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Table 1 Details of the five tested thermoplastic materials

From: Effects of simulated intraoral temperatures and wet environments on the stress relaxation properties of thermoplastic aligner materials

abbreviation

type

manufacturer

chemical composition

chemical formula

Thickness (mm)

B

Biolon

Dreve Dental, GmbH

PETG

[COC6H4COOCH2CH2O]n

1

D

Duran

Scheu Dental, GmbH

PETG

[COC6H4COOCH2CH2O]n

1

E

Erkodur

Erkodent, GmbH

PETG

[COC6H4COOCH2CH2O]n

1

ACE

Essix ACE

Dentsply Raintree Essix, Inc

Copolyester

[COOCH2CH(CH3)O]n

0.89

C + 

Essix C + 

Dentsply Raintree Essix, Inc

PP/PE

[CH2CH(CH3)]n, [CH2CH2]n

1.02

  1. Chemical composition is obtained from the manufacturers’ Material Safety Data Sheet
  2. Abbreviations: PETG Polyethylene terephthalate-1,4-cyclohexanedimethyleneterephthalate, PP Polypropylene, PE Polyethylene
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Head & Face Medicine

ISSN: 1746-160X

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