Deep cleaning??

I won’t lie, I had WONDERFUL teeth before kids besides the fact that they were crowded. After having 3 kids my teeth got a little worse but still fixable I only have 2 cavities. But they are pretty deep ones that may need root canals. Regardless, I had really bad post natal depression with my daughter and post partum after my daughter and son. I didn’t take very well care of my teeth during this time, I need a deep cleaning done which requires anesthesia. I’m terrified of shots in the mouth and just dental work in general. But I want to be healthy in the mouth again, has anyone here ever had a deep cleaning due to plaque build up? How bad is the procedure? Are there ways they can numb me without the shots themselves or will I have to do them? Can they give me gas for anxiety before or no? How much did your teeth hurt after the numbing wore off and for how long? I’ve since healed from my depression which is why I’m fixing my teeth TIA 🙏🏼❤️

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