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Progress in Orthodontics

Table 1 Elastic strain energy calculation after application of two traction intensities tested (7.8 and 9.8 N) with an inclination of 0° with respect to the occlusal plane

From: Facemask performance during maxillary protraction: a finite element analysis (FEA) evaluation of load and stress distribution on Delaire facemask

Loads (N)

Inclination

Total elastic energy [mJ]

Energy on ABS supports [mJ]

Energy on metallic lateral bars [mJ]

Energy on metallic vertical bar [mJ]

7.8

0°

1,4545

0,0090

0,8731

0,5724

9.8

0°

2,2762

0,0140

1,3643

0,8944

  1. N Newton; mJ milliJoule, 1 mJ is equivalent to 0.001 J (Joule); ABS Acrilonitrile butadiene stirene
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