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ABSTRACT
Friction in Orthodontics: A review article
Zara Shah, Upendra Jain, Chandni Bharti, Zara Shah
ABSTRACT
Aim Friction is defined as the force that resists a movement when an object moves tangentially against another. As two surfaces in contact slide against one another, various forces arise. Friction is a challenge for the orthodontists specially with sliding mechanics, and must be dealt efficiently to provide desired tooth movements. There are various factors that affect friction such as archwires, brackets and ligation. Greater the diameter of the wire, greater will be the friction because the critical contact angle is met with less tip in the bracket. Ti brackets favored comparably with their Stainless steel counterparts. Ceramic brackets produce nearly twice as much friction compared to the Stainless Steel brackets.
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