Occlusion and Dis-Occlusion Time in Mandibular Overdentures Supported by Conventional Versus Mini- Dental Implants
Evaluation of The Occlusion and Dis-Occlusion Time in Mandibular Single Overdentures Supported by Conventional Versus Mini- Dental Implants; A Parallel Blinded Randomized Clinical Trial
Ain Shams University
28 participants
Nov 29, 2025
INTERVENTIONAL
Conditions
Summary
The aim of the study will be comparing between the occlusion and disocclusion time in mandibular single overdenture supported with immediately loaded two conventional implants versus immediately loaded four mini-implants. Research question Is there a difference in occlusion and disocclusion time between two mandibular single dentures, one supported by immediately loaded two conventional implants and the second one supported by immediately loaded four mini-implants? Primary outcome: occlusion and disocclusion time Secondary outcome: Kapur index The null hypothesis is that there is no difference between both treatment modalities on occlusion and disocclusion time.
Eligibility
Inclusion Criteria3
- patients with completely edentulous mandibular ridges and fully dentate or partially dentate maxillary arch restored with fixed restoration,
- enough inter-arch space to allow for prosthetic rehabilitation with lower implant-retained overdentures
- good oral hygiene and motivation.
Exclusion Criteria1
- The excluded patients will be patients with major systemic diseases that may affect osseointegration as uncontrolled diabetes mellitus, pregnancy, patients under bisphosphonate treatment.
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Interventions
For group MI patient, four screw type one piece mini dental implants will be inserted in the predetermined implant sites in the symphesial region. The position of the two distal implants will be marked 6 mm mesial to each mental foramen. The position of the other two implants will be marked equidistant from the distal implants with and at least 5 mm apart
For group CI patient, two screw type conventional implants will be inserted in the symphesial region.
Locations(2)
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NCT07256106