التفاصيل البيبلوغرافية
| العنوان: |
Scanning electron microscopy analysis of aligner fitting on anchorage attachments. |
| العنوان البديل: |
Rasterelektronenmikroskopische Untersuchung der Paßgenauigkeit von Alignern an Verankerungsattachments. (German) |
| المؤلفون: |
Mantovani, Edoardo, Castroflorio, Enrico, Rossini, Gabriele, Garino, Francesco, Cugliari, Giovanni, Deregibus, Andrea, Castroflorio, Tommaso |
| المصدر: |
Journal of Orofacial Orthopedics/Fortschritte der Kieferorthopadie; Mar2019, Vol. 80 Issue 2, p79-87, 9p |
| مصطلحات موضوعية: |
SCANNING electron microscopy |
| مصطلحات جغرافية: |
ITALY, SWEDEN, UNITED States |
| مستخلص: |
Purpose: The aims of the study were (1) to evaluate the fitting of three different aligners (Invisalign [Align Technology, Santa Clara, CA, USA], CA Clear Aligner [Scheu-Dental, Iserlohn, Germany] and F22 [Sweden&Martina, Due Carrare, Italy]) on anchorage attachments using scanning electron microscopy (SEM), and (2) to analyze the influence of 2 different types of resin used to build attachments on aligner fitting.Methods: Using STL files of a patient, six resin casts were obtained and rectangular attachments were bonded on them. Conventional bulk-fill resin was used to build upper attachments while a flowable resin was used to build the lower ones. Passive aligners were adapted on each cast and then sectioned buccolingually. Microphotographs of the obtained sections were performed using a SEM and then micrometric measurements of aligner fitting on anchorage attachments were recorded.Results: Analyzing the overall fitting of upper arch aligners, Invisalign provided a significantly better fitting with respect to F22 (P = 0.009); differences were not significant when comparing Invisalign with CA Clear Aligner, and CA Clear Aligner with F22. Analyzing the overall fitting of lower arch aligners, F22 provided a significantly better fitting with respect to CA Clear Aligner (P = 0.008) and Invisalign (P = 0.011). The analysis showed a significantly better fitting on upper attachments, built using conventional bulk-fill resin (P = 0.034).Conclusions: Invisalign, CA Clear Aligner and F22 have comparable performance in terms of fitting on anchorage attachments. Conventional bulk-fill resin provides the best fitting on anchorage attachments. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
