Chulalongkorn University Dental Journal

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The conventional fixed orthodontic appliances have been used to treat number of patients effectively for a long time. However, the popularity of using self-ligating brackets has increased considerably over the last few years. Many advantages of using self-ligating brackets have proposed. These include minimized applied force from the appliance with reduced friction, favorable physiologic tooth movement, less treatment time, longer treatment intervals with fewer appointments, chair time saving, less patient discomfort, improved oral hygiene, etc. However, self-ligating brackets cost higher than conventional appliances. They also have more bulky profile due to their complicated mechanical design and their clip or slide possibly susceptible to breakage during the treatment. This review summarizes and discusses current evidences on the efficacy of self-ligating versus conventional orthodontic fixed appliances that has been claimed and published in various aspects including friction, active vs passive self-ligating brackets, treatment time, rate of alignment and space closure, chair time, arch dimension and lower incisor inclination, bracket failure rate, treatment stability, patient discomfort, oral hygiene and apical root resorption.



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