Status:

COMPLETED

Digital Versus Conventional Impression CAD\CAM Constructed 4- Implant Supported Mandibular Overdenture Base

Lead Sponsor:

Mansoura University

Conditions:

Implant Complication

Eligibility:

All Genders

40-60 years

Phase:

NA

Brief Summary

This clinical study was done to compare between digital with conventional impression used in the CAD/CAM constructed 4- implant supported mandibular overdenture base regarding their effect on the bone...

Detailed Description

The patients were classified randomly into two equal groups according to impression techniques of mandibular implants and residual ridge: Group 1: conventional impression group (CIG). Group 2: digita...

Eligibility Criteria

Inclusion

  • All patient wearing maxillary conventional denture.
  • All patients had temporary mandibular overdenture supported by vertically inserted 4-implant at least six months ago.
  • A Cone Beam Computed Tomography (CBCT) done to verify the accurate position and success of the inserted implant.
  • They were healthy, free from any systemic diseases relating to bone resorption such as uncontrolled diabetics or osteoporosis. This was achieved through medical history and clinical examination by physician.
  • At least 15 mm restorative space must be available (from the mucosa covering the crest of the residual ridge to proposed occlusal plane) to permit construction of all types of tested prosthesis (class I according to Ahuja and Cagna). This was detected by a tentative jaw relation.
  • All patients are of angel's class I maxillo-mandibular relationships.

Exclusion

  • Patients had head and neck radiotherapy, patients with bleeding disorders or hepatic patients.
  • Patients with metabolic disorders as diabetes mellitus, osteoporosis and hepatic disorders that might affect osseointegration.
  • Long term immunosuppress and corticosteroid drug therapy.
  • Patient with abnormal habits as clenching and bruxism.
  • Smoking patient.
  • Uncooperative patients.
  • Neuromuscular diseases.
  • Patient with problems in TMJ.

Key Trial Info

Start Date :

February 20 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 7 2023

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT06071676

Start Date

February 20 2022

End Date

February 7 2023

Last Update

October 17 2023

Active Locations (1)

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1

Faculty of Dentistry

Al Mansurah, Egypt