Force decay and dimensional changes of thermoplastic and novel thermoset elastomeric ligatures

: To compare over a period of 8 weeks (1) the force decay and (2) the dimensional changes between thermoplastic (TP) and thermoset (TS) elastomeric ligatures. Materials and Methods: TP and TS elastomeric ligatures were obtained from Rocky Mountain OrthodonticsTM. The TS ligatures were custom made specifically for this study. The sample included 72 clear TP and 72 clear TS elastomeric ligatures

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