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مشاهده آیتم 
  •   صفحه اصلی مخزن دانش
  • School of Dentistry
  • Theses(D)
  • مشاهده آیتم
  •   صفحه اصلی مخزن دانش
  • School of Dentistry
  • Theses(D)
  • مشاهده آیتم
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Comparison of adaption of custom trays fabricated using CAD/3D printer and manual techniques for edentulous maxilla

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نمایش/بازکردن
Alireza Hayati MScD thesis.pdf (1.056Mb)
تاریخ
2019
نویسنده
Hayati Gharjan, Alireza
Metadata
نمایش پرونده کامل آیتم
چکیده
The aim was to investigate the utilization of CAD/ 3D printers for designing and manufacturing custom trays, which is one of the steps in the fabrication of complete dentures. Materials and methods: The samples included 36 trays on maxillary casts of edentulous mannequins that were divided into 6 groups (n=6). Group 1: trays with selective pressure produced using CAD/3D printer. Group 2: trays with selective pressure fabricated using cold-cured acrylic resin. Group 3: trays with selective pressure fabricated using light-cured resin. Group 4: trays with space using CAD / 3D printer. Group 5: trays with space fabricated using cold-cured resin. Group 6: trays with space fabricated using light-cured resin. The distance between the tissue surfaces of the trays was calculated using Matlab software. One-way ANOVA test were used for statistical analysis, and P<0.05 was considered as significant. Results: There is significant difference between groups 1, 2 and 3 (P=0.001). Pairwise comparisons with post hoc Tukey tests showed that the mean distance in group 2 was significantly higher than those in groups 1 and 3 (P=0.001); however, the mean distances between groups 1 and 3 were not significant. There is no significant differences between groups 4, 5 and 6 (p = 0.53). However, the mean distance in the trays fabricated by the 3D printer was lower than that in the trays fabricated using cold-cured and light-cured acrylic resins. Conclusion: Adaptation and space distribution in the trays fabricated by the 3D printer was more suitable than the conventional trays.
URI
http://dspace.tbzmed.ac.ir:8080/xmlui/handle/123456789/61071
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  • Theses(D)

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