Ludwig's angina is a rapidly progressing cellulitis of the submandibular, sublingual, and submental spaces, most commonly originating from infected lower molars. The infection spreads through fascial planes rather than forming pus initially, PDF] Molecular Vibrations by E. Bright Wilson 9780486137155 Tongue Lip and Jaw Differentiation and Its Relationship to Orofacial Myofunctional Treatment Solutions Manual for Principles of Vibration Tongue, Benson H.: 9780195112115 AbeBooks