Effect of Using (PEKK) Framework Versus (Co- Cr) Framework on The Bone of Mandibular Implant Supported Hybrid Prostheses
NCT ID: NCT06176014
Last Updated: 2023-12-19
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
14 participants
INTERVENTIONAL
2021-06-08
2023-09-02
Brief Summary
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Detailed Description
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* All patients will be informed in details about the nature of the investigation and the aim of the study. They will agree to take part in the study and will sign on an informed consent form.
* All participants will be given notice about their privacy practices, their legal duties and their rights.
* In case of implant treatment failure, the patients will receive a new well-fitting denture.
Patient's grouping:
In this study there will be two equal groups, grouping will be based on the material that will be used for framework construction:
Group I: framework will be fabricated using PEKK. Group II: frame work will be fabricated using cobalt chromium alloy.
Clinical steps:
Pre-prosthetic phase:-
* Conventional single lower denture will be made for all patients.
* Occlusal adjustment of upper teeth will be done for all patients.
* The single lower denture will be duplicated with radiographic markers and CBCT will be used to determine exact position of implants.
Surgical phase:-
* Five conventional implants in intraforaminal area will be placed according to the planned cone beam CT using surgical guide to accurately place the implants.
* Postoperative analgesics and anti-inflammatory medications will be described.
* After osseointegration, second surgery will be carried out and healing abutment will be screwed for each implant.
Prosthetic phase:-
* After healing period open top tray impression will be made.
* Jaw relation record will be taken using record bases and wax rims.
* Group I: The PEKK framework will be milled using milling machine.
* Group II: cobalt chromium framework will be made with wax pattern milling then casted by conventional method.
* The PEKK framework will be veneered with zirconia and the cobalt chromium will be veneered with porcelain.
* Implant supported fixed detachable prostheses using PEKK framework or cobalt-chromium framework will be screw retained to conventional implants.
Conditions
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Keywords
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Study Design
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RANDOMIZED
PARALLEL
OTHER
SINGLE
Study Groups
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(PEKK fixed hybrid prostheses
5 implants were placed in mandibular arch by surgical guide and after 3 months the prostheses was constructed by using digital workflow
implant placement
5 implant were placed in intraforaminal area using surgical guide
PFM fixed hybrid prostheses
5 implants were placed in mandibular arch by surgical guide and after 3 months the prostheses was constructed by using digital workflow until making wax pattern the casting was made.
implant placement
5 implant were placed in intraforaminal area using surgical guide
Interventions
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implant placement
5 implant were placed in intraforaminal area using surgical guide
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* All patients are with completely edentulous mandible.
* Good oral hygiene is mandatory.
* Sufficient interarch space to accept implant supported fixed prosthesis will be diagnosed by mounted diagnostic casts.
* Firm and healthy mucosa covering the alveolar ridge.
* Minimum bone width 5.5mm buccolinguallly and 10 mm height will be diagnosed by the preoperative cone beam CT scan.
Exclusion Criteria
* Patients with Para functional habits.
* Patients having TMJ disorders.
* Uncontrolled diabetic patients
* Patients have any medical condition or any disease that could interfere with implant placement or affect bone loss.
50 Years
60 Years
FEMALE
Yes
Sponsors
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Ain Shams University
OTHER
Responsible Party
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Principal Investigators
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dina essam bahig
Role: PRINCIPAL_INVESTIGATOR
Ain Shams University
Locations
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Dalia Mohammed Farid
Cairo, , Egypt
Countries
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Other Identifiers
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FDASU-RecID032134
Identifier Type: -
Identifier Source: org_study_id