Happened to me too, I was surprised when it just stopped hurting one day and healed
Aside: My wife recently had a kid and the experience taught me how much work gets done to you just because you're being monitored that you may not actually need. You definitely need to know your own body and trust yourself to some degree. At least pregnancy is having a resurgence in "natural" birth.
Is dentistry the same? I could see this as plausible. My assumption at times has been that people's teeth all just fell out immediately before the 1900s lol, which is probably further from the truth