Great question! Here's my take:
1) Who makes more $$$$$?- This one has to go to OMFS, or wait, maybe it's that high production orthodontist, ohh crap, maybe it's a tie. Yes, dentist 2010, it all depends. The question really kind of sucks because it varies so much from dr to dr and from region to region and there are so many ways to look at net income after residency. Here's the
truth though, they both make enough money to support you and your large family (I assume you have 9 or 10 children because the $$ is an issue). I know it's tough to understand this.......... they both are in like the 98th percentile for income in the US, so either way you will probably have one of the nicer yachts in the yacht-club
👎. I hope that you are really worried about this so that you can donate large amounts of money to charities, right? (wink, wink, nudge, nudge)

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2) Better lifestyle? I know so many orthodontists who barely work at all, they make good money, make patients happy and have low handicaps on the golf course. Oh but I forgot the oral surgeons who work relatively more hours, make patients happy, get to cutt, and they love it (I'm pretty sure that's because it's innate to them to be hard workers, after all they chose OMFS). They spend plenty of time with family and still have great practices. Crap another tie.
Hopefully the last category will settle this dispute.
3)More prestige?... More prestige?????? Are you serious? Really?? Prestige?? Come on, you have to be a med student jacking around with us dents on this forum. I thought that the people who worried most about prestige became MD's or lawyers. Did someone give you their member ID and password? Come on, tell the truth.......
On a serious note though (this should hit you like a ton of bricks) they are both prestigious. I once dated the daughter of an oral surgeon- man did I feel lucky to date the daughter of such a prestigious guy
😀. I was best friends with the son of an orthodontist. I think that my prestige level went up five bottles (that's how prestige is measured, in bottles of Crystal!!!).
So in closing.... don't ask stupid questions, just do want you like and you'll make plenty of money, you'll have a higher probability of being happy, and your prestige level will be like a 70 bottle level (that's 70 out of 89.9, which is really good).
P.S. I did know a gardener who had a prestige level of 85 bottles, yeah he was that good- his manicured lawn would bring you to your knees.