The crown protects the tooth or filling while a permanent crown is made from another material. For children, a stainless steel crown is commonly used to fit over a primary tooth that's been prepared to fit it. The crown covers the entire tooth and protects it from further decay.
Articulation, or more specifically course articulation, is the process of comparing the content of courses that are transferred between postsecondary institutions such as TAFE institutes, colleges or universities.
The place of articulation of a consonant is generally named for the passive articulator. Sometimes the active articulator is also explicitly included in the name of a place of articulation by use of the prefixes apico- and lamino-. Illustrations of Place of Articulation in English.