Distal movement of the maxillary molars.
Molars can be moved distally approximately 1 mm/month with little to no patient cooperation by using intraarch compressed 100 gm NiTi coils or 100 gm looped NiTi wires against the molars supported by a removable modified Nance appliance. When the molars are moved posteriorly by these intraarch mechanisms, anchorage loss occurs and produces an increase in overjet that is generally within acceptable limits. Although molars can be moved posteriorly at any age, an advantageous treatment time is the late mixed dentition.
Gianelly
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Boston University School of Dental Medicine, Mass 02118-2392, USA.
D003818:Dentition, Mixed; D006801:Humans; D008437:Maxilla; D008963:Molar; D009532:Nickel; D009968:Orthodontic Appliances, Removable; D014025:Titanium; D014087:Tooth Movement Techniques / Q000379:methods*
C040654:titanium nickelide; D009532:Nickel; D014025:Titanium