There are many causes for this pain. If it is after the surgery, pleas consult with your dentist. If it is after the crown was collocated, it is probably a peri-implantitis. A peri-implantitis is a deficiency in the implant hygiene, which produces a loss of bone around the implant and, in case it is not treated on time, it can end with the loss of the implant. Please consult with your dentist. Dental implants Buenos Aires patients have trusted their oral health to Drs. Pelcman's Practice for more than 30 years. As a talented restorative and cosmetic dentist in Argentina, Dr. Samuel Pelcman, together with his son Dr. Martin Pelcman, provides a range of treatments to enhance the health and beauty of his patients' smiles. Over the years he has helped many Buenos Aires teeth whitening, dental crowns and dentures patients. In addition, he is regarded as a top Argentina periodontist.