Mechanical Characterization of Thermoplastic Aligner Materials: Recommendations for Test Parameter Standardization

Figure 1

Different forms used for thermoforming the thermoplastic foils: (a) stone model base plate (L × W × H = 74 mm × 66 mm × 12 mm), (b) stone round disc (H = 9 mm, r = 35 mm), (c) gable roof shaped specimen (rise = 17 mm, span = 24 mm), and (d) stainless steel model holding plate.

(a)

(b)

(c)

(d)