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ePaper created 2016-04-19, 11:44:05 | version 1.38.0
| trends & applications Carriere Class III Motion Appliance 14 ortho 1 2016 What force elastics do you recommend for chil dren and adults, and what is the recommended wearing time? WearingtimeofelasticswiththeMotionappliance is 24 hours normally, except for eating. Fresh elastics arerequired after each meal.In Class IIIcases,there isachannelbetweentheexternalandinternalcortical bone in the sagittal direction, from mesial to distal. There is no resistance, so substantial force is not re- quired. Instead, we only use 6 oz elastics. In mixed dentition cases, such as those of 7-year- olds in which we place a Motion Class III Appliance from the mandibular first molar to the mandibular canine,weslightlyminimisetheforce.For4oz,¼inch willsuffice.Wecanincreasethistoupto6oz,¼inch, if required. With this technology, significant changes tothepatient’sfaceareachieved,resultinginabeau- tiful balance. This occurs in Class II and III patients with mixed dentition. You may ask why that is. The answeristhatwechangetheposteriorocclusalplane and stimulate the orthopaedic effect in a new func- tional relation. I think this is key. What degree of dental Class III malocclusion can be corrected with the appliance in children? We can completely transform the scenario by con- trolling the posterior occlusal planes and changing the re lation between the mandible and the maxilla. There are things that we cannot change in our pa- tients, such as the genetic capacity of the patient to grow. What we can do from our side is everything to directthegrowth,tomodifythepositionofthestruc- tures and to bring structures into another position in ordertotrytomodifythedirectionandtochangethe scenario completely in a way that we really ought to. To what degree can a dental Class III malocclusion in adults be corrected with the appliance? We can completely change full-step Class III cases inadultpatients.Wetreatpatientsofallageswiththis system, from teenagers to 60-year-olds. Skeletal re- positioning does not mean skeletal changes but a skeletal repositioning of the mandible in relation to the maxilla, as the mandible, specifically the TMJ, is a dynamic anatomical structure. It is very important thatwebalancethatandbringitintoabetterposition. Figs.12a & b: Profile shot before (a) and after (b) 10 months of treatment with Motion™ Class IIIAppliance. Fig.10:Treatment outcome of Motion™ Class IIIAppliance in 5-month follow-up. Fig.11: Profile shot in 5-month follow-up. Fig.10 Fig.11 Fig.12a Fig.12b 12016