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Orthodontic treatment with skeletal anchorage system
Background: Correction of class I malocclusion with bimaxillary dental protrusion and unilateral free end right upper ridge in adult patient is one of difficult biomechanical case in orthodontics. Due to this case that needs proper anchorage for upper incisor retraction with missing teeth in the right posterior segment. Purpose: The aim of this study to find an effective therapy for correction of bimaxillary protrusion with unilateral free and ridge. Case: A female patient, 36 year old complaining for the difficulty of lip closure due to severe bimaxillary protrusion with incompetence lip. Case management: Firstly correction of the maxillary and mandibular incisor proclination were done by extraction of the mandibular first premolar,the maxillary second premolar on left side and finally placement of miniplates implant in the zygomatic process on right side as an absolut anchorage. Conclusion: Skeletal anchorage system (SAS) can be considered as an effective therapy for corection of bimaxillary protrusion with unilateral free end ridge.
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