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Color stability of five orthodontic clear elastic ligatures
Dener C Soldati1, Roberta C Silva, Adauê S Oliveira
1School of Dentistry, Federal University of Pelotas, RS, Brazil.
Summary
Clear orthodontic elastic ligatures showed significant color changes when exposed to red wine over time. Brand and cumulative exposure influenced ligature color stability, with GAC and Morelli brands staining more than others.
Area of Science:
- Orthodontics
- Dental Materials Science
Background:
- Clear elastic ligatures are commonly used in orthodontics.
- Their aesthetic properties can be compromised by staining agents.
- Understanding ligature color stability is crucial for patient satisfaction.
Purpose of the Study:
- To evaluate the color stability of five commercial orthodontic clear elastic ligatures.
- To assess the effect of daily red wine exposure on ligature color.
- To compare color changes among different ligature brands over 28 days.
Main Methods:
- Five brands of clear elastic ligatures were tested.
- Color stability was measured using Commission Internationale de l'Eclairage (CIE) L*a*b* parameters via spectrophotometry.
- Ligatures were immersed in distilled water (control) or red wine daily for 28 days.
Main Results:
- Red wine exposure significantly increased ligature staining over time, regardless of brand.
- GAC and Morelli brands exhibited higher staining compared to others.
- 3M Unitek and American brands generally showed lower pigmentation.
Conclusions:
- Red wine significantly impacts the color stability of clear orthodontic ligatures.
- Factors influencing color change include the staining agent, duration of exposure, and ligature brand.
- Clinicians should consider these factors when selecting clear ligatures for patients.
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