Does taking anti-coagulants affect having dental implants?

If you want to compare please compare the recent photos, the photograhs here look with a gap of more than 2-3 years atleast or even more, the extraction space gaps take atleast a year to completely close, i guess you should have taken a proper explantion before the start of the treatment, about...

Yes, placing dental implants and an arch of fully-supported teeth in the upper will restore your natural face shape. Sometimes even more lip support can be given but it depends on the patient. 

While it is recommended to see your dentist on a regular schedule, it is even more important to continue seeing your dentist before a joint replacement. The bump above the implants should be evaluated by a dentist, be it the one who placed the implants, the one who placed the crowns or...

Hello! I think you have a possible infection from how I see from the photo. Possible periimplantitis. Go back to your doctor and check for it and also you can do an X-ray to check for bone retraction or infection.  Sanatate!

Just to be clear, when was the implant placed and how long after placement did you develop the tingling sensation? 

Anastrozole has side effect of osteoporosis and osteopenia so it does affect the quality of bone in the jaw as well the healing process of the bone around the implant, so dental implant won’t be recommended in this case.