Cobalt-chromium alloys in fixed prosthodontics in Sweden
Aim: The aim of this study was to compile the usage of Co-Cr alloys in fixed prosthodontics (FP) among dental laboratories in Sweden. Methods: From March to October 2015, questionnaires were sent to 542 registered dental laboratories in Sweden. The questionnaires were divided in two parts, one for f...
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Medical Journals Sweden
2017-01-01
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| Series: | Acta Biomaterialia Odontologica Scandinavica |
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| Online Access: | http://dx.doi.org/10.1080/23337931.2017.1360776 |
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| author | Maria Kassapidou Victoria Franke Stenport Lars Hjalmarsson Carina B. Johansson |
| author_facet | Maria Kassapidou Victoria Franke Stenport Lars Hjalmarsson Carina B. Johansson |
| author_sort | Maria Kassapidou |
| collection | DOAJ |
| description | Aim: The aim of this study was to compile the usage of Co-Cr alloys in fixed prosthodontics (FP) among dental laboratories in Sweden. Methods: From March to October 2015, questionnaires were sent to 542 registered dental laboratories in Sweden. The questionnaires were divided in two parts, one for fixed dental-supported prosthodontics (FDP) and one for fixed implant-supported prosthodontics (FIP). Reminders were sent three times. Results: In total of 542 dental laboratories, 55% answered the questionnaires. Most dental laboratories use Co-Cr in FP, 134 (74%) in FDP and 89(66%) in FIP. The laboratories used Co-Cr alloys of various compositions in the prostheses, 35 for FDP and 30 for FIP. The most commonly used Co-Cr alloys for tooth-supported FDPs were (a) Wirobond® 280, (b) Cara SLM and (c) Wirobond® C. For implant-supported frameworks the frequently used alloys were: (a) Cara SLM, (b) Cara Milled and (c) Wirobond® 280. Except for the difference in composition of these alloys, they were also manufactured with various techniques. In tooth-supported prostheses the dominating technique was the cast technique while newer techniques as laser-sintering and milling were more commonly reported for implant-supported constructions. A fourth technique; the ‘pre-state’ milling was reported in FDP. Conclusion: More than 30 different Co-Cr alloys were reported as being used in FP. Thus, there is a need for studies exploring the mechanical and physical behavior and the biological response to the most commonly used Co-Cr alloys. |
| format | Article |
| id | doaj-art-67ca2b065fe04d01ba9754ddb0e4634b |
| institution | OA Journals |
| issn | 2333-7931 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | Medical Journals Sweden |
| record_format | Article |
| series | Acta Biomaterialia Odontologica Scandinavica |
| spelling | doaj-art-67ca2b065fe04d01ba9754ddb0e4634b2025-08-20T01:47:38ZengMedical Journals SwedenActa Biomaterialia Odontologica Scandinavica2333-79312017-01-0131536210.1080/23337931.2017.13607761360776Cobalt-chromium alloys in fixed prosthodontics in SwedenMaria Kassapidou0Victoria Franke Stenport1Lars Hjalmarsson2Carina B. Johansson3Institute for Postgraduate Dental EducationSahlgrenska Academy, University of GothenburgSahlgrenska Academy, University of GothenburgSahlgrenska Academy, University of GothenburgAim: The aim of this study was to compile the usage of Co-Cr alloys in fixed prosthodontics (FP) among dental laboratories in Sweden. Methods: From March to October 2015, questionnaires were sent to 542 registered dental laboratories in Sweden. The questionnaires were divided in two parts, one for fixed dental-supported prosthodontics (FDP) and one for fixed implant-supported prosthodontics (FIP). Reminders were sent three times. Results: In total of 542 dental laboratories, 55% answered the questionnaires. Most dental laboratories use Co-Cr in FP, 134 (74%) in FDP and 89(66%) in FIP. The laboratories used Co-Cr alloys of various compositions in the prostheses, 35 for FDP and 30 for FIP. The most commonly used Co-Cr alloys for tooth-supported FDPs were (a) Wirobond® 280, (b) Cara SLM and (c) Wirobond® C. For implant-supported frameworks the frequently used alloys were: (a) Cara SLM, (b) Cara Milled and (c) Wirobond® 280. Except for the difference in composition of these alloys, they were also manufactured with various techniques. In tooth-supported prostheses the dominating technique was the cast technique while newer techniques as laser-sintering and milling were more commonly reported for implant-supported constructions. A fourth technique; the ‘pre-state’ milling was reported in FDP. Conclusion: More than 30 different Co-Cr alloys were reported as being used in FP. Thus, there is a need for studies exploring the mechanical and physical behavior and the biological response to the most commonly used Co-Cr alloys.http://dx.doi.org/10.1080/23337931.2017.1360776Prosthodonticscobalt-chromium surveydental technician |
| spellingShingle | Maria Kassapidou Victoria Franke Stenport Lars Hjalmarsson Carina B. Johansson Cobalt-chromium alloys in fixed prosthodontics in Sweden Acta Biomaterialia Odontologica Scandinavica Prosthodontics cobalt-chromium survey dental technician |
| title | Cobalt-chromium alloys in fixed prosthodontics in Sweden |
| title_full | Cobalt-chromium alloys in fixed prosthodontics in Sweden |
| title_fullStr | Cobalt-chromium alloys in fixed prosthodontics in Sweden |
| title_full_unstemmed | Cobalt-chromium alloys in fixed prosthodontics in Sweden |
| title_short | Cobalt-chromium alloys in fixed prosthodontics in Sweden |
| title_sort | cobalt chromium alloys in fixed prosthodontics in sweden |
| topic | Prosthodontics cobalt-chromium survey dental technician |
| url | http://dx.doi.org/10.1080/23337931.2017.1360776 |
| work_keys_str_mv | AT mariakassapidou cobaltchromiumalloysinfixedprosthodonticsinsweden AT victoriafrankestenport cobaltchromiumalloysinfixedprosthodonticsinsweden AT larshjalmarsson cobaltchromiumalloysinfixedprosthodonticsinsweden AT carinabjohansson cobaltchromiumalloysinfixedprosthodonticsinsweden |