Biomechanical Evaluation of a Mandibular Spanning Plate Technique Compared to Standard Plating Techniques to Treat Mandibular Symphyseal Fractures
Table 1
Groups.
Group
Fixation technique
Control
No simulated fractures or fixation
2 parallel plates (2PP)
Four-hole 0.6 mm miniplate secured with four 1.7 mm outer diameter screws 4 mm long to upper border of outer cortex + 4-hole 1.5 mm titanium plate secured with four 2.0 mm outer diameter screws 10 mm long to lower border of outer cortex
2PP + spanning plate (SP1)
Four-hole 0.6 mm miniplate secured with four 1.7 mm outer diameter screws 4 mm long to upper border of outer cortex + 4-hole 1.5 mm titanium plate secured with four 2.0 mm outer diameter screws 10 mm long to lower border of outer cortex + 12-hole 1.5 mm titanium plate spanning between the inferior borders of mandibular body secured with four 1.7 mm outer diameter screws 4 mm long
Ladder plate + spanning plate (SP2)
Six-hole 1.5 mm titanium ladder plate secured with four 2.0 mm outer diameter self-tapping screws 10 mm long to outer cortex + 12-hole 1.5 mm titanium plate spanning between the inferior borders of mandibular body secured with four 1.7 mm outer diameter self-tapping screws 4 mm long
Lag screw (LS)
Two 30 mm long 2.0 mm outer diameter self-tapping screws
