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Open bite is a type of orthodontic malocclusion which has been estimated to occur in 0.6% of the people in the United States. This type of malocclusion has no vertical overlap or contact between the anterior incisors. [1] The term "open bite" was coined by Carevelli in 1842 as a distinct classification of malocclusion.
An open bite malocclusion is when the upper teeth don't overlap the lower teeth. When this malocclusion occurs at the front teeth it is known as anterior open bite. An open bite is difficult to treat due to multifactorial causes, with relapse being a major concern. This is particularly so for an anterior open bite. [58]
Both fixed and removable functional appliances can be used to correct a malocclusion in three planes: Anterior-Posterior, Vertical and Transverse. In the Anterior-Posterior dimension, appliances such as Class II and Class III are used. Appliances used in transverse dimension are utilized to expand either the maxillary or the mandibular arch.
Summers also defined 7 malocclusion syndromes which includes: [13] Overjet and openbite; Distal molar relation, overbite, overjet, posterior crossbite, midline diastema and midline deviation; Congenitally missing maxillary incisors; Tooth displacement (actual and potential) Posterior open bite
The more parallel the planes, the greater the tendency for deep bite and the more non-parallel they are the greater the tendency for open bite. Using the O as the centre, Sassouni created the following arcs Anterior Arc – Arc of a circle between the anterior cranial base and the mandibular plane, with O as the center and O-ANS as the radius.
Molar distalization is a process in the field of Orthodontics which is used to move molar teeth, especially permanent first molars, distally (backwards) in an arch.This procedure is often used in treatment of patients who have Class 2 malocclusion. [1]
Twin block appliances are simple, full-time bite blocks designed to treat skeletal Class II malocclusion by encouraging the lower jaw to move forward. The goal of this treatment approach is to maximize the growth response of the lower jaw while ensuring patient comfort and aesthetic appeal.
An open bite is a condition where the upper and lower teeth do not meet or bite in the correct position. Unlike an overbite or underbite, there is no overlapping of teeth, giving an impression of the teeth appearing “open”. A mild case of open bite can be treated with Invisalign, a popular orthodontic treatment using clear aligners.