# Root canal preparation with two different rotary systems: comparative study assessed by micro-computed tomography

> 2011 doctoral thesis by Ala Al-dameh at University of Otago

**Wikidata**: [Q112885496](https://www.wikidata.org/wiki/Q112885496)  
**Source**: https://4ort.xyz/entity/root-canal-preparation-with-two-different-rotary-systems-comparative-study-assessed-by-micro-computed-tomography