WebAttachments attachment impingement attachments on later extrude canine need g4 g4 on a lateral Lower anterior extrusion not needed attachment root torque attachment roundtripping crossbite simplify attachment impingement virtual c-chain; IPR; setting up for bonding; colliding attachment; attachments on later WebAug 1, 2024 · Optimized rotation attachments are automatically placed onto canines or premolars when a rotation of ≥5° is detected. Maximum rotational velocity is 2° per stage. Optimized extrusion attachments are applied on to incisors or canines when ≥0.5 mm extrusion is detected by the software. Maximum linear velocity is 0.25 mm per stage. 13
Mechanical considerations for deep-bite correction with aligners
WebMar 1, 2007 · The lower incisor angulation was set at 92°. (a) Upper incisor angulation is at 90° and molar relationship is near-half unit Class II. (b) Upper incisor angulation is at 110° and molar relationship is Class I. (c) Upper incisor angulation is at 130° and molar relationship is near half-unit Class III. A negative linear relationship between ... The deciduous incisors are amongst the first teeth to erupt in an infant, appearing anywhere between 6 and 16 months of age. While the eight incisors share a common, general structure, various nuances differentiate them. This depends if they are central or lateral and mandibular or maxillary. See more Maxillary central incisors have the largest mesiodistal distance out of all members of this group, but the least convex labial surface. However, the crown surface of the labial face is … See more In contrast to the smooth labial surface, the lingual surface is full of convexities and concavities. In addition, a convexity (cingulum) is located below the cervical portion of the crown. Marginal ridges extend mesially and … See more The crown outlines present on the distal surface are almost identical to the ones on the mesial surface. The main difference is the curvature of the … See more The mesial aspect of the maxillary central incisors is triangular. The base is located at the cervix and the apex at the incisal ridge. A characteristic feature of these specific incisors is that the incisal ridge of the crown and the … See more isimple blustream
Effects of Attachment of Plastic Aligner in Closing of ... - Hindawi
WebSep 1, 2024 · For lower reverse Curve of Spee mechanics, attachments should be placed on the extruding mandibular teeth. Attachments are often unnecessary for teeth undergoing intrusion, with the exception of the mandibular canines if more than 1 mm mandibular incisor intrusion is needed. Weberuption of lateral incisors and permanent canines, midline diastema reduces or even closes (ugly duckling stage). 25. A maxillary midline diastema may be caused by the insertion of the labial frenum into the notch in the alveolar bone, so that a band of heavy fibrous tissue lies between the central incisors. 26 . The two central incisors may erupt WebJan 9, 2024 · The incisal surface is the biting edge on the canines and incisors, near the front of your mouth, while the occlusal is the biting edge, or the top of, your molars and premolars. Given that the occlusal surfaces play a big role in your everyday life, you're more likely to see wear and tear on them. kent county show detling 2023