When a tooth becomes infected or damaged, root canal treatment can be done to save the tooth and repair the damage. The treatment involves clearing the infection from the roots by a cleaning and disinfecting process. The root canals are then filled with an inert material and sealed. A crown has to be placed following the treatment to protect the tooth from further damages are very happy with the added security and comfort that the dental implants provide. Are crowns mandatory after RCT? Cost of RC treatment? Single seating RCT?