Respuesta :
In angle class 2 occlusion, the mesiobuccal cusp of the permanent maxillary first molar occludes mesial to the mesiobuccal groove of the mandibular first molar.Class 2 malocclusion, known as retrognathism or overbite, takes place whilst the higher jaw and enamel seriously overlap the lowest jaw and enamel.
Angle's Class II department 2 malocclusion has a stated horizontal increase sample with reduced decrease anterior facial height, retroclined higher anteriors, and notably elevated maxillary arch width parameters.Class II occlusion takes place whilst the decrease dental arch is posterior (greater toward the lower back of the mouth) than the higher one. In this malocclusion, the higher the front and maxillary enamel undertaking greater ahead than the decrease enamel and the jaw.
The maxillary first molar is commonly the biggest enamel withinside the maxillary arch. It has 4 well-advanced functioning cusps and one supplemental cusp of little realistic use. The 4 massive cusps of maximum physiological importance are the mesiobuccal, the distobuccal, the mesiolingual, and the distolingual.
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