What Is The Name For The Curve Of The Occlusal Plane?

What is the curve of wilson?

Definition. The curve, viewed from the front, that contacts the buccal and lingual cusps of the molars, being lower in the middle due to the lingual inclination of the long axes of the mandibular molars. Named after Dr. George H. Wilson, who first described the curve in 1911.

what is the technical term for Class 3 occlusion? Term used for class 3 malocclusion. Mesiodistal division.

what is occlusal plane?

1. An imaginary curved plane formed by the incisal edges of the anterior teeth and the occlusal surfaces of the posterior teeth. It follows the natural curvature of the teeth, curving higher in back following the curve of Spee, and curving higher as it extends outward, following the curve of Wilson.

How do you fix a curved Spee?

Leveling of the curve of Spee is one of the important aspects of comprehensive orthodontic treatment. It is usually accomplished by anterior intrusion or posterior extrusion. While leveling of the occlusal plane is an essential component of nearly every orthodontic treatment case.

Why is curve of Spee important?

The long axis of each lower tooth is aligned nearly parallel to their individual arch of closure. The Curve of Spee is, essentially, a series of sloped contact points. It is of importance to orthodontists as it may contribute to an increased overbite. A flat or mild curve of Spee was essential to an ideal occlusion.

What is key of occlusion?

A KEY is something which may open a window or an area, disclosing a secret or information. For example, when the first key to occlusion-the maxillary first permanent molar relationship-was first recognized and its significance understood, the door was opened.

How do you measure the curve of Wilson?

Curve of Wilson was measured by tracing molar axis that is the line joining the occlusal groove and furcation of first molar.

What is Christensen phenomenon?

Christensen, Danish dentist and educator] A gap occurring in the natural dentition or between the opposing posterior flat occlusal rims when the mandible is protruded (posterior open bite). It can lead to instability in full dentures unless compensating curves are incorporated into the dentures.

What is the curve of Monson?

Monson curve – the curve of occlusion in which each cusp and incisal edge touches or conforms to a segment of the surface of a sphere 8 inches in diameter, with its center in the region of the glabella.

What is the Bennett angle?

The Bennett angle is the angle formed by the sagittal plane and the path of the mandibular condyle during lateral movement when viewed in a horizontal plane.

How do you find the curve of a Spee?

The maximum depth of the curve of Spee was measured as the maximum of the perpendicular dis- tances between the buccal cusp tips of the mandibular teeth and a measurement plane described by the central incisors and the distal cusp tip of the most posterior tooth in the mandibular arch (Fig 1).

What is leeway space in dentistry?

Leeway space is the size differential between the primary posterior teeth (canine, first and second molars labeled C, D and E in the picture), and the permanent canine and first and second premolar (labeled 3, 4 and 5). Usually the sum of the primary tooth widths is greater than that of their permanent successors.

How do you find the occlusal plane?

The anterior maxillary occlusal plane may be determined by lip relationships at rest and when smiling. Speech also provides for positional accuracy [15]. When viewed from the front, the occlusal plane should be parallel to the interpupillary line [16].

What is occlusal table?

The occlusal table is the surface of a tooth that comes into contact with the opposite tooth. These are the grinding surfaces of the teeth that help break down food and the largest occlusal tables tend to be on the back teeth, or molars.

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