Thanks for aksing the query,
You should be very careful while using the drugs in pregnancy
as some drugs can cross the placental barrier and reach the feotus, so always consult your OBGYN
before taking the drugs.
The above mentioned drugs mentioned can be safely taken.
Avoid taking of x-rays during pregnancy.
At home take lukewarm saline and antiseptic mouthwash rinses.
You can plan for the removal of the tooth after the delivary of the child.
Till then maintain a good oral hygiene
Hope this helps out,