Related Experiment Video
Updated: Aug 8, 2026

The Mouse Round-window Approach for Ototoxic Agent Delivery: A Rapid and Reliable Technique for Inducing Cochlear Cell Degeneration
Published on: November 26, 2015
Practice tip. Which cerumenolytic?
1University of Western Australia.
Aim:
To test the in vitro dispersion of ear wax by four commonly used cerumenolytics.
Method:
Equal parts of the same piece of ear wax were covered with 10 mL of each preparation and observed for up to 30 days.
Results:
Sodium bicarbonate and Waxsol dispersed wax within 2 hours, Cerumol was much slower and olive oil had no effect.
Conclusions:
The cheapest and most effective cerumenolytic is a solution of sodium bicarbonate.
More Related Videos
Related Concept Videos
Hand hygiene
Hand washing...
Tracheostomy Suctioning I: Pre-Procedural Steps
Equipment Required
First, gather all necessary equipment: a sterile suction catheter, a sterile disposable container, sterile gloves, a towel or...
Suctioning the Nasopharyngeal Airway
Equipment Required
Tracheostomy Suctioning II: Procedure
Suctioning the Oropharyngeal Airway
After assembling the equipment, the nurse should practice hand hygiene and don appropriate PPE according to infection control guidelines to avoid the...

