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03.03.2023 | Original Article

Bonded lingual retainer adhesives and discoloration

An in vitro study

verfasst von: Ass. Prof. Sabahat Yazıcıoğlu, Dt. Hasan Karadeniz

Erschienen in: Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie

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Abstract

Purpose

This in vitro study was conducted to compare the discoloration of a flowable self-adhesive composite, a highly filled composite adhesive, and a liquid polish applied highly filled composite adhesive for bonded lingual retainers.

Methods

Thirty composite discs were fabricated and divided into three groups: group 1, flowable self-adhesive (GC Ortho Connect™ Flow [GCO], GC Orthodontics, Tokyo, Japan); group 2, highly filled composite adhesive (Transbond™ LR [TLR], 3M Unitek, Monrovia, CA, USA); and group 3, highly filled composite adhesive with liquid polish (TLR and BisCover LV™ [TLRB], BISCO Inc, Schaumburg, IL, USA). L*a*b* values were measured by spectrophotometer prior to (T0) and following (T1) immersion in coffee. T1 − T0 differences were calculated as ∆L*, ∆a*, ∆b*, and ∆E*ab values. The Shapiro–Wilk test was performed to determine whether the data were normally distributed. The values that did not fit the normal distribution were evaluated with the Kruskal–Wallis one-way analysis of variance (ANOVA), and Dunn’s test was used for multiple comparisons. The level of significance was p < 0.05.

Results

The difference between the TLR and TLRB groups was statistically significant for ∆E*ab (P = 0.007). ∆E*ab value of TLR group was greater than ∆E*ab value of TLRB group. The differences between the GCO and TLR groups (p = 0.001) and the TLR and TLRB groups (p = 0.010) were statistically significant for ∆a*. ∆a* values of GCO and TLRB groups were greater than ∆a* value of TLR group. The difference between the TLR and TLRB groups was statistically significant (p = 0.003) for ∆b*. ∆b* value of TLR group was greater than ∆b* value of TLRB group.

Conclusions

Using a Transbond LR polished with BisCover LV or only GC Ortho Connect Flow for lingual retainer bonding reduces coffee-induced discoloration.
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Metadaten
Titel
Bonded lingual retainer adhesives and discoloration
An in vitro study
verfasst von
Ass. Prof. Sabahat Yazıcıoğlu
Dt. Hasan Karadeniz
Publikationsdatum
03.03.2023
Verlag
Springer Medizin
Erschienen in
Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie
Print ISSN: 1434-5293
Elektronische ISSN: 1615-6714
DOI
https://doi.org/10.1007/s00056-023-00453-7

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