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Online ISSN 1827-174X
Marco PORTELLI 1, Angela MILITI 1, Riccardo NUCERA 1, Marco CICCIÙ 1, Enrico GHERLONE 2, Alessandra LUCCHESE 2
1 Dept of Biomedical, Dental Science and Morphological and Functional Images, Dental School, University of Messina, Messina, Italy; 2 Vita-Salute San Raffaele University, Dental School, Milan, Italy
AIM: Congenitally missing teeth are one of the most common tooth anomalies associated to therapeutically set of problems; orthodontists might consider these clinical cases because management often requires an integrated orthodontic and restorative approach.
METHODS: In the present study authors reported a therapy note referred to a patient of 14 years old, man, affected by missing maxillary lateral incisors, bilateral dental second class e deep bite, treated in 2009 at the Department of Orthodontics of the University of Messina. An orthodontic treatment has been planned with the aim of distalize maxillary molar and the following opening of the spaces necessary for the prosthetic restoration of missing lateral incisor. For the distalization of maxillary molars has been decided to use a Distal Jet supported by mini screw, called Distal-Screew (American Orthodontics, Sheboygan USA). After seven months of treatment with distal screw maxillary molar distalization has been completed, obtaining a bilateral molar first class. A multi-bracket orthodontic appliance was bonded in the upper and lower arch using Enpower Brackets (American Orthodontics, Sheboygan USA).
RESULTS: Class II molar relationship has been over-corrected to Class I in about seven months. The orientation of the force vector resulted in a tipping and rotation of the first molars, without significant vertical changes.
CONCLUSION: Distal Jet reinforced with screws seems to be effective in molar distalization without any type of side effects. The advantages of this device were the absence of patient compliance, relatively predictable outcomes, favorable aesthetics, possibility of different activations in each side.