Chapter 8: Dental Management Of Pregnant Patients And Lactation Flashcards
Pregnant women fall into which ASA class?
II
Teratogen:
those agents that can induce or increase the incidence of congenital malformations.
Period of ovulation:
1-2 weeks
Alteration in the implantation of the embryo: all or nothing
Period of embryo?
3-8 weeks, phase of rapid differentiation. The main organs are developed, the most important organ malformations occur
Period of fetus?
12-38 weeks, alteration on fetal growth and maturation
Physiological alterations during pregnancy: cardiovascular system
increased cardiac output, heart rate, blood volume, and venous pressure (supine hypotension syndrome), and decreased blood pressure.
Physiological alterations during pregnancy: respiratory system
Mucosal edematization, hoarseness, chest enlargement, and upper costal breathing.
Physiological alterations during pregnancy: renal system
Increased urinary volume
Physiological alterations during pregnancy: digestive system
Change in appetite, nausea, vomiting, constipation, diarrhoea, and heartburn
Physiological alterations during pregnancy: dermatological changes
Chloasma (hypercaptation of melanin)
Physiological alterations during pregnancy: hematological changes
Great need for iron, anemia
Oral changes during pregnancy:
- periodontal alterations
- buccal mucosa alterations
- dental alterations
PBD
Peridontal changes:
- inc estrogen and progesterone
- p intermedia and p gingivalis
- vascular alterations: mucosal erythema, edema, hyperaemia, and tendency to bleed
- gingivitis!!!
Oral mucosa and dental alterations:
Increased estrogen and progesterone
P. Intermedia and P.gingivalis.
Vascular activation—> mucosal erythema, edema, hyperaemia, and tendency to bleed. GINGIVITIS!!!
Alterations of the oral mucosa:
Granuloma of pregnancy (EPULIS GRAVIDATUM)—> vestibular, anterior region, second trimester, <2cm, bleeding and disappears after childbirth or with surgery.
Oral sores.
Dental alterations: increase in caries due to decrease in salivary pH.
Preimplantation stage:
Threshold dose
Possible alterations
Observations
100-200mSv
1-2% embryonic death
Spontaneous abortion rate 10-30%