Assessment of apical debris extrusion with three nickel-titanium rotary systems using conventional and lyophilization-based quantification methods.
Hegde NN; Attavar S; Banerjee A; Harikrishna N; Lakshmi VC; Ravinanthanan M · 2026 · Journal of conservative dentistry and endodontics
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background Apical extrusion of debris during root canal preparation is inevitable and may contribute to postoperative pain and periapical inflammation. The extent of extrusion varies with instrument design and motion. ProTaper Next (PTN),…
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Metadata source: Europe PMC · DOI 10.4103/jcde.jcde_514_25