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10.1186/s12903-025-07434-9 http://scihub22266oqcxt.onion/10.1186/s12903-025-07434-9 41331599!?!41331599 Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=41331599&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215       BMC+Oral+Health 2025 ; ? (?): ? Nephropedia Template TP {{tp|p=41331599|t=2025. Comparative evaluation of marginal fit in conventional versus high-speed-sintered zirconia crowns: an in vitro study |pdf=|usr=}}{{41331599}} gab.com Text Comparative evaluation of marginal fit in conventional versus high-speed-sintered zirconia crowns: an in vitro study JO: BMC Oral Health http://www.kidney.de/pget.php?&tw=1&pmid=41331599 #FOAvip BACKGROUND: High-speed sintering has emerged as a promising innovation for enhancing the efficiency of dental prosthesis fabrication. However, its impact on marginal adaptation remains a critical factor in ensuring the long-term clinical success of restorations. The aim of the study to evaluate the marginal fit of high-speed and regular-speed-sintered zirconia crowns. METHODS: A maxillary right second molar on a typodont was prepared for an all-ceramic crown. A PVS impression was taken and a Type V stone master cast was fabricated. This cast was scanned via a laboratory scanner to produce 20 milled zirconia crowns. The crowns were divided into two groups (n = 10). Group A was subjected to a fast-sintering program, whereas group B was sintered via a conventional-speed-sintering program. Marginal fit was assessed via a stereoscopic microscope at four well-defined points (mid-distal, mid-lingual, mid-mesial, and mid-buccal) on each crown. Three readings were taken at each point. The marginal gaps of both groups were compared via the Wilcoxon signed-rank test. RESULTS: Statistically significant difference between groups A and B (p < 0.001) was revealed. Although the mean marginal gap in both groups was below the clinically acceptable limit (< 90 mum), the fast-sintering program produced restorations with a larger marginal gap than the restorations sintered via the conventional program. CONCLUSION: Crowns produced via both sintering programs were clinically acceptable, although the regular-speed-sintering program yielded a significantly superior marginal fit. Twit Text FOAVip Comparative evaluation of marginal fit in conventional versus high-speed-sintered zirconia crowns: an in vitro study ????BMC Oral Health http://www.kidney.de/pget.php?&tw=1&pmid=41331599 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=41331599 #FOAvip English Wikipedia <ref>{{Cite pmid|41331599}}</ref> Comparative evaluation of marginal fit in conventional versus high-speed-sintered zirconia crowns: an in vitro study #MMPMID41331599 Basunbul G; Alkhallagi TS BMC Oral Health 2025[Dec]; ? (?): ? PMID41331599show ga BACKGROUND: High-speed sintering has emerged as a promising innovation for enhancing the efficiency of dental prosthesis fabrication. However, its impact on marginal adaptation remains a critical factor in ensuring the long-term clinical success of restorations. The aim of the study to evaluate the marginal fit of high-speed and regular-speed-sintered zirconia crowns. METHODS: A maxillary right second molar on a typodont was prepared for an all-ceramic crown. A PVS impression was taken and a Type V stone master cast was fabricated. This cast was scanned via a laboratory scanner to produce 20 milled zirconia crowns. The crowns were divided into two groups (n = 10). Group A was subjected to a fast-sintering program, whereas group B was sintered via a conventional-speed-sintering program. Marginal fit was assessed via a stereoscopic microscope at four well-defined points (mid-distal, mid-lingual, mid-mesial, and mid-buccal) on each crown. Three readings were taken at each point. The marginal gaps of both groups were compared via the Wilcoxon signed-rank test. RESULTS: Statistically significant difference between groups A and B (p < 0.001) was revealed. Although the mean marginal gap in both groups was below the clinically acceptable limit (< 90 mum), the fast-sintering program produced restorations with a larger marginal gap than the restorations sintered via the conventional program. CONCLUSION: Crowns produced via both sintering programs were clinically acceptable, although the regular-speed-sintering program yielded a significantly superior marginal fit. ?Comparative evaluation of marginal fit in conventional versus high-spe(epmc).pdf DeepDyve Pubget Overpricing