Peter Gehrke, Maria Julia Pietruska, Anissa Korth, Tanja Schöttler, Rafaela Jenatschke, Carsten Fischer, Robert Sader, Paul Weigl
{"title":"回顾性、多中心、队列研究，评估种植体支持钛基台固结氧化锆单冠的临床、技术、生物学和美学效果：平均随访 7 年。","authors":"Peter Gehrke, Maria Julia Pietruska, Anissa Korth, Tanja Schöttler, Rafaela Jenatschke, Carsten Fischer, Robert Sader, Paul Weigl","doi":"10.11607/jomi.11039","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>To retrospectively evaluate the long-term clinical, technical, biologic, and esthetic outcomes of implant-supported single zirconia crowns (ISCs) intraorally cemented to titanium-base (Ti-base) hybrid abutments up to 16 years after placement.</p><p><strong>Materials and methods: </strong>A total of 63 ISCs were evaluated in 36 patients at two different private practices.Original Ti-bases were selected, and zirconia (Zr) mesostructures and Zr crowns were designed using CAD/CAM software and then milled from partially stabilized Zr blocks. After the mesostructures were cemented extraorally onto the Ti-bases, the Zr crowns were intraorally luted to the hybrid abutments. The Ti-base ISC restorations were followed for up to 16 years, and their clinical, biologic, and esthetic outcomes were recorded at distinct time points at 3-year intervals: October 2019 (T1) and October 2022 (T2).</p><p><strong>Results: </strong>A total of 36 patients (18 men, 18 women) received 32 ISCs in the anterior region and 31 ISCs in the posterior region of the maxilla and mandible. The mean follow-up of the Ti-base ISCs was 6.93 ± 2.60 years. The mean follow-up of the implants amounted to 8.11 ± 3.26 years. No implants were lost during follow-up, resulting in a cumulative implant survival rate of 100%. Abutment screw loosening was observed in two ISCs after 1 year of function. The overall cumulative restorative survival rate of the Ti-base restorations was 96.83%. At the T2 follow up, 24% of the ISCs exhibited an increase in probing depth (PD) despite maintaining clinically healthy peri-implant tissue. An 11% increase in bleeding on probing (BoP) and a 3.17% decrease in the plaque index (PI) were recorded. Despite spectrophotometrically measured ΔE values indicating visible discoloration of some restorations and their peri-implant soft tissue, a low incidence of esthetic complications was observed with an average pink and white esthetic score (PES/WES) of ≥ 12. No correlation was found between PES (R = -0.25; P = .27) and WES (R = -0.18; P = .43) scores and digital shade determination.</p><p><strong>Conclusions: </strong>The results indicate satisfactory clinical outcomes for intraorally cemented ISCs supported by Ti-base hybrid abutments. An overall esthetic superiority of Ti-base ISCs could not be confirmed.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"207-217"},"PeriodicalIF":0.0000,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Retrospective, Multicenter Cohort Study Evaluating Clinical, Technical, Biologic, and Esthetic Outcomes of Implant- Supported Zirconia Single Crowns Cemented on Titanium- Base Abutments: 7-Year Mean Follow-Up.\",\"authors\":\"Peter Gehrke, Maria Julia Pietruska, Anissa Korth, Tanja Schöttler, Rafaela Jenatschke, Carsten Fischer, Robert Sader, Paul Weigl\",\"doi\":\"10.11607/jomi.11039\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Purpose: </strong>To retrospectively evaluate the long-term clinical, technical, biologic, and esthetic outcomes of implant-supported single zirconia crowns (ISCs) intraorally cemented to titanium-base (Ti-base) hybrid abutments up to 16 years after placement.</p><p><strong>Materials and methods: </strong>A total of 63 ISCs were evaluated in 36 patients at two different private practices.Original Ti-bases were selected, and zirconia (Zr) mesostructures and Zr crowns were designed using CAD/CAM software and then milled from partially stabilized Zr blocks. After the mesostructures were cemented extraorally onto the Ti-bases, the Zr crowns were intraorally luted to the hybrid abutments. The Ti-base ISC restorations were followed for up to 16 years, and their clinical, biologic, and esthetic outcomes were recorded at distinct time points at 3-year intervals: October 2019 (T1) and October 2022 (T2).</p><p><strong>Results: </strong>A total of 36 patients (18 men, 18 women) received 32 ISCs in the anterior region and 31 ISCs in the posterior region of the maxilla and mandible. The mean follow-up of the Ti-base ISCs was 6.93 ± 2.60 years. The mean follow-up of the implants amounted to 8.11 ± 3.26 years. No implants were lost during follow-up, resulting in a cumulative implant survival rate of 100%. Abutment screw loosening was observed in two ISCs after 1 year of function. The overall cumulative restorative survival rate of the Ti-base restorations was 96.83%. At the T2 follow up, 24% of the ISCs exhibited an increase in probing depth (PD) despite maintaining clinically healthy peri-implant tissue. An 11% increase in bleeding on probing (BoP) and a 3.17% decrease in the plaque index (PI) were recorded. Despite spectrophotometrically measured ΔE values indicating visible discoloration of some restorations and their peri-implant soft tissue, a low incidence of esthetic complications was observed with an average pink and white esthetic score (PES/WES) of ≥ 12. No correlation was found between PES (R = -0.25; P = .27) and WES (R = -0.18; P = .43) scores and digital shade determination.</p><p><strong>Conclusions: </strong>The results indicate satisfactory clinical outcomes for intraorally cemented ISCs supported by Ti-base hybrid abutments. An overall esthetic superiority of Ti-base ISCs could not be confirmed.</p>\",\"PeriodicalId\":94230,\"journal\":{\"name\":\"The International journal of oral & maxillofacial implants\",\"volume\":\"0 0\",\"pages\":\"207-217\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-04-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The International journal of oral & maxillofacial implants\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.11607/jomi.11039\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The International journal of oral & maxillofacial implants","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.11607/jomi.11039","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Retrospective, Multicenter Cohort Study Evaluating Clinical, Technical, Biologic, and Esthetic Outcomes of Implant- Supported Zirconia Single Crowns Cemented on Titanium- Base Abutments: 7-Year Mean Follow-Up.
Purpose: To retrospectively evaluate the long-term clinical, technical, biologic, and esthetic outcomes of implant-supported single zirconia crowns (ISCs) intraorally cemented to titanium-base (Ti-base) hybrid abutments up to 16 years after placement.
Materials and methods: A total of 63 ISCs were evaluated in 36 patients at two different private practices.Original Ti-bases were selected, and zirconia (Zr) mesostructures and Zr crowns were designed using CAD/CAM software and then milled from partially stabilized Zr blocks. After the mesostructures were cemented extraorally onto the Ti-bases, the Zr crowns were intraorally luted to the hybrid abutments. The Ti-base ISC restorations were followed for up to 16 years, and their clinical, biologic, and esthetic outcomes were recorded at distinct time points at 3-year intervals: October 2019 (T1) and October 2022 (T2).
Results: A total of 36 patients (18 men, 18 women) received 32 ISCs in the anterior region and 31 ISCs in the posterior region of the maxilla and mandible. The mean follow-up of the Ti-base ISCs was 6.93 ± 2.60 years. The mean follow-up of the implants amounted to 8.11 ± 3.26 years. No implants were lost during follow-up, resulting in a cumulative implant survival rate of 100%. Abutment screw loosening was observed in two ISCs after 1 year of function. The overall cumulative restorative survival rate of the Ti-base restorations was 96.83%. At the T2 follow up, 24% of the ISCs exhibited an increase in probing depth (PD) despite maintaining clinically healthy peri-implant tissue. An 11% increase in bleeding on probing (BoP) and a 3.17% decrease in the plaque index (PI) were recorded. Despite spectrophotometrically measured ΔE values indicating visible discoloration of some restorations and their peri-implant soft tissue, a low incidence of esthetic complications was observed with an average pink and white esthetic score (PES/WES) of ≥ 12. No correlation was found between PES (R = -0.25; P = .27) and WES (R = -0.18; P = .43) scores and digital shade determination.
Conclusions: The results indicate satisfactory clinical outcomes for intraorally cemented ISCs supported by Ti-base hybrid abutments. An overall esthetic superiority of Ti-base ISCs could not be confirmed.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
