While taking X-ray for upper right first premolar with two equal roots Using mesial slob, its lingual root will move - comparing to the zigomatic process While taking X-ray for upper right first premolar with two equal roots Using mesial slob, its lingual root will move [ comparing to the zigomatic process]: - distal. - Mesial*** - Palatal - Lingual Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook