A dentist told me nearly all my molars were subject to cracking and would need crowns soon. Sure enough, they did.
‘Cracking’ seems to be the new notion among dentists. I was told three years ago by a dentist that I had lots of ‘micro cracks’ and they could probably do some kind of ‘laser treatment’.
I’ve had an actual cracked tooth - it led to several years of trigeminal neuralgia (the ‘suicide disease’) but no dentist could find it - they kept trying to do TMJ therapy on me.
Finally I went back to my childhood dentist’s practice - I had avoided them, because they didn’t take my insurance. They found it right away, with a simple X-ray.
Take the time, and pay the money you have to, to get your teeth done right by an honest dentist.