The Endoscope (Jedmed Co.) greatly magnifies images of either cavity preparations or apical surgery sites on a monitor screen Intrachamber and intracanal views are gained with the 0.8 mm Orascope handpiece Through this increased magnification and illumination, hard-to-find and fourth canals readily become visible Surgical images can be captured with the 4.0 mm Endoscope and can be magnified up to 50 times Illumination is provided by a 60 W halide (arc) lamp that issues 5,400 Kelvin Screen images can also be captured with an attached camera Fig.11.31 a Radiograph of mandibular molar with four roots and symptomatic apical periodontitis Four root canals are instrumented, irrigated, and packed with calcium hydroxide paste b After 4weeks the patient is asymptomatic and the root canals are treated and obturated according to the Resilon/Epiphany system c At the 6-month control, periapical repair is evident