I start having really sore gums, this is apparently quite common in pregnancy. I called the dentists but was told he was on holiday and I would have to wait 3 weeks, I said I was in that much pain and couldn't wait that long to see someone, the receptionist said there was nothing they could do about it. (I am now in the process of changing dentists)
I started using Oral B Premium gum protection toothpaste and its amazing!
Used it for about four weeks and all soreness has gone. I will now never use another toothpaste as this has worked wonders.
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