| ORIGINAL ARTICLE |
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| Year : 2023 | Volume
: 10
| Issue : 1 | Page : 8-10 |
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Assessment of the functional efficacy of various light-curing units of different manufacturers
Nikhel Dev Wazir1, Deebah Choudhary2, Hemanee Rathore3
1 Professor and HOD, Department of Conservative Dentistry and Endodontics, Institute of Dental Sciences, Jammu, Jammu and Kashmir, India
2 Assistant Professor, Department of Conservative Dentistry and Endodontics, Institute of Dental Sciences, Jammu, Jammu and Kashmir, India
3 Consultant, Private Practitioner, Jammu and Kashmir, India
Correspondence Address:
Dr. Nikhel Dev Wazir
Department of Conservative Dentistry and Endodontics, Institute of Dental Sciences, Sehora, Jammu, Jammu and Kashmir
India
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/ijpcdr.ijpcdr_16_20
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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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