Pain arising from a nerve trunk or pathway. Very severe facial pain can be caused by trigeminal neuralgia which affects the face. It can be severely debilitating, sometimes requiring surgery to cut the nerve supply.
The sweet smelling gas used during the early days of general anaesthesia in dentistry -
known as laughing gas. It is rapidly absorbed into the blood stream and has analgesic
effects. Nitrous oxide is still used in obstetrics mixed with oxygen to reduce the
discomfort of child birth.
The patients input of food and drink. The quality and type has a significant effect on general and dental health. Sugar is a major contributor to dental decay. A key finding is that tooth decay depends on how often - rather than how much - sugar is eaten. The dental profession recommends restricting sugar intake to no more than three or four times a day.