Category: H

Orientation of parts allowing hinge movement between them.  

A joint that allows movement in only one plane, such as a door hinge. A joint in which a convexity on one bone fits into a corresponding concavity on another bone allowing motion in one plane only. Freely movable (synovial) joint in which bones are articulated in such a way as to permit extensive motion…

An imaginary line created by rotation of the mandible through the sagittal plane.  

A dental casting alloy composed of a minimum of 60% noble metal (gold, platinum, palladium, rhodium, ruthenium, iridium, osmium) by weight with at least 40% gold as classified by the American Dental Association.  

The greatest height to which the inferior border of the upper lip is capable of being raised by muscle function.  

A component or a dental implant with a hexagonal connection interface.  

The hexagonal shape of a connection interface.  

Pain felt in a site distant from the site of origination.  

An extension of the enamel organ (cervical loop). Determines the shape of the roots and initiates dentin formation during tooth development. Its remnants persist as epithelial rests of Malassez in the periodontal ligament.  

Characterized by clusters of multiple, shallow ulcers throughout the oral cavity. Almost continuous in nature.