

Front 5

What is a cleft soft palate?

Back 5

incomplete fusion of the soft palate

Front 6

What is cleft hard palate?

Back 6

incomplete fusion of hard and soft palate

can be unilateral or bilateral

Front 7

How does cleft palate cause eustachian tube dysfunction?

Back 7

when swallowing the hard palate elevates and it pulls down on tensor veil palatine muscle in a pulley system which causes opening of the tube

In this case the pulley system is MESSED UP so and so the eustachian tube is not easily opened

Front 8

What are some repercussions of a dysfunctional Eustachian tube formation?

Back 8

• non equalization of pressure in middle ear
  
• creates a negative pressure
  
• negative pressure draws fluid out of mucosa = fluid in middle ear
  
• this fluid impairs hearing and increases risk of ear infection
  

Front 9

Will cleft lip palate children eventually outgrow the chronic otitis media?

Back 9

Yes

Front 10

What are some problems with dentition and cleft palate

Back 10

missing teeth

supernumerary teeth

malformed teeth

mal-positioned teeth

cross bite

Front 11

What is the most affected tooth by cleft palate?

Back 11

lateral incisor followed by....

canine

central incisor

Front 12

Does cleft palate affect speech? If so how?

Back 12

Yes

velopharyngeal insufficiency (inability to fully close nasopharynx with soft palate causing air to escape)

hypernasality detected