ch 18 wk 2 compromised pt
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how many weeks is normal pregnancy?
premature birth is prior to ___ wks
T/F a pregnant woman is considered medically compromised
T/F a pregnant woman needs special considerations during dental treatment
you bet she does!
when all organ systems are formed, this is called:
T/F an embryo is highly susceptible to injuries and malformations during organogenesis
at which week does the fetus move and swallow?
At which trimester(s) does:
Organ formation is complete and
Growth and maturation continues
2nd and 3rd trimester
On the 4th to 7th week, ______ form
During the 5th to 6th week ______ ______ develop
The 8th to 12th week is when the _______ forms
the first ultrasound can detect what two things?
- cleft lip - 8th week
- cleft palate - 12th week
The 4th to 5th month is _________ _________
an infant can result in low birth weight, premature, or higher risk for caries if the mother has an _______ or maternal ________
- maternal periodontitis
infectious diseases a mother can have and pass on to her infant are ______, _______, ________, and ________
T/F nearly all drugs can cross the placental barrier
the first 14 weeks is at risk for ________
when a fetus lacks of oxygen, mental disabilities result. this is known as: _______ _______. what type of depressant is it?
- fetal hypoxia
- respiratory depressant
at what month of gestation can tetracycline staining occur?
T/F tetracycline can cause bone growth inhibition
Tetracycline can cause the ___th cranial nerve damage
toxic action on ear- ear malformations (deaf) can result from the mother taking ________
when is it best for HIV therapy if necessary?
after 14th week
Alcohol abuse during pregnancy can lead to:
- fetal alcohol syndrome
- low birth weight
cocaine use during pregnancy can lead to _______
No fetal abnormalties shown
2nd trimester optimal time to use anes
local anesthetics B,C
Acetaminophen: drug of choice (Tylenol, Suddafed)
Aspirin: avoid in 3rd trimester-risk of miscarriage
Difficulties w/prolonged use
these are catagorized as:
Analgesics B, C/D
radiation is controversial but should be avoided during the ______ trimester
Is radiation sometimes necessary to benefit a pregnant pt?
yes, the benefit far outweighs the risk!
the risk of fetal defect from radiographs is __ in ____ billion!
9 in 1 billion!
what is the maximum amount needed for taking the xrays of a pregnant woman?
1,000 FMR series need to be taken for radiation to take effect
Fetal dose of 2 PA’s is 700x less than 1 day average exposure to natural background radiation in the US
just a little FYI!
name 5 ways to reduce the risk of radiation
- Rectangular collimation
- E-speed film or digital
- Front and back lead shield w/thyroid collar
- High kV
- Ongoing quality assurance program
what trimesters are the safest for N2O to be used?
2nd and 3rd trimester
during pregnancy, what is the max time for nitrous administration recommended?
no more than 30 minutes
the oxygen when using nitrous must be set at ___% the whole time!
avoid _____ and _____ exposure to nitrous with a pregnant woman
repeated and prolonged
exposure of nitrous of a woman 3 hours per week can increase the chance of decreased _______ and increased rate of _______
name four oral findings of a pregnant woman
- Pregnancy Gingivitis-bleed, tender
- Gingival Enlargement-pyogenic granuloma
- Enamel erosion
- Dental Caries
what is the most common oral complication in pregnancy?
why is pregnancy gingivitis common?
it makes the pt want to gag to brush or vomit
poor oral hygiene leaves ______ on teeth
changes in hormones may alter _______ reactions
what leads into “pregnancy tumors” or pyogenic granuloma?
what is a pyogenic granuloma? does it go away with proper oral hygiene?
where does a pyogenic granuloma usually occur?
in the labial aspects of the interdental papilla
what is also known as a benign inflammatory lesion?
Eat small noncariogenic food throughout the day
Use a sodium bicarbonate rinse
Chew sugarless gum containing xylitol-helps remineralize
Use low abrasive toothpaste/no toothpaste
Rinse mouth with water
these tips will help prevent _______
enamel erosion can be caused by: _______________________ on _______ surfaces of teeth. _________ and acid ______ occur
- morning sickness with vomiting.
- Palatal surfaces of teeth
- Demineralization and acid erosion
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