Dental care during pregnancy is not only safe, it is actively recommended. Hormonal changes make gum problems considerably more likely, and pregnancy is a poor time to leave a dental problem untreated. In the UK, NHS dental treatment is free while you are pregnant and for twelve months after your baby is born, which removes one obstacle to getting seen.
Why gums change during pregnancy
Raised progesterone levels make gum tissue respond more strongly to plaque. The result, often called pregnancy gingivitis, typically appears between the second and eighth month: gums become swollen, tender and bleed more easily when brushing. It affects a large proportion of pregnancies and is not a sign you have started cleaning badly.
The practical implication is that the same standard of brushing that kept your gums healthy before may no longer be enough. Cleaning between the teeth daily becomes more important, not less, even though the gums are tender and it feels counterintuitive to keep going when they bleed. Gums that bleed need cleaning more carefully, not less.
A small number of people develop a pregnancy epulis — a soft, red lump on the gum that bleeds easily. It sounds alarming but is harmless and usually resolves after birth. Have it checked to confirm what it is.
Morning sickness and your enamel
Stomach acid is considerably stronger than anything in your diet, and repeated vomiting can erode enamel, particularly on the inner surfaces of the upper front teeth. The instinct to brush straight away is understandable and it is the wrong move: enamel is temporarily softened after acid exposure, and brushing then scrubs it away.
Rinse immediately with plain water, or water with a teaspoon of bicarbonate of soda to neutralise the acid
Wait at least an hour before brushing
Use a fluoride toothpaste and spit rather than rinse afterwards
Smear fluoride toothpaste over the teeth with a finger in the meantime if you want to do something
If a minty toothpaste triggers nausea, switch to a milder or unflavoured one rather than skipping brushing
What treatment can be done
Check-ups, hygiene appointments and scale and polish are all appropriate at any stage. Fillings and most routine treatment can be carried out, and local anaesthetic is considered safe in pregnancy. The second trimester is often the most comfortable time for longer appointments — early pregnancy can bring nausea, and by the third trimester lying back for a long period is less comfortable.
Routine X-rays are usually deferred until after birth simply because there is rarely a reason not to wait. Where an X-ray is genuinely needed to diagnose a problem, modern dental X-rays involve a very low dose directed away from the abdomen, and delaying necessary treatment carries its own risk. Elective cosmetic work, including whitening, is generally postponed until after pregnancy.
Always tell us you are pregnant, and how far along, so treatment and medication can be planned appropriately. Do the same at the pharmacy — some over-the-counter painkillers are not suitable.
Do not ignore toothache
Untreated infection is a greater risk than the treatment for it. Dental abscesses cause significant pain and stress, and neither is good in pregnancy. If you have toothache, facial swelling, or a tooth that has broken, get seen promptly rather than waiting until after the birth.
Our emergency dental care page explains how to be seen quickly, and you can call our Burton Joyce practice on 0115 931 2935.
Two myths worth retiring
The first is that a baby takes calcium from your teeth. It does not — the calcium your baby needs comes from your diet and, if necessary, from your bones, not from enamel. Teeth do not demineralise because of pregnancy itself. Where problems arise, the causes are gum inflammation, acid from sickness, and changes in diet and cleaning habits.
The second is that you should avoid the dentist entirely while pregnant. The opposite holds. Gum disease during pregnancy has been associated in some research with premature birth and low birth weight, and while the nature of that link is still debated, keeping your gums healthy is sensible on every reading of the evidence.
After the birth
Free NHS dental care continues for twelve months after your baby is born, so it is worth booking a check-up in that window. It is also a good moment to think about your child's first visit — we recommend bringing children early so the practice becomes familiar rather than intimidating. See our guide to your child's first dental visit.
FAQ
Q: Is dental treatment safe during pregnancy? A: Yes. Check-ups, hygiene visits and most routine treatment including fillings can be carried out, and local anaesthetic is considered safe. Always tell your dentist you are pregnant and how far along you are.
Q: Is NHS dental care free when pregnant? A: Yes, in the UK NHS dental treatment is free while you are pregnant and for twelve months after your baby is born. You will need a maternity exemption certificate.
Q: Why are my gums bleeding during pregnancy? A: Raised progesterone makes gums react more strongly to plaque, causing pregnancy gingivitis. It is common and usually settles after birth, but it needs careful cleaning and a hygiene visit rather than being left.
Q: Should I brush after morning sickness? A: Not straight away. Rinse with water or water with bicarbonate of soda, then wait at least an hour before brushing, because enamel is temporarily softened by stomach acid.
Q: Can I have dental X-rays while pregnant? A: Routine X-rays are usually postponed, but where one is needed to diagnose a problem the dose is very low and directed away from the abdomen. Delaying necessary treatment carries its own risks.

