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Laughing Gas (Nitrous Oxide) During Sedation Dentistry

The most commonly employed technique used in conscious sedation dentistry is inhalation sedation with nitrous oxide and oxygen (N₂0-0₂) or "laughing gas". It is estimated that approximately 35% of U.S. dentists use this technique to relieve dental anxiety.

The goal sought when laughing gas is used is to eliminate dental anxiety, making the patient more comfortable while the sedation dentist is able to more effectively complete the planned dental care procedure while the patient is sedated. Consult with your dentist to find out if this procedure right for you.

A small rubber inhaler will be placed over the patient's nose and adjusted so that the patient is comfortable. At this time, the patient will be breathing 100% oxygen.

Some patients at their first laughing gas visit will feel that they are not getting enough "air." The patient should tell the sedation dentist and he or she will provide them with even more oxygen to breathe.

Once the patient is comfortable breathing oxygen, the dentist gradually will introduce nitrous oxide. Over the next three to five minutes, the patient will be asked, "What are you feeling?" as the amount of nitrous oxide is slowly increased.

The signs and symptoms that most patients experience when receiving laughing gas include an initial feeling of lightheadedness, which gradually leads to an all-over feeling of warmth. Many persons mention a comfortable "vibrating" or "humming" sensation. It is common to feel one's fingertips and hands become "numb."

This same sensation may develop in the mouth - a benefit to the sedation dentist (and patient) during the dental care treatment. Some patients will mention that their arms and legs feel "very light." Interestingly, other patients will say that their arms and legs feel "so heavy I can't even move them."

If either of these occurs to the patient, it is perfectly normal. The individual might notice that they are perspiring a little, too. This is a normal effect of nitrous oxide and oxygen dentistry.

The sedation dentist will talk with the patient throughout the dental care procedure and the individual will be able to respond without any problem. This is a major advantage, and a safety feature, of conscious sedation using laughing gas.

If, at any time during the procedure, the patient feels that they are getting too much nitrous oxide or if they begin to feel uncomfortable, they should tell the dentist immediately and within seconds the dentist can adjust the flow of gases, and the patient will feel more comfortable again.

At the conclusion of the sedation dentistry treatment, the patient will once again receive 100% oxygen (for a minimum of three to five minutes). At the end of this time, the person should feel absolutely back to normal. If they still feel even a little bit sedated, the dentist should give the patient oxygen for a few more minutes.

Most dentists permit the fully-recovered laughing gas patient to leave the dental office unescorted and to resume their normal activities. In some situations where a patient recovers more slowly, they might be required to have an escort (friend or relative) drive them home.

Laughing gas inhalation sedation is highly effective in the management of mild to moderate levels of dental anxiety. It also is an excellent technique in persons who are extreme gaggers; laughing gas usually eliminates or minimizes gagging in most patients.

Finally, laughing gas is highly recommended for apprehensive patients who have medical problems such as angina pectoris, persons who have had a heart attack, or persons with high blood pressure, asthma or epilepsy.

Inhalation sedation dentistry should not be used with persons who are claustrophobic or with persons who are unable to breathe through their nose. Please discuss these with your dentist before treatment using laughing gas begins.

By Stanley F. Malamed, DDS

+Jim Du Molin is a leading Internet search expert helping individuals and families connect with the right dentist in their area. Visit his author page.

Relieving Dental Anxiety With Sedation Dentistry

Patient comfort and care is a top priority for a sedation dentist. They recognize that dental anxiety or discomfort can be associated with some dentistry procedures. Fortunately, a variety of dental procedures using dental anesthetics are available to relieve both anxiety and discomfort. Talk with your dentist to find out which is right for you.

Dental Anxiety Relief

Local Anesthetic:

This is the most frequently used type of dental anesthetic for sedation dentistry procedures. Although often referred to as "Novocain," this once popular painkilling drug has actually been replaced by more effective anesthetics such as Lidocaine for a comfortable dental care treatment. It also works very well for temporary relief of a tooth ache.

However, the name has become so much a part of the American vocabulary, it's now used in generic terms. Prior to injecting the local anesthetic, the dentist often swabs a topical anesthetic over the injection site to prevent the patient from even feeling the needle.

Conscious Sedation Dentistry:

Patients seeking comfortable dentistry can consult with their dentists to choose anti-anxiety agents either administered by mouth, inhalation or injection. Nitrous oxide, often referred to as laughing gas, helps to ease patient anxiety. The gas is inhaled by patients, inducing relaxation, so they can approach dental procedures with less stress.

Deep Sedation:

This may be required for complex procedures or for dental patients with special needs. With the administration of general anesthesia, the patient is unconscious; with deep sedation dentistry or sleep dentistry, dental patients are deeply relaxed and not fully aware of their surroundings during their dental treatment.

Consult With Your Dentist

Prior to treatment, your dentist will need to know a few things regarding your health history such as:

• allergies
• your current health condition
• any medications you may be taking.

Some medicines may interfere with the efficiency of an anesthetic requiring an adjustment in your medication schedule. Your health history is very important information for the dentist. During the consultation, you can ask questions about any dental procedures that may be of concern during your dental procedure.

A Concern for Safety

The drugs used as dental anesthetics are approved by the Food and Drug Administration and are safe. Anesthetic providers are professionals with a commitment to patient safety and comfort.

A dental anesthetic can be administered by a general dentist, a dental anesthesiologist or an M.D. Certification is required and is regulated on a state-by-state basis. Discuss sedation with your dentist at your next visit.

By Brian J. Gray, DDS, MAGD, FICO

+Jim Du Molin is a leading Internet search expert helping individuals and families connect with the right dentist in their area. Visit his author page.