48 hours<span>Most plaque hardens within 48 hours of formation, and within several days it will become so hard that it is almost impossible to remove. This hard substance is tartar and the only way to remove it is to see your dentist for a professional scraping of your teeth.
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There is a range of options for pain relief in labour including non-medical techniques ... Knowing what to expect during the various stages of labour can help reduce anxiety.
If the mother is vegan and breastfeeding, the baby will need vitamin B-12 supplements.
