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Dental Hygiene II > Module 7 Exam 2 > Flashcards

Module 7 Exam 2 Flashcards

1
Q

When are the organs of a fetus formed

A

during the first trimester,

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2
Q

when does the fetus move and swallow

A

by 12 weeks

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3
Q

How long is normal pregnancy

A

40 weeks

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4
Q

what is considered premature

A

before 37 weeks

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5
Q

when do the tooth buds develop

A

between 5 and 6 weeks

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6
Q

when does mineralization of tooth buds start

A

between 4 and 5 months

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7
Q

when do the lips form of a fetus

A

4-7 week

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8
Q

when does the palate form

A

between 8 to 12 th week

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9
Q

when is cleft lip apparent by

A

the 8th week

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10
Q

when is cleft palate apparent by

A

12th week

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11
Q

When are the organs completely formed

A

in the second and third trimesters

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12
Q

What are 4 things that can harm a fetus

A

infections, medications/drug use, drugs of abuse, herbal dietary supplements

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13
Q

what conditions all have serious effects on teh fetus

A

rubella, rubeola, varicella, herpes, viruses, hepatitis b, HIV, syphilis, gonorrhea

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14
Q

what is a significant risk factor for preterm delivery with low birth weight

A

severe periodontitis

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15
Q

Should any drugs or medications be used during pregnancy

A

no

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16
Q

what kind of effects can drugs have on the fetus

A

teratogenic

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17
Q

what is the effect of tetracycline on the fetus

A
  • intrinsic staining of tooth structure

- occurs during mineralization beginning about 4 months gestation

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18
Q

what is the effect of therapy for HIV infections on the fetus

A

-some antiretroviral medications are not withheld because of pregnancy, but sometimes are with held during the first 14 weeks

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19
Q

what does alcohol consumed during pregnancy do

A

fetal alcohol syndrome
low birth rate
spontaneous abortion
mental retardation

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20
Q

what does cocaine cause in a fetus or infant

A 
--decrease birth weight
prematurity
fetal growth retardation
microcephaly
teratogenic effects
increased rate of seizures
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21
Q

what do narcotics cause in infants and fetuses (including heroin, methadone, methamphetamines)

A
  • decreased birth weight
  • withdrawal symptoms
  • convulsions
  • intrauterine growth retardation
  • enters breastmilk
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22
Q

what effects does tobacco have on an infant or fetus

A
  • low birth weight, prematurity, miscarriage, still birth, infant mortality
  • SIDS
  • increased respiratory infections
  • deficencies in physical growth
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23
Q

Who are herbal supplements regulated by?

A

no one

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24
Q

What herbal remedies have implications for DH treatment?

A

Echinacea, valerian

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25
What is echinacea used for?
upper respiratory infections activates cell mediated immunity
26
what are the negative effects of echinacea
causes allergic reactions, decreased effectiveness of immunosuppressants, imunnosuppression with long term use
27
what is valerian used for?
insomnia and stress
28
what are the negative effects of valerian?
may increase the sedative effect of anesthetics and it may increase anesthetic requirements
29
what kind of gingival inflammatory changes are seen in the oral cavity during pregnancy
an exaggerated response of the tissues to dental biofilm
30
when can a gingival reaction first be seen in pregancy?
by the second month
31
If gingival inflammation in pregnancy is left untreated what happens
inflammation continues as the hormones rise to a max level by the 8th month
32
What does the gingiva react to in pregnancy?
physiologic changes and influenced by increased levels of female sex hormones
33
What is the clinical appearance of gingivitis
inflamed, enlargement, redness, smooth and shiny, bleeding on probing
34
what are predisposing factors for gingivitis?
-local irritation and infection, hormonal changes, increased prevotella intermedia
35
What is an oral pyogenic granuloma?
is a hyperplasia seen most commonly in pregnant women but can occur in non pregnant women and men
36
What is the appearance of a pyogenic granuloma
-isolated, discrete, soft, round enlargement near the gingival margin usually associtaed with the interdental area
37
what does the color of a pyogenic granuloma depend on?
vascularity
38
what are the symptoms of a pyogenic granuloma
- bleeds easily with slight trauma | - painless unless it interferes with occlusion
39
what is the significance of a pyogenic granuloma?
- interference with mastication can contribute to inadequate nutrition - provides a site for bacterial growth - results in bleeding and pain - creates undesirable esthetic effect
40
What is enamel erosion caused by in pregnancy
morning sickness and vomiting
41
What can a patient do to help with the erosion?
- eat small amts of non cariogenic foods throughout the day - xylitol gum - sodium bicarb rinse - gentle toothbrushing, low abrasive toothpaste
42
What trimester is the safest for general dental treatment
2nd
43
SHould you do a consult for dental tx in a pregnant pt?
yes
44
Do we take radiographs on a pregnant pt.
no unless they are absolutely necessary
45
If an x-ray needs to be taken what precautions are taken?
x-ray apron on the front and back with a thyroid collar
46
When should elective dental treatment be completed
in the 2nd or 3rd trimester
47
What is important about doing restorative tx on a pregnant pt
that it is completed with permanent materials, new mothers may not come back if a temp restortation is placed
48
how frequently should a pregnant pt have appointments?
monthly appointments, or appointments 3 times during the 9 months
49
when calc deposits are heavy what should you do
do several short appts
50
what causes supine hypertensive syndrome?
impaired venous return resulting from pressure of the uterus on the inferior vena cava
51
what should you do if blood pressure drops when your pt is in the supine position.
roll them to the left side to relieve pressure off the vena cava
52
What is an alternate position to having your patient lay on their left side
have them elevate their right hip with a pillow or blanket
53
Is the ultrasonic contraindicated for pregnancy
no
54
what kind of instrumentation should be used
careful
55
can nitrous oxide be used on a pregnant patient
yes in moderation, should be only for 30 minutes with oxygen at 50 %
56
what should you do for a patient who has exaggerated reactions to odors and flavors of medicaments and other office materials
determine the obnoxious odors and remove them, ventilation
57
what should you do for a pregnant patient who has an unpleasant taste in their mouth
-nonalcoholic mouth rinse, neural sodium fl2 rinse, tongue cleaning
58
what should you do for a pregnant patient who gags
- recommend a small tb - turn head down over sink when brushing - take care in instrumentation and xrays
59
what should you do with a patient who has unusual food cravings?
if they are sweets recomment non cariogenic snack and define the relationship of frequent nibbling and caries
60
What can have serious effects on both the mother and the fetus
severity of existing perio infection or potential for the initiation of attachment loss
61
pregnancy is an ideal time to motivate the patient to stop what
smoking
62
Why should you instruct your pregnant patient on their diet
to prevent caries and mainenance of the supporting structures of the teeth
63
what is vitamin a good for
preventing preterm birth
64
what is calcium, phosphorous for?
tooth mineralization
65
what is iron good for
blood corpuscles
66
what are proteins good for
general tissue construction
67
What factors may contribute to an apparent increase in dental caries during pregnancy
- previous neglect - diet during pregnancy - neglect of personal oral care procedures
68
is calcium withdrawn from the mothers teeht during pregnancy?
no, those minerals in the teeth are not available
69
does prenatal fl2 intake by the mother influence the rate of caries in the child
no
70
Can pregnant patients benefit from both professional and self applied fl2
yes
71
What are signs of depression to look for during pregnancy
``` -depressed mood fatigue and disturbed sleep loss of appetite difficutly making decisions feelings of worthlessness sucicidal ```
72
what is the impact on the health of the fetus in a depressed mother
- higher tendencies for preeclampsia - longer labor - low birth rate - preterm delivery
73
what do you do if your pt is depressed
- explain its a chemical imbalance in the brain - treatable - refer to Dr.

Dental Hygiene II (19 decks)

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