▁conventional ▁brackets ▁in ▁rel iving ▁dis com fort ▁or ▁prom oting ▁or al ▁health ▁in ▁clin ic . ▁Another ▁system atic ▁review ▁published ▁by ▁Do ▁N asc imento ▁et ▁al . ▁stated ▁that ▁there ▁is ▁no ▁evidence ▁for ▁a ▁possible ▁influence ▁of ▁the ▁design ▁of ▁the ▁brackets ▁( con vent ional ▁or ▁self - lig ating ) ▁over ▁col ony ▁formation ▁and ▁ad hes ion ▁of ▁Stre pt oc oc cus ▁mut ans . ▁ ▁Period ont al ▁Status ▁ ▁A ▁system atic ▁review ▁and ▁meta - analysis ▁done ▁in ▁a ▁study ▁by ▁Arnold ▁et ▁al . ▁in ▁ 2 0 1 6 ▁stated ▁that ▁differences ▁in ▁the ▁period ont al ▁status ▁of ▁ad oles c ents ▁under going ▁orth od ont ic ▁treatment ▁with ▁either ▁conventional ▁or ▁self - lig ating ▁brackets ▁were ▁detected ▁were ▁non - sign ific ant . ▁Therefore , ▁there ▁is ▁no ▁difference ▁between ▁using ▁self - lig ating ▁bra cket ▁and ▁conventional ▁bra cket ▁in ▁patients ▁with ▁period ont al ▁problems . ▁ ▁Tre at ment ▁Time ▁ ▁A ▁system atic ▁review ▁published ▁by ▁Chen ▁et ▁al . ▁in ▁ 2 0 1 0 ▁stated ▁that ▁short ened ▁chair ▁time ▁and ▁slightly ▁less ▁in cis or ▁pro cl ination ▁appear ▁to ▁be ▁the ▁only ▁significant ▁advantages ▁of ▁self - lig ating ▁systems ▁over ▁conventional ▁systems ▁that ▁are ▁supported ▁by ▁the ▁current ▁evidence . ▁On ▁the ▁other ▁hand , ▁a ▁study ▁published ▁by ▁Pap age org i ou ▁et ▁al . ▁stated ▁that ▁their ▁analysis ▁ ▁showed ▁treatment