Ultimately for this type of complication, no pathogens are involved, this is related to direct trauma from an external and mechanical source. Cannulas tend to be the main culprit in the injury of the salivary glands. Tearing through tissues, with shear force as the clinician is conducting the procedure.

HIGH RISK AREAS include

• Subzygoma of under cheek bone
• Gonial angle, which is the angle of the jaw
• Jawline in its entity