dr. Maleki remove 1 abutment that didn't have a head and was flush with the implant, He was very carfull and explain what he was doing during the procedure. I had previous done a lot of treatments in my dental but this experience was one of the best that i had, i recomend dr. Maleki to everybody, he is really good, his staff has great too. fell free to contact me for dr. Maleki references "joao978970@hotmail.com"