Tracy,
You know, your healthy teeth/gums don't have to change post-treatment. Mine have not. I was lucky early on that my teeth were resistant to decay when I was a kid. I don't know why cause I sure loved hard candy, although in my family we never kept soft drinks around, they were only for "special occasions", different from today. I'm not that old, but that was how it was.
I have one crown from having a large filling that might not have needed to be done, and the tooth eventually cracked, so my husband, who is my general dentist, put a porcelain crown on it--it's a molar. But now, I take excellent care of my teeth. I may floss them after every meal, depending. I do use fluoride trays although I hate them.

Your mucosa will change in your mouth. I have a little fibroma on my molar pad that is very soft, they looked at it at my last check up and told me it was nothing. If you take it out then you just have more scar tissue, and it looks like it is regressing at that. The tissue is just more sensitive. But when I have my teeth cleaned, they tell me my teeth look great, my gums look great, and I have more saliva than a lot of people, as they have a lot of elderly patients (won't say where that age begins, don't know) who have lost a lot of that without having radiation.

So be proactive and you won't be sorry. I have used kid toothbrushes, but we bought a whole bunch of smaller head very soft adult ones recently, so I can change out frequently. I will say it took a little searching to find them. A dentist might be able to help you if you wanted to find something like that.
Anne