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Clinical Trial Summary

This case series will recruit patients who require lateral maxillary sinus floor elevation surgery. This procedure will be carried out as per standard surgical protocol. The periodontal resident performing the surgery will evaluate the Schneiderian membrane at several points during the surgery to determine its integrity (beyond visual inspection). This will be completed by using the videoscope to evaluate the membrane. This evaluation will take place at at least 3 points during the surgery (before membrane elevation, half-way through membrane elevation, and prior to initiating bone grafting procedures). If the resident wishes to evaluate the membrane at other points during the surgery to inspect the integrity of the membrane, this may be accomplished. This evaluation will be recorded for later, further evaluation by experienced periodontists. If no visible perforation is evident, a 1% baby shampoo solution in normal saline (Johnson and Johnson) will be applied topically over the membrane prior to videoscope evaluation. At this point, the patient will lightly blow their nose; if any micro-tears not visible to the naked eye are present, these tears will produce a bubbling effect, which will be recorded by the videoscope. This evaluation will take place with the 1st and 2nd videoscope evaluations (before membrane elevation, and mid-way through elevation). Patients will be asked to complete a VAS questionnaire at their one-week follow-up appointment in order to determine how post-op healing has been progressing. After all procedures have been performed, three experienced periodontists will individually evaluate the videos post-surgically. They will evaluate each video and determine if, in their opinion, there is a membrane perforation (yes/no). Each video will be evaluated in a random fashion (each video being evaluated as a separate event, and not by case). The evaluating periodontists will also be masked to the results noted by the surgeon who completed the surgery, and blinded to the patient's information.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04510701
Study type Observational
Source University of Manitoba
Contact
Status Completed
Phase
Start date November 1, 2020
Completion date January 1, 2022

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