After you inject LA for 2nd max. Molar PT. become colorless with external swelling is due to.. Plexus vein After you inject LA for 2nd max. Molar PT. become colorless with external swelling is due to? A- Facial artery B- Plexus vein*** C- Posterior alveolar nerve. Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook
