Tooth loss can cause loss of occlusal, masticatory, esthetic, physiognomic, phonetic and psychosocial function of patients. The most frequently used treatment method of completely edentulous patients and patients with a small number of remaining teeth are complete dentures or overdentures. One of the most important clinical and laboratory procedures in their fabrication is functional impression...

Prosthodontic practice should always concentrate on procedures that prevent the excessive loss of jaw bone and those that contribute in maintaining the alveolar ridge height. Overdentures are one such option wherein roots prevent alveolar bone resorption, provide better load transmission, maintain sensory feedback and achieve better stability of denture with emphasis on psychological aspect of ...

As implant-assisted dentistry continues to grow, increasing emphasis is being placed on the surgical positioning of implants so that they can be optimally restored. While this is essential for esthetics with fixed implant restorations, it is equally important with implant overdentures, where the type of retentive mechanism artificial tooth position, and denture flange contour may be affected by...

Transmission of masticatory load in mandibular implant-retained overdentures was evaluated using a three-dimensional finite element model. The reaction forces on the distal edentulous mucosa and the stress on the perimplant bone were compared in overdentures retained either by two ball attachments or by two clips on a bar connecting two implants. In the finite element model, a 35 N load on the ...

PURPOSE Many different attachment systems (eg, bars, studs, magnets, telescopic copings) have been used to retain overdentures. The current study aimed to investigate the load transfer characteristics and to compare the stress levels of four attachment designs for mandibular overdentures retained by one central implant and two inclined distal implants. MATERIALS AND METHODS Photoelastic mandi...

Success rates for titanium dental implants in the anterior mandible are very high. Because of these success rates, as well as lower costs, it is common to treat edentulous patients with just 2 implants and ball anchors for retention of the overdenture, instead of 4 implants and a bar. In this paper the fabrication of 2-implant overdentures is described. In a controlled clinical trial (to be rep...

BACKGROUND This study was aimed to evaluate complete mandibular overdentures retained by a symphyseal single implant using ball and magnet attachments in both clinical and radiographic evaluation. MATERIALS AND METHODS Ten dental press fit titanium implants were installed in the lower jaws of completely edentulous patients according to two-stage surgical protocol. For each patient, one implan...

This study aimed to assess marginal bone loss and complication rates of mandibular overdentures retained on two implants with conventional immediate loading protocols. Twenty edentulous patients were treated two-implant-retained new complete maxillary dentures. In one half the sample, loaded immediately by VulkanLoc® abutments. counterpart group, these abutments connected months after implant p...