Comparison to Conventional Brackets - Self-ligating braces are smaller and more aesthetic. - They do not require elastic ligature (bands or ties). - Self-ligating brackets tend to stand off the teeth further toward the lips and cheeks. - Some studies suggest that self-ligating brackets do not outperform conventional brackets in terms of discomfort relief or promoting oral health. - There is no evidence for a significant influence of bracket design on the formation and adhesion of Streptococcus mutans colonies.

Periodontal Status - There is no significant difference in the periodontal status of patients using self-ligating brackets compared to conventional brackets. - Differences in periodontal status between the two types of brackets were non-significant in a systematic review and meta-analysis study. - Self-ligating brackets do not offer an advantage over conventional brackets for patients with periodontal problems.

Treatment Time - Self-ligating systems have the advantage of shortened chair time, according to a systematic review. - Slightly less incisor proclination is observed with self-ligating systems compared to conventional systems. - However, another study found that treatment time was longer when using self-ligating brackets compared to conventional brackets.

Friction - Self-ligating brackets produce lower friction when coupled with small round archwires in ideally aligned arches. - Round wires generally produce less friction than rectangular wires. - Friction of both self-ligating and conventional brackets increases as the archwire size increases. - Some studies suggest that self-ligating brackets have lower friction than conventional brackets at all angulations. - However, sufficient evidence is lacking to claim that self-ligating brackets produce lower friction in the presence of tipping and/or torque and in arches with considerable malocclusion.

Active vs. Passive Brackets - Self-ligating brackets can be either active or passive. - Active self-ligating brackets exert pressure on the archwire, while passive brackets do not. - Examples of active self-ligating brackets include In-ovation, SPEED, and Timelock. - Examples of passive self-ligating brackets include Damon, eLock, and SmartClip. - Active self-ligating brackets generally exhibit higher friction than passive self-ligating brackets and conventional brackets when tested with rectangular wires.