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ePaper created 2017-03-17, 13:11:17 | version 1.38.0
| case report aligner application Widening the scope of aligner application: A case report Authors: Drs Gurkeerat Singh, Sherif Kandil & Aswathy Menon, India & Germany Fig. 1a Fig. 1b Fig. 1c Fig. 1d Fig. 1e Introduction Over the last two decades, extensive research has been carried out to alleviate the two major short- comings of orthodontic treatment: visibility and du- ration. In order to decrease treatment duration, three methods have been proposed: chemical-led interac- tions, surgery, and device-assisted therapies.2 The chemical-led interactions require further research to be accepted as routine methods and the surgical methods are found to be invasive and rarely accept- able to the patient. A simpler and less invasive method is the use of micro-osteoperforation, which increases the local inflammatory response, pro- motes osteoclastogenesis and leads to faster tooth movement through the bone.3 This process has been proven to be safe and repeatable and well tolerated and accepted by patients.4 Deepbites are difficult to treat using aligners and often lead to prolonged treatment time.5 To facilitate this movement, Invisalign uses attachments on the premolars for anchorage, while an active intrusive force is placed on the incisors as well as bite ramps built into the lingual of the aligner of the upper an- terior teeth that act as a bite plane; as yet no data exist on the effectiveness of these auxiliaries5. Active intrusion can be facilitated with TADs.5 20 ortho 1 2017