BACKGROUND The purpose of this clinical study was to evaluate the complications associated with the different attachments used in implant-supported overdentures, including prosthetic problems and implant failures. A comparison of ball, bar and Locator (Zest Anchors, Inc, homepage, Escondido, CA, USA) attachments, in completely edentulous patients with two, three or four implants, was conducted....

PURPOSE The aims of this study were to examine the long-term survival and the prosthetic treatment outcome of screw-type, tapered implants placed in a private practice setting and to explore potential risk factors of implant failures. MATERIALS AND METHODS In this retrospective analysis of patients treated with endosseous screw-type tapered implants, data relative to implant placement and fai...

OBJECTIVES Clear guidelines when to remove an implant are missing. The aim of this study was evaluate the amount peri-implant bone loss at explantation by specialists. MATERIAL AND METHODS Implantology specialists were asked provide implants explanted due peri-implantitis with related clinical information. Early failures (survival time <12 months) analyzed separately. Questionnaires inquired ag...

There is general agreement that excessive stress to the bone-implant interface may result in implant overload and failure. Early failure of the implant due to excessive loading occurs shortly after uncovering the implant. Excess load on a final restoration after successful implant integration can result in physical failure of the implant structure. Many clinicians believe that overload of denta...

OBJECTIVE Aimed to evaluate the long-term clinical and radiographic outcomes of short implants supporting single crowns in the posterior regions. MATERIAL AND METHODS A retrospective study design was adopted. The clinical and radiographic data of 231 short implants (intra-bony length ≤8 mm) supporting single crowns in 168 patients, were collected after 5-10 (mean 7.22) years' follow-up. Impla...

Although high success rates for root-form endosseous implants have been reported, failures occasionally occur, and these implants must be removed. At least 10% of the failures have been suggested to be the result of peri-implantitis. There is some evidence that periodontal pathogens, mainly those belonging to the group of gram-negative anaerobic rods, play a role in the etiology of peri-implant...

STATEMENT OF PROBLEM Scientific evidence is lacking to support the general application of implant-supported mandibular overdentures. PURPOSE This randomized clinical trial was undertaken to compare the efficacy of conventional mandibular and implant-supported overdentures in diabetic edentulous patients with clinically acceptable metabolic control. METHOD A total of 102 diabetic patients, t...

BACKGROUND Osseointegrated endosseous implants are widely used for the rehabilitation of completely and partially edentulous patients, being the final prosthodontic treatment more predictable and the failures extremely infrequent. A case of fracture of an endosseous dental implant, replacing the maxillary first molar, occurring in a middle-age woman, 5 years after placement is reported. MATER...

OBJECTIVES To test the null hypothesis of no difference in the implant failure rates, marginal bone loss (MBL) and postoperative infection in patients who received platform-switched implants or platform-matched implants, against the alternative hypothesis of a difference. DATA Main search terms used in combination: dental implant, oral implant, platform switch, switched platform, platform mis...

Dental implants have been used in replacing broken or damaged teeth. There are failures after the operation was done due to lack of primary stability. Through improving design dental implant, stability can be achieved. The aim study is analyse stress distribution at bone-implant interface different micro-thread designs. Five types two-dimension shapes implant embedded bone cube modeled ANSYS AP...