For example the median expected annual pay for a typical Horse Rider/Exerciser in the United States is $53,327, so 50% of the people who perform the job of Horse Rider/Exerciser in the United States are expected to make less than $53,327. Percentile.
The short answer is, Yes! Gums can and do grow back on their own without your having to do anything special. Because oral hygiene professionals don't talk about this, it's hard to say how common it is. Now, to give you a response that any dentist would give you; yes.
Blood thinners like warfarin (Coumadin) can make you bleed more easily -- including from your gums. Some anti-seizure, blood pressure, and immune-suppressing drugs make the gums grow too quickly. The new gum tissue is more delicate and may bleed when you brush it.