Dental printers are a pretty standard way to make these things. There's a whole regulatory process for testing and certifying the printers and their resins for continued contact with gums/skin/teeth for toxicity, infection, irritation, etc.
But there are still significant drawbacks to using dead synthetic stuff as a replacement for living tissue.
If you eat nothing but rabbit or other lean protein your body can essentially starve because it's not getting enough fat and carbohydrates. But eating rabbits in addition to a diet that has fat from other sources makes the entire meal plan balanced enough to where the rabbit is a helpful/important part of the balanced diet.
What sense does it make if you raise your population and everyone is miserably poor or on the edge of becoming poor?
There's an overall negative correlation between wealth and fertility, so it's not like the rich are having a ton of kids, either. Or even the societies with decent metrics on wealth or income equality, still tend to be low birth rate countries.
It's a difficult problem, with no one solution (because it's not one cause). Some of it is cultural. Some of it is economic. There are a lot of feedback effects and peer effects, too. And each society has its own mix of cultural and economic issues.
And I'm not actually disagreeing with you. I think there's probably something to be said for cheap cost of living allowing for people to be more comfortable having more children (or at a younger age, which also mathematically grows populations faster than having the same number of children at an older age).
Slang term for ejaculating, usually with some projectile distance implied. Very popular term in the mid-2000's, see Get Low by Lil Jon.
Coral can recover after bleaching, so the threshold for bleaching is different from the threshold for dying.
Thompson's Teeth: The only teeth strong enough to eat other teeth!