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22대 대한민국 국회 국회정보길라잡이 국회의원검색
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PURPOSE. This study aimed to assess the osseointegration effects of niobia-modified yttria-stabilized tetragonal zirconia ((Y,Nb)-TZP) implants, compared to titanium implants and 3 mol% yttria-stabilized tetragonal zirconia (3Y-TZP) implants in a rabbit tibia model. MATERIALS AND METHODS. Sandblasted (Y,Nb)-TZP implants (YNb), sandblasted and acid-etched titanium implants (SLA), and smooth-surface 3D-printed 3Y-TZP implants (3Y) were prepared. Surface characteristics of the specimens were evaluated using scanning electron microscopy and confocal laser scanning microscopy. Implants were inserted into the tibiae of 16 rabbits, with eight rabbits euthanized at each time point (2 and 6 weeks). To estimate periodic bone remodeling, tetracycline and xylenol orange were administered to the rabbits euthanized at 6 weeks. Undecalcified specimens were prepared to measure the periodic bone remodeling ratio (PBR), bone-to-implant contact (BIC) and bone area (BA). Data analysis was conducted using one-way ANOVA with Bonferroni post hoc analysis and the Wilcoxon signed-rank test at a significance level of 0.05. RESULTS. At both the 2-week and 6-week intervals, YNb group exhibited significantly higher BIC values than the SLA and 3Y groups. No significant differences (P > .05) were found in PBR and BA across all comparisons. CONCLUSION. Sandblasted (Y,Nb)-TZP implants indicated superior osseointegration in comparison to SLA titanium and smooth-surface 3D-printed 3Y-TZP implants. The enhanced osseointegration observed in this study supports the clinical potential of (Y,Nb)-TZP as a next-generation zirconia implant material.

권호기사

권호기사 목록 테이블로 기사명, 저자명, 페이지, 원문, 기사목차 순으로 되어있습니다.
기사명 저자명 페이지 원문 목차
Health of peri-implant soft tissues adjacent to glazed or polished monolithic zirconia : a randomized clinical trial Douglas Blum Segalla, Eduardo Rolim Teixeira, Rosemary Sadami Arai Shinkai p. 259-268
Comparison of the accuracy of removable partial denture frameworks fabricated using conventional and digital impressions : a clinical study Myeong Ah Yoon, Minji Sun, Jeongho Jeon, You-Jung Kang, Jee Hwan Kim p. 269-278
Effect of the scan body alignment process on the accuracy of virtual definitive implant casts : a pilot study Jaime Orejas Pérez, Cristina Andreu Vázquez, Ana Suárez, Andrea Santamaría Laorden p. 279-291
Influence of camera position, implant angulation and implant reference on the accuracy of complete arch implant recordings with photogrammetry Meriem Benabdallah-M’Rabat, Andrea Santamaria-Laorden, Sabina Francesca Bertuol-Gessi, Alicia Martínez-Marugán, Ana Suarez-García, Israel John Thuissard, Jaime Orejas-Pérez p. 292-303
Fracture strength and marginal gap comparisons of monolayered and multilayered monolithic zirconia crowns with various milling depths Gökçe Zengin, Burcu Kanat-Ertürk, Mine Dündar-Çömlekoğlu p. 304-314
Osseointegration properties of niobia-modified yttria-stabilized zirconia implant surface : an in vivo study Ji-Hyun Park, Le Na Lau, Young Suk Kang, In-Sung Luke Yeo p. 315-327
Comparing impression techniques in the prosthodontic treatment for edentulous patients : a 3D finite element analysis Mary Delia Zoleta Bondoc, Mi-El Kim, Young-Jun Lim, Myung-Joo Kim, Ho-Beom Kwon p. 328-338

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