Thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wall
OBJECTIVE: The purpose of this study was to investigate the polymerization temperature of a bulk filled composite resin light-activated with various light curing modes using infrared thermography according to the curing depth and approximation to the cavity wall. MATERIAL AND METHODS: Composite...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
University of São Paulo
2013-07-01
|
| Series: | Journal of Applied Oral Science |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572013000400293&lng=en&tlng=en |
| _version_ | 1819112011371380736 |
|---|---|
| author | Hoon-Sang Chang Kyu-Jeong Cho Su-Jung Park Bin-Na Lee Yun-Chan Hwang Won-Mann Oh In-Nam Hwang |
| author_facet | Hoon-Sang Chang Kyu-Jeong Cho Su-Jung Park Bin-Na Lee Yun-Chan Hwang Won-Mann Oh In-Nam Hwang |
| author_sort | Hoon-Sang Chang |
| collection | DOAJ |
| description | OBJECTIVE: The purpose of this study was to investigate the polymerization temperature of a bulk filled composite resin light-activated with various light curing modes using infrared thermography according to the curing depth and approximation to the cavity wall. MATERIAL AND METHODS: Composite resin (AeliteFlo, Bisco, Schaumburg, IL, USA) was inserted into a Class II cavity prepared in the Teflon blocks and was cured with a LED light curing unit (Dr's Light, GoodDoctors Co., Seoul, Korea) using various light curing modes for 20 s. Polymerization temperature was measured with an infrared thermographic camera (Thermovision 900 SW/TE, Agema Infra-red Systems AB, Danderyd, Sweden) for 40 s at measurement spots adjacent to the cavity wall and in the middle of the cavity from the surface to a 4 mm depth. Data were analyzed according to the light curing modes with one-way ANOVA, and according to curing depth and approximation to the cavity wall with two-way ANOVA. RESULTS: The peak polymerization temperature of the composite resin was not affected by the light curing modes. According to the curing depth, the peak polymerization temperature at the depth of 1 mm to 3 mm was significantly higher than that at the depth of 4 mm, and on the surface. The peak polymerization temperature of the spots in the middle of the cavity was higher than that measured in spots adjacent to the cavity wall. CONCLUSION: In the photopolymerization of the composite resin, the temperature was higher in the middle of the cavity compared to the outer surface or at the internal walls of the prepared cavity. |
| first_indexed | 2024-12-22T04:06:43Z |
| format | Article |
| id | doaj.art-1e0d819524b649bcafa1755c83510386 |
| institution | Directory Open Access Journal |
| issn | 1678-7765 |
| language | English |
| last_indexed | 2024-12-22T04:06:43Z |
| publishDate | 2013-07-01 |
| publisher | University of São Paulo |
| record_format | Article |
| series | Journal of Applied Oral Science |
| spelling | doaj.art-1e0d819524b649bcafa1755c835103862022-12-21T18:39:36ZengUniversity of São PauloJournal of Applied Oral Science1678-77652013-07-0121429329910.1590/1678-775720130036S1678-77572013000400293Thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wallHoon-Sang ChangKyu-Jeong ChoSu-Jung ParkBin-Na LeeYun-Chan HwangWon-Mann OhIn-Nam HwangOBJECTIVE: The purpose of this study was to investigate the polymerization temperature of a bulk filled composite resin light-activated with various light curing modes using infrared thermography according to the curing depth and approximation to the cavity wall. MATERIAL AND METHODS: Composite resin (AeliteFlo, Bisco, Schaumburg, IL, USA) was inserted into a Class II cavity prepared in the Teflon blocks and was cured with a LED light curing unit (Dr's Light, GoodDoctors Co., Seoul, Korea) using various light curing modes for 20 s. Polymerization temperature was measured with an infrared thermographic camera (Thermovision 900 SW/TE, Agema Infra-red Systems AB, Danderyd, Sweden) for 40 s at measurement spots adjacent to the cavity wall and in the middle of the cavity from the surface to a 4 mm depth. Data were analyzed according to the light curing modes with one-way ANOVA, and according to curing depth and approximation to the cavity wall with two-way ANOVA. RESULTS: The peak polymerization temperature of the composite resin was not affected by the light curing modes. According to the curing depth, the peak polymerization temperature at the depth of 1 mm to 3 mm was significantly higher than that at the depth of 4 mm, and on the surface. The peak polymerization temperature of the spots in the middle of the cavity was higher than that measured in spots adjacent to the cavity wall. CONCLUSION: In the photopolymerization of the composite resin, the temperature was higher in the middle of the cavity compared to the outer surface or at the internal walls of the prepared cavity.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572013000400293&lng=en&tlng=enComposite resinsDental curing lightsPolymerizationThermography |
| spellingShingle | Hoon-Sang Chang Kyu-Jeong Cho Su-Jung Park Bin-Na Lee Yun-Chan Hwang Won-Mann Oh In-Nam Hwang Thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wall Journal of Applied Oral Science Composite resins Dental curing lights Polymerization Thermography |
| title | Thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wall |
| title_full | Thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wall |
| title_fullStr | Thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wall |
| title_full_unstemmed | Thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wall |
| title_short | Thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wall |
| title_sort | thermal analysis of bulk filled composite resin polymerization using various light curing modes according to the curing depth and approximation to the cavity wall |
| topic | Composite resins Dental curing lights Polymerization Thermography |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572013000400293&lng=en&tlng=en |
| work_keys_str_mv | AT hoonsangchang thermalanalysisofbulkfilledcompositeresinpolymerizationusingvariouslightcuringmodesaccordingtothecuringdepthandapproximationtothecavitywall AT kyujeongcho thermalanalysisofbulkfilledcompositeresinpolymerizationusingvariouslightcuringmodesaccordingtothecuringdepthandapproximationtothecavitywall AT sujungpark thermalanalysisofbulkfilledcompositeresinpolymerizationusingvariouslightcuringmodesaccordingtothecuringdepthandapproximationtothecavitywall AT binnalee thermalanalysisofbulkfilledcompositeresinpolymerizationusingvariouslightcuringmodesaccordingtothecuringdepthandapproximationtothecavitywall AT yunchanhwang thermalanalysisofbulkfilledcompositeresinpolymerizationusingvariouslightcuringmodesaccordingtothecuringdepthandapproximationtothecavitywall AT wonmannoh thermalanalysisofbulkfilledcompositeresinpolymerizationusingvariouslightcuringmodesaccordingtothecuringdepthandapproximationtothecavitywall AT innamhwang thermalanalysisofbulkfilledcompositeresinpolymerizationusingvariouslightcuringmodesaccordingtothecuringdepthandapproximationtothecavitywall |