what are class 2 elastics

Skeletal andor dental Class II malocclusions anchorage reinforcement backward movement of the upper incisors mandibular arch advancement buccal tipping of retruded lower incisors bite opening class II2 midline deviation correction6. Maxillary incisors 26 mm of proclination.


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. En-mass movement extraction class 2 3 elastics 4-5 ounces 113-142g. Posterior box elastics 6 ounces 170g. Class II elastics also make use of the normal mandibular excess by allowing the usual mandibular excess to take place without maxillary mesial dentoalveolar compensation plus a mm or so of actual distal upper buccal segment movement if it is a nonextraction treatment.

This video demonstrates the use of Class II box elastics with braces and how they will make your teeth fit together if worn properlyhttpwwwmarshall-ort. You must be logged in to post a comment. Anterior elastics box elastic for anterior openbite 1-2 ounces 28-57g.

This depends on the clinical situation. Previous Post CLASS III ELASTICS Next Post CLASS II RIGHT CLASS III LEFT ELASTICS Leave a Reply Cancel Reply. This video demonstrates the use of Class II elastics with braces and how they will correct a Class II bite if worn properlyhttpwwwmarshall-orthodontics.

Class II elastics also known as intermaxillary elastics are rubber bands that are placed onto fixed braces or clear aligners to effect a force on both the upper and lower teeth. Class II elastics are typically used from the lower first molar through to the upper canine tooth. With class 2 elastics it goes from the upper canine to the last tooth on the bottom to move the top teeth back.

En-mass movement non extraction - class 2 3 elastics 5-6 ounces 142-170g. Want to license our anima. These elastics help move your upper teeth back and your bottom teeth forward.

They can be used for a variety of reasons. Class II elastics may be used for main and secondary objectives in the following clinical situations. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators.

One use is for Class 2 malocclusions where they reinforce anchorage. 1986 Class II elastics only effects 42 - 1-2 oz - Maxillary molar 1022 mm mesially and 121 mm occlusally Mandibular molar 112 mm mesially and 126 mm occlusally ANB 127 SN-Pg 1092 LI 1168 mm Holdaway soft-tissue angle 148 The maxillary first molar maintained its anteroposterior position at the same timethat SNAwas reduced. Dr Stefan Vaz - About Braces.

They can be used for many different reasons such as Class 2 malocclusions to reinforce anchorage in a case where an extraction has been done to allow the maxillary incisors to move backwards and to correct midline deviation and allow buccal movement of backward-tipped lower incisors. Animation demonstrating the use of Class II elastics. Class 2 elastics are used from the lower first molar to the upper canine tooth.

Class II elastics are auxiliary forces that can be classified as active elements in a fixed appliance system1 They have been used in the correction of Class II malocclusion since the early days of orthodontic treatment26 although some undesirable effects can occur depending on their vertical force vectors4610 The vertical force can extrude the mandibular molars and. The rubber bands are hooked onto either braces hooks or clear aligner hooks from the. SNB 23 greater than the Herbst group The final outcome of treatment of a Class II malocclusion might be similar and independent of the orthodontic device used.

Class II elastics group. Overjet relapse 15 mm. Class II elastics.


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