i got a procedure whic involved removing all my teeth.......fast forward iths the biggest regret in my life. it was nothing like the said.. long story short as of now my top implant broke i half and i have only half of my top teeth...the left half,,,, please avoid the all o four that he will try ad sell you its a 60,000$ rip off or hes just not very good at the procedure which may very well be the case read more