The Impact of Different Application Techniques on Fiberglass Casts: A Mechanical Experimental Study
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ORIGINAL ARTICLE
The Impact of Different Application Techniques on Fiberglass Casts: A Mechanical Experimental Study Mehmet Yalçınozan1 · Enes Sarı1 Received: 18 February 2020 / Accepted: 19 June 2020 / Published online: 2 July 2020 © Indian Orthopaedics Association 2020
Abstract Background Cast immobilization is a part of treatment in most of the orthopaedic injuries. The fiberglass material has several advantages over plaster of Paris which makes it more preferable. Some techniques are frequently used in daily fiberglass cast application to ease molding, shorten curing time and increase stiffness. The aim of this study is to assess the effects of two techniques on fiberglass cast strength and curing time. Methods A cruris model was prepared to mimic a patella tendon bearing (PTB) cast. Three groups were created for the study (n = 30 each). The casts in the first group were treated with foam soap during molding. The casts in the second group were wrapped with a wet bandage after application. The third group was the control group. The samples were mechanically tested in the 5th, 15th and 30th min. Maximum load, elastic strength, and Young’s modulus were assessed via 3-point bending. All data were compared using linear regression analysis and p 0.005). Bandage group had significantly greater values compared to other two groups in the 30th min (p
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