View clinical trials related to Edentulous Jaw.
Filter by:This study aims to investigate the accuracy of complete-arch digital implant impression using newly designed scan bodies with extensional structure.
Implant retained overdentures are a cost-effective treatment for elderly patients suffering from complete tooth loss. Despite the high success rate of implants in the general population, older adults lacking all teeth are a challenging population for implant therapy, often presenting limited bone disponibility, narrow alveolar ridges, diminished bone density, scarce inserted gingiva and several co-morbidities.Thus, improving their possibility of success in implant therapy avoiding further surgical interventions is key. Platelet-rich fibrin (PRF) is a blood derivate that can be easily and economically obtained from patients and that has shown promise of reducing the complications and improving the success of implant therapy, nevertheless its benefits in patients receiving implant retained overdentures has not been stablished. It is possible that PRF can improve the results and diminish the complications of implant therapy in older adults. The investigation aims to demonstrate that the use of platelet-rich fibirn (PRF) is safe and beneficial for implant treatment in older adults suffering from complete tooth loss.
To evaluate in a comparative way the patient's perception in implant surgery in the posterior mandibular quadrants depending on whether the operation is performed under trunk anaesthesia or infiltrative anaesthesia, in both cases with Articaine. Randomized and multicenter prospective study to be developed in eight centers with similar socio-professional characteristics, with the same operative protocol. A significant sample of patients will be randomized to undergo the same intervention (surgery to place implants in the posterior mandible) under one or another type of anesthesia (inferior alveolar block nerve or infiltrative) and data will be collected using a Numerical Rate scale on four occasions (after the incision, after drilling, after suturing and after 12h).
This will be a prospective, randomized multicenter study to determine the safety and efficacy of the T3 Certain Tapered with DCD as compared to T3 Certain Tapered without DCD. All implants will be placed in the maxilla or mandible in a single stage manner and loaded with prosthesis after 6 weeks of healing. Final restorations will take place no later than 4 months following implant placement surgery. The implants will be evaluated yearly for 2 years.
Purpose: Evaluation of patients' satisfaction, biting force measurement and radiographic evaluation of abutment teeth of tooth implant supported bridge, unilateral attachment and conventional partial denture in mandibular distal extension cases. Materials and methods: Twenty four patients were selected and divided into three equal groups, each of eight patients: patients of group I Patients received a fixed tooth implant supported bridge, patients of group II Patients received a removable unilateral attachment partial denture and group III Patients received a conventional removable partial denture.Evaluation included patient satisfaction and biting force measurement radiographic evaluation of terminal abutments.
The study population comprises 20 completely edentulous patients aged 60 years and older with severe mandible resorption. Each patient receives two inter-foraminal implants (Neoss Ltd., Harrogate, UK). Following randomization, implants are loaded either immediately after dental implant surgery or three months after implant placement with the Locator®-abutment system. At follow-up visits 3, 6 12, 24 and 36 months after loading, implant stability is evaluated with Periotest® and Ostell®.
This clinical study will evaluate the safety and performance of the T3 short dental implant when placed in the posterior maxilla and mandible.
This will be a prospective, randomized, observational study. All implants will be placed in either the maxilla or mandible and loaded within 2 months with a provisional or definitive prosthesis. The implants will be evaluated yearly for 2 years.
Purpose: To determine if adjustment of full-arch zirconia frameworks processed on a model obtained with an intraoral scanner and an auxiliary device is not inferior to that of identical frameworks obtained from an elastomeric impression. Materials and methods: Eight consecutive patients ready for a full-arch rehabilitation on already osseointegrated implants were selected. Two sets of impressions were taken, one open tray with polyether and splinted impression copings and a second one with an intraoral scanner. A verification plaster jig was used for the elastomeric impression and a prefabricated auxiliary device was used to adjust the optical intraoral impressions. Two full-zirconia frameworks with the same design were processed and tested on the patient by two independent calibrated operators. Accuracy of both frameworks was measured by calibrated blinded operators, who determined tactile adjustment, Sheffield test, radiographic adjustment, and screwing torque. Overall perception of adjustment was used to determine the better framework to be delivered to the patient. Hº: Frameworks obtained from an impression taken with an intraoral scanner are not inferior in accuracy to those obtained from a conventional elastomeric impression
This will be a prospective, observational multicenter study. All implants will be placed in the anterior maxilla or mandible and immediately loaded with a provisional prosthesis out of occlusion. Final restorations insertion will take place no later than 6 months following implant placement surgery. All implants will be restored with a single crown or splinted to a pre-existing implant if in the pre-molar region (no 2 adjacent edentulous sites).