Removing Dental Implants - What Type Dentist is Required?

It lly doesn't matter who, as much as "wo is willing.". Only a skilled experienced dentist would even try.   Generally speaking, an oral surgeon or periodontist is likely the choice.

Removing the dental implants is a simple and easy procedure.The adherence to dental implants depend on your bone quality and the removal of lower jaw implants are more typical as compared to the dental implants of the upper jaw. Sometimes, the dental implants removal creates a bigger hole and it becomes impossible to replace the implant. There it is needed to choose the dentist that is experienced and have complete knowledge of this typical procedure.  

I am very sorry to hear that you want 6 implants removed.  This sounds tragic.  Why would you want all 6 removed?  Removal of implants should be done by a qualified implantologist.  Though removing the implant can be difficult enough, maintaining the bone will be really difficult.  What do you and your dentist have planned once the implants are removed?  What type of restoration will be made in the interim healing phase.  Is this your decison because you are unhappy.  We need more details.  Good luck to you.