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  2. Orthodontic indices - Wikipedia

    en.wikipedia.org/wiki/Orthodontic_indices

    Angle classification: Class II Division 1 Angle classification: Class II Division 2 Angle classification: Class III. Angle's Classification is devised in 1899 by father of Orthodontic, Dr Edward Angle to describe the classes of malocclusion, widely accepted and widely used since it was published.

  3. Malocclusion - Wikipedia

    en.wikipedia.org/wiki/Malocclusion

    Class I with severe crowding and labially erupted canines Class II molar relationship Edward Angle , who is considered the father of modern orthodontics, was the first to classify malocclusion. He based his classifications on the relative position of the maxillary first molar . [ 33 ]

  4. Overjet - Wikipedia

    en.wikipedia.org/wiki/Overjet

    Class II Division I is an incisal classification of malocclusion where the incisal edge of the mandibular incisors lie posterior to the cingulum plateau of the maxillary incisors with normal or proclined maxillary incisors (British Standards Index, 1983). There is always an associated increase in overjet.

  5. Overbite - Wikipedia

    en.wikipedia.org/wiki/Overbite

    class 2 div 2 Deep bite. Overbite is often confused with overjet, which is the distance between the maxillary anterior teeth and the mandibular anterior teeth in the anterior-posterior axis. "Overbite" may also be used commonly to refer to Class II malocclusion or retrognathia, though this usage can be considered incorrect. This is where the ...

  6. Herbst appliance - Wikipedia

    en.wikipedia.org/wiki/Herbst_appliance

    The Herbst appliance serves as an effective solution for correcting a class II malocclusion, where the lower jaw is positioned too far back in relation to the upper jaw. To address this misalignment, the Herbst appliance is typically affixed to the last molar on the upper teeth and the first premolar on the lower teeth.

  7. Serial extraction - Wikipedia

    en.wikipedia.org/wiki/Serial_extraction

    Class 2 and class 3 malocclusion with skeletal abnormalities. Patients with adequate spacing in dentition; Cases of anodontia/oligodontia; Patients with open bite and deep bite; In cases of midline diastema; Class 1 malocclusion with minimal space deficiency; Unerupted malformed teeth e.g. dilacerations; Extensive caries or heavily filled first ...

  8. Orthodontics - Wikipedia

    en.wikipedia.org/wiki/Orthodontics

    The x-rays showed that many Class II and III malocclusions were due to improper jaw relations as opposed to misaligned teeth. It became evident that orthodontic therapy could adjust mandibular development, leading to the formation of functional jaw orthopedics in Europe and extraoral force measures in the US.

  9. Occlusion (dentistry) - Wikipedia

    en.wikipedia.org/wiki/Occlusion_(dentistry)

    Class II and III molar and incisor relationships are thought to be forms of malocclusion, however not all of these are severe enough to require orthodontic treatment. The Index of Orthodontic Treatment Need is a system that attempts to rank malocclusions in terms of significance of various occlusal traits and perceived aesthetic impairment. [ 11 ]