Effectiveness of the oral screen in the treatment of upper incisor protrusions

摘要: T HE interception and correction of malocclusions in children have become a major objective both orthodontics pedodontics.‘* * One the most obvious types malocclusion, one which is often referred for treatment, characterized by protrusion upper incisors. Upper anterior protrusions may be associated with distocclusion molar teeth (Class II, Division 1) or normal occlusion but crowding other teeth, usually lower incisors I).3 Protrusions generally are result local forces acting on these labial direction. These include prolonged thumb-sucking, lip-sucking, tongue-sucking, mouth-breathing, many muscular perversions pressure habits, such as tongue-thrusting, leaning fists, sleeping arms hands.3 “The once they emerge from their bony crypts, completely at mercy environment so far buccolingual labiolingual positions concerned. Their arrangement will determined equilibrium between tongue inside lips cheeks without. ’ ‘4 The re-establishment function therefore paramount to stabilized occlusion. Corrective appliances interceptive devices eliminate habit restore muscle balances while correcting malocclusion useful this connection.