Jones, SP; Ben Bihi, S; (2009) Static frictional resistance with the Slide low-friction elastomeric ligature system. AUST ORTHOD J , 25 (2) 136 - 141.
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Aim: This ex-vivo study compared the static frictional resistance of a low-friction ligation system against a conventional elastomeric module, and studied the effect of storage in a simulated oral environment on the static frictional resistance of both ligation systems.Methods: Eighty stainless steel brackets were tested by sliding along straight lengths of 0.018 inch round and 0.019 x 0.025 inch rectangular stainless steel wires ligated with either conventional elastomerics or the Slide system (Leone, Florence, Italy). During the tests the brackets and wires were lubricated with artificial saliva. A specially constructed jig assembly was used to hold the bracket and archwire securely. The jig was clamped in an Instron universal load testing machine. Crosshead speed was controlled via a microcomputer connected to the Instron machine. The static frictional forces at 0 degree bracket/wire angulation were measured for both systems, fresh from the pack and after storage in artificial saliva at 37 degrees C for 24 hours.Results: The results of this investigation demonstrated that the Slide ligatures produced significantly lower static frictional resistance than conventional elastomeric modules in the fresh condition and after 24 hours of storage in a simulated oral environment (p < 0.001). Storage for 24 hours in artificial saliva had no effect on the static frictional resistance of conventional elastomeric modules and the Slide system (p = 0.525).Conclusions: The claim by the manufacturer that the Slide system produces lower frictional resistance than conventional elastomeric modules is upheld. (Aust Orthod J 2009; 25: 136-141)
|Title:||Static frictional resistance with the Slide low-friction elastomeric ligature system|
|Keywords:||PREADJUSTED APPLIANCE, ORTHODONTIC WIRES, ARCH WIRE, 4 ALLOYS, MECHANICS, BRACKET, FORCES|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Eastman Dental Institute|
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