<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hello, I am a very worried mom, looking for answers. I have a 20month of little girl, who goes in or dental surgery on the 19th of this month. She was a premiee, born at 36wks, weighing in at 5lbs 4oz. A very healthy little girl. Her name is Eleni. As I said, she is 20mos old. She didnt start to get teeth until about 8mos. She started off with just the 2 bottom teeth until about14mos. Then all the sudden was getting two at a time. About 2months ago we noticed some brown spots on her two upper front teeth. Within about 1 to 2wks of this discovery, a piece of one of the teeth had broke offthe enamel. We took her to a pedatric specialist, who said that he would try his best to cap the teeth, but, it he wasnt able to he would haveto pull them out. She will be having this procedure done at franklin square hospital in Marylad. They will be putting her under general anestesia. I have two other children 9 10, neither have ever even had a cavity. Now my eleni has 3. The doctor never gave us any reasoning on why his was happening. She is a good brusher, even at this young age. Eleni is very smart loves to brush her eeth. My husband and I are very concerned about all of this. Just so unsure about putting such a young child under anestesia. Can you add any insight on this matter? Thank you fr your time!!Very concerned mom, Amanda.  <response>: Hello: Welcome to Chat Doctor. It is safe and common for a child to be on general anesthesia as they generally do not cooperate with the procedures. Do not panic. Eruption of milk teeth at age of 6 months is common, at times they get it at 8 months. This is not abnormal. You must discuss with your dentist why these cavitiesbrown spots appeared on her teeth. Discuss with your hygienist about preventive measures. This will also help you prevent cavities in the future. Comfort your child regarding the procedure. Prepare her with a positive attitude. Do not stress yourself or scare her. Check the levels of fluoride in your Chat Doctor. Higher fluoride can make her teeth brown. Gargle after every meal. She must brush before bed, never sleep off while having milksugar syrups etc. Hope this helps. 