Mohamed Riyad AlShikh, Sanaa Soliman Abouzeid, Eman Mohie-Eldin And Rayan Almurtada,
ABSTRACT
Introduction: Effect Of Extraction On The Orthodontic Practice Was Claimed To Cause Decrease In The Airway Diameter And Affect The Hyoid Bone Position. Other Researchers Contradicted This Finding. The Aim Of The Study Was To Systematically Review The Literature To Resolve This Conflict.
Materials and Methods: The Study Included The Clinical Trials, Cohort Studies, Published And Unpublished Thesis And Literature. The Data Bases Searched Included Pubmed, Cochrane, LILACS, And Grey Literature Until 31/12/2017. Total Records Included 1139 Articles. The Participants Were At Least 15 Years Old, With And Pre And Post Cephalometric Radiographs Or CT Scans And Undergone First Premolar Extractions.
Results: Only Two Studies Included The Qualitative Synthesis.
Conclusion: The Studies Showed The Orthodontic Extraction Changed The Hyoid Bone Position.
