Medical dictionary

What is optic neuritis? Optic neuritis (ON) is the swelling or inflammation of the optic nerve. The optic nerve is responsible for transmitting the image from the retina to the brain. It is one of the most common disorders of the optic nerve, others include glaucoma, eye atrophy, or drusen.   The specialist that diagnoses optic neuritis is an ophthalmologist.    

What is oral immunotherapy? Immunotherapy is treatment for an allergy based on the principle of getting the patient’s body accustomed to the presence of the substance that triggers the allergic reaction (allergen). In theory, this desensitises the body to the allergen, reducing the severity of future allergic reactions or eliminating them altogether. Oral immunotherapy administers

What exactly is meant by oral medicine? Oral medicine is a non-surgical treatment process and management of medical disorders of one's mouth. It is the part of dentistry that is responsible for diagnosing and treating diseases originating in the mouth (primary) and general diseases affecting this area (secondary), affecting structures of one's oral cavity.  What is the

What is oral surgery?Oral surgery is a surgical operation performed in the oral cavity (teeth, mucous membranes and accessory tissue) to resolve or remove pathological anatomical abnormalities. Operations are usually carried out at the dental clinic and normally involve minor surgery, so only a local anaesthetic is needed. Oral surgery is sometimes performed in the operating room under genera

What is orbital cellulitis? Orbital cellulitis is an acute infection of the tissues surrounding the eyes, specifically the eyelids and eyebrows that can spread to the cheeks.   What are the symptoms of orbital cellulitis? Symptoms can include: Painful inflammation of the upper and lower eyelid and possibly of the cheek and eyebrow Decreased vision Bulging eyes Feve

What is orchidopexy?Orchidopexy, or orchiopexy, is a surgical procedure which is performed in order to fix an undescended testicle into the scrotum.Why is an orchidopexy done?Undescended testicles generally move to the scrotum by the time your baby is 3 to 6 months old. If the testicles do not descend by this point, they will generally need to be surgically corrected. If orchidopexy is not pe

What is orthodontics? Orthodontics is the branch of dentistry that corrects the poor position of bones and teeth by applying pressure using different appliances. Orthodontics is indicated if the teeth are crowded or if the position of the teeth makes them difficult to clean, which increases the risk of diseases such as gingivitis or periodontitis. Therefore, orthodontics is aimed at person&rsqu

What is orthognathic surgery? Orthognathic surgery aims to correct the position of the maxillary bone and jaw. This type of surgery can correct malocclusion (your bite) and other maxillofacial deformities. Often the results of orthognathic surgery will change the facial appearance. The types of corrective surgery are: Mandibular advancement – when the lower teeth and chin are b

What is Orthokine (Regenokine) therapy? Orthokine (or Regenokine in the USA) is a procedure in which a patient’s blood is extracted, manipulated and reintroduced into the body as an anti-inflammatory drug to reduce chronic pain and osteoarthritis. The therapy is used for meniscus tear treatment, as cell therapy for arthritis, torn ACL and to treat MCL cartilage damage caused by sp