Solutes in water affect the primary cavitation bubble generated by a pulsed erbium-doped yttrium aluminium garnet laser
Maarten Meire, Ben van Aelst, Aldin Sehovic, Shengjile Deari, Matthias Zehnder · 2024
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Description
Maarten Meire and four co-authors studied how chemicals dissolved in water change the bubbles a dental laser makes, in a 2024 paper. Laser-activated irrigation cleans root canals by blasting tiny cavitation bubbles in the fluid. Prior work varied the laser settings, mostly in plain water. This team added substances dentists actually use: a bleach solution and an acid powder at several strengths. They measured each mix's density, surface tension, and thickness, then filmed the bubbles with a high-speed camera.
Dissolved substances made the liquid denser, tenser, and thicker, rising almost in step with the acid dose. Bubbles grew slower but larger and longer-lived. At the flat laser tip, stronger mixes clearly warped the bubble's shape. The authors conclude that what is dissolved in the irrigant is not a detail: it reshapes the very mechanism the treatment depends on.
Catalog record
| CREATOR | Maarten Meire, Ben van Aelst, Aldin Sehovic, Shengjile Deari, Matthias Zehnder |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 29 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |