About this trial
This study focuses on the comparison of different implant abutment connections configurations in implant supported screw retained fixed dental prostheses assessing their clinical and radiographic outcomes and to evaluate which implant abutment connection configuration have less biological and technical complications.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Adult patients with edentulous span in the posterior mandible of 3 missing teeth.
Candidates for an implant supported FDP in the posterior mandible.
Teeth in area of interest extracted at least 3 months prior.
Bone grafting not needed or only minor GBR needed.
Disqualifiers
Patients with edentulous span of less than 3 missing teeth (not eligible to receive a 3 unit 2 implant supported FDP)
Patients with healing period of extraction sites less than 3 months.
Extensive bone grafting required prior to or during implant placement.
Active Bruxism.
Trial design
Parallel
Treatments tested in this trial
hexed non hexed
DeviceA 3-unit screw-retained implant bridge over two conical internal hex implants will be supported using one hexed and one non-hexed abutment.
non-hexed non-hexed
Devicea 3-unit screw-retained implant bridge over two conical internal hex implants will be supported using two non-hexed abutments
Treatment groups
Trial outcomes
Primary outcomes
Marginal Bone Loss
Marginal bone level changes by standardized periapical radiographs.
Secondary outcomes
Technical or mechanical complications
screw loosening, screw fracture, abutment or implant fracture, prosthesis fracture or chipping
Biological complications
Peri implant bone loss, early implant failure.
Patient satisfaction
To be assesses by oral health impact profile-14 (OHIP-14), The scale includes 14 items covering various aspects of oral health-related quality of life, Score Range: from 0 to 56, Higher OHIP-14 scores indicate a worse outcome, representing a greater negative impact of oral health issues on quality of life, while lower scores suggest a better outcome or less impact on the individual's daily life.
Sponsors and contacts
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