My daughter went to dentist about 3 weeks ago and where the dentist probably put a shot of novacaine now is a big round protruding blister like sore. When I put a Q-tip on it a little blood and pus appeared. It's slightly sore. Is there a home remedy or should I call the dentist on a Sunday? It actually looks like a tooth coming in on her upper gum.
Where the dentist gave the anesthesia would not be present 3 weeks later. If it is a blister above the tooth and pus came out, then your daughter has an abcess. An abcess is an infection that needs to be treated first with antibiotics and then the tooth needs to be extracted or removed. Once the tooth abcesses, there is no way to save the tooth.
I do not know the age of your daughter; but if she is under 12 years of age,(this also depends on the amount of root remaining) she will need to also have a space maintainer placed after the tooth is extracted. (1st primary molars are lost between the ages of 10-12 and second primary molars between 11-13). So, I would contact your dentist and explain what is occurring and get an antibiotic.
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