Occlusion, in a dental context, means simply the contact between teeth. More technically, it is the relationship between the maxilla

Maxilla

The maxilla is a fusion of two bones along the palatal fissure that form the upper jaw. This is similar to the mandible , which is also a fusion of two halves at the mental symphysis. Sometimes The maxilla (plural: maxillae) is a fusion of two bones along the palatal fissure that form the upper...

ry (upper) and mandibular (lower) teeth when they approach each other, as occurs during chewing or at rest.

Malocclusion

Malocclusion

A malocclusion is a misalignment of teeth or incorrect relation between the teeth of the two dental arches. The term was coined by Edward Angle, the "father of modern orthodontics", as a derivative of occlusion, which refers to the manner in which opposing teeth meet.-Presentation:Most people have...

is the misalignment of teeth and jaws, or more simply, a "bad bite". Malocclusion can cause number of health and dental problems.

Static occlusion refers to contact between teeth when the jaw is closed and stationary, while dynamic occlusion refers to occlusal contacts made when the jaw is moving, as with chewing.

Centric occlusion is the occlusion of opposing teeth when the mandible is in centric relation.