Category: H

A dental handpiece that operates at speeds about 100,000 to 800,000 rpm. The high-speed or ultra speed handpiece operates with a water spray and may have a fiberoptic light to facilitate better visibility. A water spray is necessary to reduce the temperature within the handpiece and surgical site.  

The transfer of patient care from one health care provider to another or from one health care facility to another.  

Injury to the nerves, muscles, and tendons of the wrist and hand due to the repetitive use of vibrating hand tools. Hand-arm vibration syndrome refers to pain and numbness in the hand and arm resulting from the extended use of vibrating tools. Symptoms often encompass a blue or white hue in the fingers and a…

The hook-like process at the tip of the medial pterygoid process of the sphenoid bone.  

An instrument with a head attached crosswise to the handle for striking blows.  

An allergic reaction in the mouth and nasopharynx in persons who have eaten incompletely cooked food infested with the parasite Linguatula serrata. Typical symptoms include hoarseness, difficulty swallowing, cough, headache, and rash. The causative parasite is geographically limited to the Middle East, where its primary host is the dog.  

A device used to immobilize the head and cervical spine following vertebral injury or surgery, designed to provide inline traction of the cervical spine while allowing for a moderate amount of functional independence. The halo vest consists of three parts : 1 ) t he halo, which is secured into the skull through the use…

The perception of one or more colored circles around lights, seen by patients with glaucoma or cataract.  

Limitation of range of motion of the first metatarsophalangeal joint, usually with arthritic degeneration of the joint and pain. The most advanced form of hallux limitus is called hallux rigidus.  

Displacement of the great toe away from the other toes. The big toe moving away from the other toes.