Long-term prognosis in missing teeth reconstruction on implants (Part I)
During the last years the failure numbers in prosthetic work on implants raised significantly both in buccal aspects of dentition and in esthetic ones. The failures are caused mainly by improper implant positioning, not optimal quantity of individual implants brought in, using the implants of improper length and diameter, troubled surgical and orthopedic protocols. The article describes the onset grounds of various complications in implant prosthetics.