{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T21:07:20Z","timestamp":1774645640968,"version":"3.50.1"},"reference-count":36,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2019,5,11]],"date-time":"2019-05-11T00:00:00Z","timestamp":1557532800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>The purpose of this study was to compare the linear polymerization shrinkage of different restorative resin-based composites (RBCs) using fiber Bragg grating (FBG) sensors. Five RBCs were evaluated: Zirconfill\u00ae (ZFL); Aura Bulk-Fill (ABF); Tetric\u00ae N-Ceram Bulk-Fill (TBF); FiltekTM Bulk-Fill (FBF); and Admira Fusion-Ormocer\u00ae (ADF). Ten samples per resin were produced in standardized custom-made half-gutter silicone molds. Two optical FBG sensors were used to assess temperature and polymerization shrinkage. Light curing was performed for 40 s and polymerization shrinkage was evaluated at 5, 10, 40, 60, 150, and 300 s. Statistical analysis was accomplished for normal distribution (Shapiro-Wilk, p &gt; 0.05). Two-way repeated measures ANOVA with Greenhouse-Geisser correction followed by Bonferroni\u2032s post-hoc test was used to analyze the linear shrinkage data (p &lt; 0.05). ZFL showed the highest linear shrinkage and ADF the lowest. Shrinkage increased for all RBCs until 300 s, where significant differences were found between ADF and all other resins (p &lt; 0.05). Among bulk-fill RBCs, TBF showed the lowest shrinkage value, but not statistically different from FBF. The ADF presented lower linear shrinkage than all other RBCs, and restorative bulk-fill composites exhibited an intermediate behavior.<\/jats:p>","DOI":"10.3390\/polym11050859","type":"journal-article","created":{"date-parts":[[2019,5,13]],"date-time":"2019-05-13T05:35:39Z","timestamp":1557725739000},"page":"859","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Polymerization Shrinkage Evaluation of Restorative Resin-Based Composites Using Fiber Bragg Grating Sensors"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8224-6578","authenticated-orcid":false,"given":"Rodrigo","family":"Lins","sequence":"first","affiliation":[{"name":"Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, Av. Limeira, 901, Arei\u00e3o, Piracicaba\u2013SP 13414-903, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6929-3807","authenticated-orcid":false,"given":"Alexandra","family":"Vinagre","sequence":"additional","affiliation":[{"name":"Institute of Operative Dentistry, Dentistry Area, Faculty of Medicine, University of Coimbra, Avenida Bissaya Barreto, Blocos de Celas, 3700-075 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8176-7953","authenticated-orcid":false,"given":"N\u00e9lia","family":"Alberto","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9958-0409","authenticated-orcid":false,"given":"Maria F.","family":"Domingues","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4019-9379","authenticated-orcid":false,"given":"Ana","family":"Messias","sequence":"additional","affiliation":[{"name":"Institute of Operative Dentistry, Dentistry Area, Faculty of Medicine, University of Coimbra, Avenida Bissaya Barreto, Blocos de Celas, 3700-075 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6376-4540","authenticated-orcid":false,"given":"Lu\u00eds R.","family":"Martins","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, Av. Limeira, 901, Arei\u00e3o, Piracicaba\u2013SP 13414-903, Brazil"}]},{"given":"Rog\u00e9rio","family":"Nogueira","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Campus Universit\u00e1rio de Santiago, 3810-193 Aveiro, Portugal"}]},{"given":"Jo\u00e3o C.","family":"Ramos","sequence":"additional","affiliation":[{"name":"Institute of Operative Dentistry, Dentistry Area, Faculty of Medicine, University of Coimbra, Avenida Bissaya Barreto, Blocos de Celas, 3700-075 Coimbra, Portugal"},{"name":"Instituto Portugu\u00eas de Medicina Dent\u00e1ria, Rua Jos\u00e9 Luciano Castro, 141, Esgueira, 3800-207 Aveiro, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2019,5,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"139","DOI":"10.1016\/j.dental.2012.11.005","article-title":"Progress in dimethacrylate-based dental composite technology and curing efficiency","volume":"29","author":"Leprince","year":"2013","journal-title":"Dent. Mater."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"430","DOI":"10.1016\/j.jdent.2015.02.002","article-title":"Polymerization shrinkage, modulus, and shrinkage stress related to tooth-restoration interfacial debonding in bulk-fill composites","volume":"43","author":"Kim","year":"2015","journal-title":"J. Dent."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1155","DOI":"10.1007\/s11340-010-9410-y","article-title":"Simultaneous Measurement of Effective Chemical Shrinkage and Modulus Evolutions During Polymerization","volume":"51","author":"Wang","year":"2011","journal-title":"Exp. Mech."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"1144","DOI":"10.1016\/j.dental.2010.08.003","article-title":"Polymerization stress, shrinkage and elastic modulus of current low-shrinkage restorative composites","volume":"26","author":"Boaro","year":"2010","journal-title":"Dent. Mater."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"268","DOI":"10.1016\/j.jmbbm.2018.03.019","article-title":"Polymerization shrinkage stress of resin-based dental materials: A systematic review and meta-analyses of composition strategies","volume":"82","author":"Meereis","year":"2018","journal-title":"J. Mech. Behav. Biomed. Mater."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"1836","DOI":"10.1016\/j.dental.2018.10.003","article-title":"Effect of pulse width modulation-controlled LED light on the polymerization of dental composites","volume":"34","author":"Lee","year":"2018","journal-title":"Dent. Mater."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.dental.2015.06.020","article-title":"Polymerization stress\u2014Is it clinically meaningful?","volume":"32","author":"Ferracane","year":"2016","journal-title":"Dent. Mater."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"801","DOI":"10.1016\/j.dental.2012.04.028","article-title":"Effect of layering methods, composite type, and flowable liner on the polymerization shrinkage stress of light cured composites","volume":"28","author":"Kwon","year":"2012","journal-title":"Dent. Mater."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1016\/j.dental.2014.12.010","article-title":"Bulk-fill resin composites: Polymerization properties and extended light curing","volume":"31","author":"Zorzin","year":"2015","journal-title":"Dent. Mater."},{"key":"ref_10","first-page":"95","article-title":"Bulk-Fill Composites: A Review of the Current Literature","volume":"19","author":"Lise","year":"2017","journal-title":"J. Adhes. Dent."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"172","DOI":"10.2341\/13-307-L","article-title":"Polymerization shrinkage and depth of cure of bulk-fill resin composites and highly filled flowable resin","volume":"40","author":"Jang","year":"2015","journal-title":"Oper. Dent."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"e165","DOI":"10.1016\/j.dental.2016.12.012","article-title":"Strain development in bulk-filled cavities of different depths characterized using a non-destructive acoustic emission approach","volume":"33","author":"Lise","year":"2017","journal-title":"Dent. Mater."},{"key":"ref_13","doi-asserted-by":"crossref","unstructured":"Veloso, S.R.M., Lemos, C.A.A., de Moraes, S.L.D., do Egito Vasconcelos, B.C., Pellizzer, E.P., and de Melo Monteiro, G.Q. (2018). Clinical performance of bulk-fill and conventional resin composite restorations in posterior teeth: A systematic review and meta-analysis. Clin. Oral Investig.","DOI":"10.1007\/s00784-018-2429-7"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"851","DOI":"10.1016\/j.dental.2007.10.004","article-title":"Sol-gel materials 2. Light-curing dental composites based on ormocers of cross-linking alkoxysilane methacrylates and further nano-components","volume":"24","author":"Moszner","year":"2008","journal-title":"Dent. Mater."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"e212","DOI":"10.1016\/j.dental.2017.01.019","article-title":"Survival of directly placed ormocer-based restorative materials: A systematic review and meta-analysis of clinical trials","volume":"33","author":"Monsarrat","year":"2017","journal-title":"Dent. Mater."},{"key":"ref_16","doi-asserted-by":"crossref","unstructured":"Taubock, T.T., Jager, F., and Attin, T. (2018). Polymerization shrinkage and shrinkage force kinetics of high- and low-viscosity dimethacrylate- and ormocer-based bulk-fill resin composites. Odontology.","DOI":"10.1007\/s10266-018-0369-y"},{"key":"ref_17","doi-asserted-by":"crossref","unstructured":"Klauer, E., Belli, R., Petschelt, A., and Lohbauer, U. (2018). Mechanical and hydrolytic degradation of an Ormocer(R)-based Bis-GMA-free resin composite. Clin. Oral Investig.","DOI":"10.1007\/s00784-018-2651-3"},{"key":"ref_18","doi-asserted-by":"crossref","unstructured":"Tavares, C., Domingues, M.F., Frizera-Neto, A., Leite, T., Leitao, C., Alberto, N., Marques, C., Radwan, A., Rocon, E., and Andre, P. (2018). Gait Shear and Plantar Pressure Monitoring: A Non-Invasive OFS Based Solution for e-Health Architectures. Sensors, 18.","DOI":"10.3390\/s18051334"},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"7134283","DOI":"10.1155\/2016\/7134283","article-title":"Cuspal Displacement Induced by Bulk Fill Resin Composite Polymerization: Biomechanical Evaluation Using Fiber Bragg Grating Sensors","volume":"2016","author":"Vinagre","year":"2016","journal-title":"Int. J. Biomater."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"1113","DOI":"10.1016\/j.dental.2016.06.015","article-title":"Evaluation of the physical properties of dental resin composites using optical fiber sensing technology","volume":"32","author":"Rajan","year":"2016","journal-title":"Dent. Mater."},{"key":"ref_21","unstructured":"Othonos, A., and Kali, K. (1999). Fiber Bragg Gratings\u2014Fundamentals and Applications in Telecommunications and Sensing, Artech House."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"962","DOI":"10.1016\/j.dental.2005.04.018","article-title":"Factors involved in the development of polymerization shrinkage stress in resin-composites: a systematic review","volume":"21","author":"Braga","year":"2005","journal-title":"Dent. Mater."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"402","DOI":"10.1177\/0022034510381263","article-title":"Recent advances and developments in composite dental restorative materials","volume":"90","author":"Cramer","year":"2011","journal-title":"J. Dent. Res."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"704","DOI":"10.1016\/j.dental.2010.03.015","article-title":"Contraction stress related to composite inorganic content","volume":"26","author":"Goncalves","year":"2010","journal-title":"Dent. Mater."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"520","DOI":"10.1016\/j.dental.2011.01.007","article-title":"BisGMA\/TEGDMA ratio and filler content effects on shrinkage stress","volume":"27","author":"Goncalves","year":"2011","journal-title":"Dent. Mater."},{"key":"ref_26","unstructured":"Zirconfill\u00ae Zirconfill Technical Specification, Technew."},{"key":"ref_27","unstructured":"Carletti, T., Ara\u00fajo, I., Zanini, M., Guarda, M., Lima, I., Consani, S., Rontani, R., and Correr, A. Microhardness Analysis of Different Composites After Chemical Degradation (Abstract). Proceedings of the XXIV Dental Meeting of Piracicaba IX International Dental Meeting, Unicamp, Campinas, Brazil."},{"key":"ref_28","unstructured":"Guarda, M., Correr, A., Nima, G., Ara\u00fajo, I., Lima, I., Zanini, M., Rontani, R., and Consani, S. Restorative Composite With Diatomite Fillers: Evaluation Of Mechanical Properties In Proceedings of XXIV Dental Meeting of Piracicaba IX International Dental Meeting, Unicamp, Campinas, Brazil, 2017."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"375","DOI":"10.2341\/16-254-L","article-title":"Comparison of Polymerization Shrinkage, Physical Properties, and Marginal Adaptation of Flowable and Restorative Bulk Fill Resin-Based Composites","volume":"42","author":"Jung","year":"2017","journal-title":"Oper. Dent."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"82","DOI":"10.2341\/16-027-L","article-title":"Degree of Conversion and Polymerization Shrinkage of Bulk-Fill Resin-Based Composites","volume":"42","author":"Yu","year":"2017","journal-title":"Oper. Dent."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"374","DOI":"10.2341\/13-017-L","article-title":"Polymerization shrinkage stress kinetics and related properties of bulk-fill resin composites","volume":"39","author":"Platt","year":"2014","journal-title":"Oper. Dent."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"E57","DOI":"10.2341\/12-378-L","article-title":"Measurement of the internal adaptation of resin composites using micro-CT and its correlation with polymerization shrinkage","volume":"39","author":"Kim","year":"2014","journal-title":"Oper. Dent."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"1586","DOI":"10.1016\/j.dental.2016.09.034","article-title":"Filler characteristics of modern dental resin composites and their influence on physico-mechanical properties","volume":"32","author":"Randolph","year":"2016","journal-title":"Dent. Mater."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"383","DOI":"10.1163\/156856207780425004","article-title":"Measurement of composite shrinkage using a fibre optic Bragg grating sensor","volume":"18","author":"Milczewski","year":"2007","journal-title":"J. Biomater. Sci. Polym. Ed."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"1720","DOI":"10.1016\/j.dental.2008.07.006","article-title":"Evaluation of polymerization shrinkage and hydroscopic expansion of fiber-reinforced biocomposite using optical fiber Bragg grating sensors","volume":"24","author":"Antilla","year":"2008","journal-title":"Dent. Mater."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"700","DOI":"10.4012\/dmj.2011-004","article-title":"Characterization of different water\/powder ratios of dental gypsum using fiber Bragg grating sensors","volume":"30","author":"Alberto","year":"2011","journal-title":"Dent. Mater. J."}],"container-title":["Polymers"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2073-4360\/11\/5\/859\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T12:51:03Z","timestamp":1760187063000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2073-4360\/11\/5\/859"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,5,11]]},"references-count":36,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2019,5]]}},"alternative-id":["polym11050859"],"URL":"https:\/\/doi.org\/10.3390\/polym11050859","relation":{},"ISSN":["2073-4360"],"issn-type":[{"value":"2073-4360","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,5,11]]}}}