cleft lip/palate

Question 1

when do facial structures fuse

Answer 1

week 7

Question 2

what two things fail to fuse

Answer 2

median nasal process

maxillary process

Question 3

if see a cleft lip what should you always check for

Answer 3

alveolus involvement

Question 4

which fuses first: lip or palate

Answer 4

lip

Question 5

when do palatal structures fuse

Answer 5

week 10

Question 6

is it possible to just have a cleft palate?

Answer 6

yes

Question 7

which patient is less likely to have dental problems: cleft lip only or cleft palate only

Answer 7

cleft palate only patients may not have dental problems. cleft lip patients usually do.

Question 8

t/f: cleft lip/palate is the most common craniofacial malformation

Answer 8

t

Question 9

what ethnic group has the highest prevalence of CL/P

Answer 9

asians (1:500)

Question 10

do white ppl or black ppl get CL/P more

Answer 10

whites (1:1000) vs blacks (1:2000)

Question 11

males or females more common for CL/P

Answer 11

males 2:1

Question 12

left or right more common for CL/P

Answer 12

left more common (maybe due to great vessel formation

Question 13

incidence of isolated cleft palate

Answer 13

1:2000

Question 14

males or females more common for isolated cleft palate

Answer 14

females 2:1

Question 15

is there a racial predilection for isolated cleft palate

Answer 15

none

Question 16

4 environmental factors in etiology of clefting

Answer 16

socioeconomic
maternal illness
medications
maternal age

Question 17

probability: 2 non cleft parents, 1 cleft child

Answer 17

4%

Question 18

probability: 1 cleft parent, no cleft child

Answer 18

7%

Question 19

who has the highest probability of having a cleft child

Answer 19

1 cleft parent who already has a cleft child? 17% idk these slides didn’t make sense

Question 20

can a cleft palate patient breast feed

Answer 20

no they can’t make suction

Question 21

what ear problems do you look for in cleft kids

Answer 21

chronic otitis media due to negative suction

Question 22

what other birth defects can accompany cleft

Answer 22

cardiac (PDA/VSD)

Question 23

what is the rule of 10s for lip repair

Answer 23

10 weeks of age
10 lbs
Hemoglobin >10
WBC <10,000

Question 24

what is bandaid traction

Answer 24

when baby is very small tape bandaids on their face to make their face less bad

Question 25

when is closure of a soft tissue palatal defect indicated

Answer 25

around 12 mos (when kid starts to talk)

Question 26

what should you watch out for when taking impressions on a cleft lip/palate kid

Answer 26

there is usually a residual fistula at anterior of palate/vestibule

alginate can go up into the sinuses!

Question 27

how to test of someone has velopharyngeal incompetence

Answer 27

put a mirror under their nose, it should not fog up on normal person

Question 28

doing a velopharyngeal flap to try to close airway during speech has what risk

Answer 28

sleep apnea, consider when putting someone with flap under GA (intubation problems)

Question 29

velopharyngeal flap

Answer 29

attach part of soft palate to posterior wall of pharynx

Question 30

is bone grafting more important for cleft palate or lip

Answer 30

lip (with alveolus involvement). bone not as critical for palate area

Question 31

when should you do bone grafting

Answer 31

by the time the canine has 1/2 root formation (around 9-10 yrs at the latest)

Question 32

indications for alveolar bone graft

Answer 32

produce continuous arch for stability

improve osseous support of teeth

allow bone for canine to erupt into

support ala of nose

close oronasal fistula

Question 33

what development stage should you do bone grafting at

Answer 33

mixed dentition secondary

early = prior to eruption of lateral 6-8 yrs

late = prior to eruption of cuspids 8-12 yrs

Question 34

Is the lateral incisor usually functional

Answer 34

NO 80% are non functional with CL/P

Question 35

if lateral incisor is present, particularly in distal segment consider grafting….

Answer 35

early (6-8 yrs)

Question 36

if lateral is absent, or patient is small, of cleft is large, considering grafting….

Answer 36

delay until later (8-12 yrs?)