Evaluation of Clear Aligner Attachments Bonded to Lithium Disilicate Ceramic Prepared with Different Surface Roughening Methods: An In Vitro Study.

Abdullah M Fayyadh, Mohammed A Elbialy, Marwa A Tawfik
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Abstract

Aim: This study aims to assess the effects of surface conditioning and different composite types on the surface roughness (SR) and shear bond strength (SBS) between lithium disilicate and clear aligner composite attachments.

Materials and methods: Eighty ivoclar vivadent pressable (IPS) e.max press specimens were randomly allocated into four groups (n = 20) based on the surface treatment method employed. Group I: Used sandblasting with 50 μm Al2O3 slurry particles; group II: Used 9.5% hydrofluoric acid (HFA); group III: Used 37% phosphoric acid (PhA); and group IV: Used an Er,Cr:YSGG laser. Surface roughness was measured using a stylus profilometer. For SBS, each group was split into two subgroups based on the composite type (n = 10): FiltekTM Z350 supreme ultra flowable and FiltekTM Z350. The evaluation of SBS was conducted using Instron universal testing equipment.

Results: The results indicated that the sandblasting group gave the highest mean surface roughness, while the 37% PhA group showed the lowest recorded value. In addition, the HFA group had the highest mean SBS, while the 37% PhA group demonstrated the lowest SBS.

Conclusion: The interaction of HFA and FiltekTM Z350 demonstrated the highest SBS, followed by sandblasting and FiltekTM Z350.

Clinical significance: The current study may guide orthodontists to choose the appropriate composite material and conditioning technique to achieve a strong SBS between clear aligner composite attachments and lithium disilicate ceramic. How to cite this article: Fayyadh AM, Elbialy MA, Tawfik MA. Evaluation of Clear Aligner Attachments Bonded to Lithium Disilicate Ceramic Prepared with Different Surface Roughening Methods: An In Vitro Study. J Contemp Dent Pract 2024;25(8):766-771.

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Journal of Contemporary Dental Practice
Journal of Contemporary Dental Practice Dentistry-Dentistry (all)
CiteScore
1.80
自引率
0.00%
发文量
174
期刊介绍: The Journal of Contemporary Dental Practice (JCDP), is a peer-reviewed, open access MEDLINE indexed journal. The journal’s full text is available online at http://www.thejcdp.com. The journal allows free access (open access) to its contents. Articles with clinical relevance will be given preference for publication. The Journal publishes original research papers, review articles, rare and novel case reports, and clinical techniques. Manuscripts are invited from all specialties of dentistry i.e., conservative dentistry and endodontics, dentofacial orthopedics and orthodontics, oral medicine and radiology, oral pathology, oral surgery, orodental diseases, pediatric dentistry, implantology, periodontics, clinical aspects of public health dentistry, and prosthodontics.
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