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Elastomeric chains are of clinical importance to orthodontics. Therefore, their behavior should be assessed under different conditions. Some of their critical aspects remain unstudied (including effects of different elongations and chain forms on their force properties). Therefore, we aimed to assess these factors. This study was performed on 540 observations first, 90 chains (10 specimens per subgroup of three brands [American Orthodontics, Ortho Technology (OT), and GH], each from three chain types [closed, short, and long]) were