I know of so many people in the previous generation who all had to have all their teeth pulled and replaced with dentures before they were even 40. Makes me wonder what was going on. My mom had all her teeth pulled before she was 30, yet my sister and I both have great teeth, and all of us grew up on the same farm, drinking the same well water. While my best friend, whose dental practices are surely no worse than mine, has teeth that are basically falling apart. I think it's a combination of genetics, brushing/flossing/dental care (including fluoride in the water), and nutrition in childhood. And genetics usually wins, doesn't it?

My teeth aren't falling apart, but at 57 I've got 4 crowns and have had one molar other than my wisdom teeth pulled (which I've still got two of - only the top wisdom teeth were pulled.) I think that's fairly decent all things considered. I know my father, who is 91, has most of his own teeth, maybe one implant, and a few crowns, so I hope to continue this way for the future.

I have good, naturally straight teeth. But I have a problem with clenching my jam at night with causes cracks and damage. I do have a bite plane, but I don't sleep well with it in. I woke up the other night with the bite plane in my hand, and my hand sticking out from under the covers. It took a few more minutes to wake up enough to figure out I needed to get to the bathroom and put it in it's case.

clenching my jaw at night which causes cracks and damage

That's why I have crowns. My teeth have fillings, then they crack, then I eat popcorn and there goes part of a tooth. I have one tooth my dentist is pushing me to crown because it's cracked and the filling is getting a little loose. I really should tell him at my next cleaning to schedule the crown.

My grinding was apparently why my gums were so inflamed. I'm still crap about sleeping with my night guard, though.

For some reason when I was in fifth grade I stopped brushing my teeth. Then I got five cavities at same time. So I went back to brushing and since then I've had a few cavities in the last ten years but with bi-yearly dentist visits they were all small and easy to fix.

Eta: I haven't always taken the best care of my teeth the last ten years. Like not brushing my teeth on weekends when I was depressed.

In 1930s England. We've come a long way.

Oh yeah. Both of my grandfathers had dentures as far back as I can remember, so no older than 60. But neither of my grandmothers ever did.

I'm pretty sure a woman who worked at my old nail salon got dentures in her 20s or 30s, but my assumption there was that it was cheaper than fixing multiple bad teeth.

Yeah, depression over the years has definitely taken a toll on my tooth care.

I have gone to the dentist twice a year and flossed for most of my life. My teeth started falling apart in my teens. I have nine inlays and onlays (formerly 11) and have had to have three teeth pulled. I have the world's most expensive implant, since that tooth had a root canal, was broken during surgery and had two crowns that failed.

I inherited my mother's teeth. I lose at the genetic lottery.

My parents both still have mostly their own teeth in their 70s, so I expect to, also. I probably have an extra edge from fluoridated water - they started adding fluoride in between when my mom was pregnant with my older brother and me and I have had noticeably less trouble with my teeth all my life than he has. Other than the crookedness, but that seems like a separate issue to me.