In Guide to Healthy Smile by Dr. Subrata Das with No comment
10 July
0 Muscles of Facial Expression are unique in that they migrate to their destinations about the scalp, neck, and mostly about the face from second pharyngeal arch mesenchyme and thus receive their motor innervation via the facial nerve (CN VII), the nerve of the second arch. Although…
The method which gives the most complete control over moisture in the mouth is the rubber dam. The tooth or teeth to be treated, together with adjacent teeth, are placed through holes in a rubber sheet, leaving the crowns of the teeth on one side…