An interventional study of dental implants in the mandible and locator attachment and overdenture in Prosthesis Durability, sponsored by Mansoura University. Completed at 1 site in Egypt. Open to participants aged 40 Years to 70 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2023-04-20.
Sponsored by Mansoura University · Not applicable, Interventional, and Treatment
The purpose of this study will be to evaluate the effect of direct and indirect pick up of the locator retentive caps and compare the clinical results with those of the manufacturer retentive force.
Patient selection:
For this study, 30 patients were selected from the clinic of Prosthodontic Department, Faculty of Dentistry, Mansoura University.
According to pick up technique for the locator retentive caps, the overdentures will be classified into two groups as follows; Group1: The retentive caps will be picked up by indirect method on the cast then by the direct method Group2: The retentive caps will be picked up in the patient by the direct method first then by the indirect method.
For both groups, the clinical retention will be measured after using pink and blue retentive inserts respectively.
All implants were inserted using computer-guided implant surgery and conventional loading protocol was used.
Evaluation methods The clinical retention of each insert will be calibrated as regards the manufacturer's value.
Also, the laboratory retention will be assessed for the two groups and calibrated as regards the manufacturer's value.
Measurements will be done immediately, three and six months after each overdenture insertion.
111 studies on the registry are indexed under Prosthesis Failure; 34 are open to participants now.
This study's enrollment of 30 is below the median of 35 across 66 interventional studies indexed under Prosthesis Failure.
Browse Prosthesis Failure studies →Mansoura University is the lead sponsor of 1,077 studies on the registry; 183 are open to participants now.
Of its 9 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.
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● Free from any systemic disease that may interfere with the osseointegration of implants.
Exclusion Criteria:
GroupI: The retentive caps will be picked up by the indirect method on the cast first, then by the direct method.
Procedure: dental implants in the mandible · Device: locator attachment and overdenture
GroupII: The retentive caps will be picked up by the direct method on the cast first, then by the indirect method.
Procedure: dental implants in the mandible · Device: locator attachment and overdenture
placement of two interforaminal dental implants in the canine region in the mandible
placement of locator attachment and insertion of mandibular overdenture
measurement of overdenture retention
measuring the clinical retention of the locator retained mandibular overdenture by forcemeter
Time frame: three months
marginal bone loss
measuring crestal bone loss around dental implants in mm by digital radiography
Time frame: one year
plaque index
measuring plaque around dental implants using scoring system: score 0; absence plaque , score 1; plaque only detected by a probe passing through the smooth marginal surface of the implant, score 2; plaque can be recognized by naked eye, and score 3; plenty of soft matter.
Time frame: one year
gingival index
measuring gingival bleeding using scoring system: 0; no bleeding when a periodontal probe is passed along the mucosal margin, 1;isolated bleeding spots visible, 2; blood forms a confluent red line on the mucosal margin, 3;heavy or profuse bleeding
Time frame: one year
pocket depth
measuring pocket depth around dental implants in mm using periodontal probe
Time frame: one year
This study is completed, as verified in Feb 2023. You cannot join it, but the record below documents what was studied.
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Mansoura University