Ch37

It has allowed the dental profession to extend oral healthcare to millions of individuals who would otherwise remain untreated.

• Is available in the form oinments, liquids, sprays and patches with each form having a slightly different application process.
• Ointment should remain on site of injection for minimum of 15sec to 30sec &maximum of 1 to 2min.

• Injecting anesthetic solution near nerve, where treatment is to take place.
• cartridges are supplied in glass carpules, they have rubber or silicone stopper in one end and aluminum cap.

• Inhalation sedation may be the safest type of sedation used in dentistry.
• It produces stage I anesthesia/analgesia by using combination of N2O and O2gases.
• Patient inhales gases through nosepiece and feels effect.

Scavenger system is used to reduce the amount of N2O that escapes into the atmosphere, which is then inhaled.

• It results in minimally depressed level of consciousness.
• Patient maintains ability to keep open airway and respond appropriately to physical or verval stimulation.

• Antianxiety agents are administer- loss of protective reflexes & ability to maintain airway independently.
• Stage III