Relative analgesia machine

A relative analgesia machine is used by dentists to induce inhalation sedation in their patients. It delivers a mixture of nitrous oxide ("laughing gas") and oxygen. A relative analgesia machine is simpler than an anaesthetic machine, as it does not feature the additional medical ventilator and anaesthetic vaporiser, which are only needed for administration of general anesthetics. Instead the relative analgesia machine is designed for the light form of anaesthesia with nitrous oxide, where the patient is less sensitive to pain but remains fully conscious.[1]

References

Dental Fear Central (2004). "Inhalation sedation (aka Laughing Gas)". Retrieved 2010-04-18.

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[Dentalfear-1] Dental Fear Central (2004). "Inhalation sedation (aka Laughing Gas)". Retrieved 2010-04-18.

Anesthesia and anesthesiology
Types	General Sedation Twilight anesthesia Local Topical Intercostal nerve block Neuraxial blockade Spinal Epidural Dental Inferior alveolar nerve
Techniques	Airway management Anesthesia provision in the US Arterial catheter Bronchoscopy Capnography Dogliotti's principle Drug-induced amnesia Intraoperative neurophysiological monitoring Nerve block Penthrox inhaler Tracheal intubation
Scientific principles	Blood–gas partition coefficient Concentration effect Fink effect Minimum alveolar concentration Second gas effect
Measurements	ASA physical status classification system Baricity Bispectral index Entropy monitoring Fick principle Goldman index Guedel's classification Mallampati score Neuromuscular monitoring Thyromental distance
Instruments	Anaesthetic machine Anesthesia cart Boyle's machine Gas cylinder Laryngeal mask airway Laryngeal tube Medical monitor Odom's indicator Relative analgesia machine Vaporiser Double-lumen endotracheal tube Endobronchial blocker
Complications	Emergence delirium Allergic reactions Anesthesia awareness Local anesthetic toxicity Malignant hyperthermia Perioperative mortality Postanesthetic shivering Postoperative nausea and vomiting Postoperative residual curarization
Subspecialties	Cardiothoracic Critical emergency medicine Geriatric Intensive care medicine Obstetric Oral sedation dentistry Pain medicine
Professions	Anesthesiologist Anesthesiologist assistant Nurse anesthetist Operating department practitioners Certified Anesthesia Technician Certified Anesthesia Technologist Anaesthetic technician Physicians' assistant (anaesthesia)
History	ACE mixture Helsinki Declaration for Patient Safety in Anaesthesiology History of general anesthesia History of neuraxial anesthesia History of tracheal intubation
Organizations	American Association of Nurse Anesthetists American Society of Anesthesia Technologists & Technicians American Society of Anesthesiologists Anaesthesia Trauma and Critical Care Association of Anaesthetists of Great Britain and Ireland Royal College of Anaesthetists Association of Veterinary Anaesthetists Australian and New Zealand College of Anaesthetists Australian Society of Anaesthetists International Anesthesia Research Society
Category Outline

Dentistry
Specialties	Endodontics Oral and maxillofacial pathology Oral and maxillofacial radiology Oral and maxillofacial surgery Orthodontics and dentofacial orthopedics Pediatric dentistry Periodontics Prosthodontics Dental public health Cosmetic dentistry Dental implantology Geriatric dentistry Restorative dentistry Forensic odontology Dental traumatology Holistic dentistry
Dental surgery	Dental extraction Tooth filling Root canal therapy Root end surgery Scaling and root planing Teeth cleaning Dental bonding Tooth polishing Tooth bleaching Socket preservation Dental implant
Organisations	American Association of Orthodontists British Dental Association British Dental Health Foundation British Orthodontic Society Canadian Association of Orthodontists Dental Technologists Association General Dental Council Indian Dental Association National Health Service
See also	Index of oral health and dental articles Outline of dentistry and oral health Dental fear Dental instruments Dental material History of dental treatments Infant oral mutilation Mouth assessment Oral hygiene