Incorporation of mini screws in a conventional RPE appliance transforms it into a MARPE appliance. Mini screws ensure maximum skeletal expansion, keeping the dental expansion and resultant side effects to a minimum. Various designs have been recommended by authors around the globe; exclusively bone borne, teeth-bone borne and tissue-bone borne with two/ four mini screws in the assembly. Paramedian area 3 mm lateral to the suture in 1st premolar region is considered the most appropriate site for placement of mini screws. Anterior screws are placed in the rugae area while posterior screws in the para-midsagittal area. This article (case series) describes three cases treated with MARPE appliance designs and protocols.
Neeraj Eknath Kolge, Vivek J Patni, Sheetal S Potnis, Swapnagandha Ravindra Kate, Floyd Stanley Fernandes and Chetna Dadarao Sirsat
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