Relative Analgesia This involves the patient breathing in a mixture of Nitrous Oxide and Oxygen ( sometimes known as "happy gas"). This very rapidly produces a pleasant relaxed feeling. You will remain conscious at all times but you may feel a little drowsy. The gas is inhaled through a special nosepiece and the effects are reversed by breathing in pure oxygen. Many dentists use this technique. Sedation This involves medication which can be taken orally, as a tablet or in liquid form, but may also be given as a injection in the arm. The patient  becomes drowsy and oblivious to the treatment whilst still able to cooperate with the dentist. The effects take some time to wear off and supervision is required for some hours afterwards. Which technique is best for me Your dentist will advise you on this matter.

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