Pregnancy brings physiological, dietary, and hormonal changes that raise the risk of gum disease and cavities. The post notes that unmanaged oral health problems during pregnancy can also increase the risk of cavities in the child, meaning a mother's oral care routine before, during, and after pregnancy affects her baby's future oral health.
It reassures readers that dental visits -- cleanings, exams, and asking questions about changes in the mouth -- are safe and important throughout pregnancy. X-rays are also safe as long as a lead apron covers the neck (protecting the thyroid) and belly.
Routine and urgent procedures like fillings and extractions can be done safely during pregnancy, and the post recommends treating them promptly rather than waiting, to avoid bacteria from dental problems entering the bloodstream.
One caveat: by the third trimester it becomes harder to lie flat for extended periods, so non-exam procedures (fillings, etc.) are best scheduled during the second trimester.
The overall message is that prenatal dental care benefits both the mother and, later, the child -- keeping infants and toddlers cavity-free from the start makes them less likely to develop cavities as they grow older.