Next week, I am having alloderm gum tissue grafting for gum recession. How will this first experience be?

My concern is that the dentist will find that my remaining gum tissue will be too thin and that he will tell me that it will not hold the alloderm under the existing gumline and that he will have to extract some teeth due to moderate to severe recession issues. I did not ask him about this at the last consult and thought of it at home. I will not call the dental office at this point in time. Any ideas?

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