Status:
COMPLETED
Accuracy of Conventional and Digital Impression Techniques Used for Maxillary Hybrid Prosthesis
Lead Sponsor:
Mansoura University
Conditions:
Prosthesis Durability
Eligibility:
All Genders
50-65 years
Phase:
NA
Brief Summary
evaluation and comparison of the accuracy of conventional and digital impression for full arch screw retained prosthesis for edentulous maxilla.
Detailed Description
Each patient received 6 implants in the maxillary ridge (widely distributed across the arch) in the following positions: central incisors, canines/first premolar teeth and first molar teeth aided by s...
Eligibility Criteria
Inclusion
- The patients were selected according to the following inclusion criteria:
- Completely edentulous maxillary and mandibular ridges
- Healthy ridge covered by normal oral mucosa and free from any ridge flabbiness.
- All of the patients were dissatisfied with the retention and stability of their maxillary conventional dentures and expressed a strong desire for a more stable prosthesis.
- Sufficient bone quantity and quality in the front and posterior maxillary regions, as determined by preoperative CBCT, to accommodate six implants with a diameter of at least 3.5 mm and a length of at least 10 mm.
- Enough restorative space (from the mucosa covering the crest of the maxillary residual ridge to the occlusal plane) to allow the fixed prosthesis to be constructed ,preliminary jaw relationship revealed this.
- It's been at least a year since the last extraction.
Exclusion
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- Systemic diseases that may alter tissue response to implantation and affects osseointegration (radiation, diabetes, osteoporosis, bleeding disorders or hepatic patients)
- Long term immunosuppressive and corticosteroid drug therapy.
- Patient with abnormal habits as clenching and bruxism.
- Smoking patients.
- Patients with problems in TMJ.
- Neuromuscular diseases.
Key Trial Info
Start Date :
March 1 2021
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
March 20 2022
Estimated Enrollment :
12 Patients enrolled
Trial Details
Trial ID
NCT05321589
Start Date
March 1 2021
End Date
March 20 2022
Last Update
April 11 2022
Active Locations (1)
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1
faculty of Dentistry , Mansoura University
Al Mansurah, DK, Egypt, 35516