{"title":"评估不同厂家的各种光固化单元的功能功效","authors":"N. Wazir, Deebah Choudhary, Hemanee Rathore","doi":"10.4103/ijpcdr.ijpcdr_16_20","DOIUrl":null,"url":null,"abstract":"Background: Light plays an important role in polymerizing a light-cured resin-based composite as a hard restorative material. The present study was conducted to assess the functional efficacy of various light-curing units (LCUs) available to us. Materials and Methods: The present study was conducted in the Department of Endodontics on 60 different LCUs of different manufacturers. Parameters such as type of light-curing unit, the curing protocol, and frequency of bulb replacement were also recorded. Results: Out of 60 LCUs, 26 were quartz–tungsten–halogen (QTH) and 34 were light-emitting diodes (LEDs). The mean intensity of QTH was 486.3 W/cm2 and of LED was 612.1 W/cm2. The difference was significant (P < 0.05). Nineteen QTH and 22 LEDs were satisfactory, while 7 QTH and 12 LEDs were unsatisfactory. The difference was nonsignificant (P > 0.05). Conclusion: The authors found that maximum satisfactory results were seen with QTH type as compared to LED type.","PeriodicalId":14257,"journal":{"name":"International Journal of Preventive and Clinical Dental Research","volume":"81 1","pages":"8 - 10"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Assessment of the functional efficacy of various light-curing units of different manufacturers\",\"authors\":\"N. Wazir, Deebah Choudhary, Hemanee Rathore\",\"doi\":\"10.4103/ijpcdr.ijpcdr_16_20\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Background: Light plays an important role in polymerizing a light-cured resin-based composite as a hard restorative material. The present study was conducted to assess the functional efficacy of various light-curing units (LCUs) available to us. Materials and Methods: The present study was conducted in the Department of Endodontics on 60 different LCUs of different manufacturers. Parameters such as type of light-curing unit, the curing protocol, and frequency of bulb replacement were also recorded. Results: Out of 60 LCUs, 26 were quartz–tungsten–halogen (QTH) and 34 were light-emitting diodes (LEDs). The mean intensity of QTH was 486.3 W/cm2 and of LED was 612.1 W/cm2. The difference was significant (P < 0.05). Nineteen QTH and 22 LEDs were satisfactory, while 7 QTH and 12 LEDs were unsatisfactory. The difference was nonsignificant (P > 0.05). Conclusion: The authors found that maximum satisfactory results were seen with QTH type as compared to LED type.\",\"PeriodicalId\":14257,\"journal\":{\"name\":\"International Journal of Preventive and Clinical Dental Research\",\"volume\":\"81 1\",\"pages\":\"8 - 10\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Preventive and Clinical Dental Research\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.4103/ijpcdr.ijpcdr_16_20\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Preventive and Clinical Dental Research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4103/ijpcdr.ijpcdr_16_20","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Assessment of the functional efficacy of various light-curing units of different manufacturers
Background: Light plays an important role in polymerizing a light-cured resin-based composite as a hard restorative material. The present study was conducted to assess the functional efficacy of various light-curing units (LCUs) available to us. Materials and Methods: The present study was conducted in the Department of Endodontics on 60 different LCUs of different manufacturers. Parameters such as type of light-curing unit, the curing protocol, and frequency of bulb replacement were also recorded. Results: Out of 60 LCUs, 26 were quartz–tungsten–halogen (QTH) and 34 were light-emitting diodes (LEDs). The mean intensity of QTH was 486.3 W/cm2 and of LED was 612.1 W/cm2. The difference was significant (P < 0.05). Nineteen QTH and 22 LEDs were satisfactory, while 7 QTH and 12 LEDs were unsatisfactory. The difference was nonsignificant (P > 0.05). Conclusion: The authors found that maximum satisfactory results were seen with QTH type as compared to LED type.
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