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Non\u2010retentive Class I and V cavities were prepared in one upper molar. Two T\u2010type thermocouples were inserted into the pulp chamber. After the PT values reached 32\u00b0C under simulated pulp flow (0.026\u2009mL\/min), both cavities were restored with: Filtek One Bulk Fill (3\u00a0M), Filtek Bulk Fill Flow (3\u00a0M), Tetric PowerFill (Ivoclar Vivadent), or Tetric PowerFlow (Ivoclar Vivadent). The tooth was exposed as follows: Monet Laser (1 and 3\u00a0s), PowerCure (3 and 20\u2009s), PinkWave (3 and 20\u2009s), Valo X (5 and 20\u2009s) and SmartLite Pro (20\u2009s). The \u0394<jats:italic>T<\/jats:italic> data were subjected to one\u2010way ANOVA followed by Scheffe's post hoc test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Monet 1\u00a0s (1.9\u00a0J) and PinkWave 20\u2009s (30.1\u00a0J) delivered the least and the highest amount of energy, respectively. Valo X and PinkWave used for 20\u2009s produced the highest \u0394<jats:italic>T<\/jats:italic> values (3.4\u20134.1\u00b0C). Monet 1\u00a0s, PinkWave 3\u00a0s, PowerCure 3\u00a0s (except FB\u2010Flow) and Monet 3\u00a0s for FB\u2010One and TP\u2010Fill produced the lowest \u0394<jats:italic>T<\/jats:italic> values (0.9\u20131.7\u00b0C). No significant differences were found among composites.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Short 1\u2010 to 3\u2010s exposures produced acceptable temperature rises, regardless of the composite.<\/jats:p><\/jats:sec><jats:sec><jats:title>Clinical Significance<\/jats:title><jats:p>The energy delivered to the tooth by the LCUs affects the temperature rise inside the pulp. The short 1\u20133\u00a0s exposure times used in this study delivered the least amount of energy and produced a lower temperature rise. However, the RBC may not have received sufficient energy to be adequately photo\u2010cured.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jerd.13022","type":"journal-article","created":{"date-parts":[[2023,2,4]],"date-time":"2023-02-04T10:44:36Z","timestamp":1675507476000},"page":"705-716","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["In\u2010vitro pulpal temperature increases when photo\u2010curing <scp>bulk\u2010fill resin\u2010based<\/scp> composites using laser or light\u2010emitting diode light curing units"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7159-2400","authenticated-orcid":false,"given":"Cristiane","family":"Maucoski","sequence":"first","affiliation":[{"name":"Department of Restorative Dentistry State University of Ponta Grossa  Ponta Grossa Parana Brazil"},{"name":"Department of Dental Clinical Sciences Faculty of Dentistry, Dalhousie University  Halifax Nova Scotia Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6479-1436","authenticated-orcid":false,"given":"Richard Bengt","family":"Price","sequence":"additional","affiliation":[{"name":"Department of Dental Clinical Sciences Faculty of Dentistry, Dalhousie University  Halifax Nova Scotia Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3328-7365","authenticated-orcid":false,"given":"Braden","family":"Sullivan","sequence":"additional","affiliation":[{"name":"Department of Dental Clinical Sciences Faculty of Dentistry, Dalhousie University  Halifax Nova Scotia Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2764-0748","authenticated-orcid":false,"given":"Juliana Anany Gonzales","family":"Guarneri","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry State University of Ponta Grossa  Ponta Grossa Parana Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1283-1963","authenticated-orcid":false,"given":"Bruno","family":"Gusso","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry State University of Ponta Grossa  Ponta Grossa Parana Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3432-5009","authenticated-orcid":false,"given":"Cesar Augusto Galv\u00e3o","family":"Arrais","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry State University of Ponta Grossa  Ponta Grossa Parana Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,2,4]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.bdj.2017.214"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1590\/1807-3107bor-2019.vol33.0089"},{"issue":"2","key":"e_1_2_8_4_1","first-page":"95","article-title":"Bulk\u2010fill composites: a review of the current literature","volume":"19","author":"Van Ende A","year":"2017","journal-title":"J Adhes Dent"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-018-2429-7"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41432-022-0264-9"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.3390\/polym12081786"},{"issue":"4","key":"e_1_2_8_8_1","first-page":"234","article-title":"Heat generated during light\u2010curing of restorative composites: effect of curing light, exotherm, and experiment substrate","volume":"29","author":"Balestrino A","year":"2016","journal-title":"Am J Dent"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1590\/1807-3107bor-2017.vol31.0061"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.4012\/dmj.2020-305"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-016-1962-5"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.2341\/09-234-L"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1080\/26415275.2021.1979981"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.3390\/polym13132165"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dental.2017.07.021"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dental.2017.07.007"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/0030-4220(65)90015-0"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dental.2021.02.013"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jdent.2022.104141"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/eos.12742"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10103-018-2651-1"},{"key":"e_1_2_8_22_1","unstructured":"AMD.Monet laser curing light. 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