The world’s best selling root apex locator, Root ZX II, produces unmatched clinical accuracy rates, not affected by blood, other discharges, or electrolytes. Its patented technology has been independently evaluated to be 96.2% accurate. The Root Apex locator aids our endodontist in defining the length of the root of the teeth. At Zental Dental, the ROOT ZX is a fully automatic root canal length measuring device (apex locator) which provides extremely accurate measurements in all canal conditions. apex locator machine ROOT ZX’s advanced microprocessor ensures precise readings even in the presence of sodium hypochlorite, hydrogen peroxide, saliva, blood or pulp. The microprocessor also calibrates ROOT ZX automatically, making it ready to use immediately after turning on the main switch. These features and more make ROOT ZX one of the most highly rated root canal length measuring devices on the market.