Advance research on space analysis related factors / 医学研究生学报

Orthodontics is the procedure of managing the space .Space analysis is a comprehensive quantitative analysis that can analyze the factors that influence the arch space .It also helps to judge if the treatment goals can be reached , thus helping the treat-ment plan making and guiding clinical orthodontics .And space analysis related factors include crowding , curve of Spee, arch width, arch growth, arch protrusion, mesiodistal angulation, an so on.In this review, we summarizes the above-mentioned factors.