Forschungsbericht für das Jahr 1900-2019


Wissenschaftliche Projekte und Forschungsvorhaben


    Vergleichende Untersuchung dreier Bleichtechniken

Wissenschaftliche Publikationen

Originalarbeiten in wissenschaftlichen Fachzeitschriften:
  • Jerg A, Schulz SD, Tomakidi P, Hellwig E, Polydorou O: Modulation of gingival cell response towards dental composites. Dent Mater, 2018; 34 (3): 412-426. : http://dx.doi.org/10.1016/j.dental.2017.11.025
  • Polydorou O, Scheitza S, Spraul M, Vach K, Hellwig E: The effect of long-term use of tooth bleaching products on the human enamel surface. Odontology, 2018; 106 (1): 64-72. : http://dx.doi.org/10.1007/s10266-017-0308-3
  • Ehrenmann M, Tomakidi P, Hellwig E, Schulz SD, Polydorou O: Effects of low-dose Bisphenol A on calcium ion influx and on genes of proliferation and differentiation in immortalized human gingival cells in vitro: The role of estrogen receptor beta. Dent Mater, 2017; 33 (9): 1021-1032. : http://dx.doi.org/10.1016/j.dental.2017.06.011
  • Boch T, Tennert C, Vach K, Al-Ahmad A, Hellwig E, Polydorou O: Effect of gaseous ozone on Enterococcus faecalis biofilm-an in vitro study. Clin Oral Invest, 2016; 20 (7): 1733-1739. : http://dx.doi.org/10.1007/s00784-015-1667-1
  • Schuster L, Reichl FX, Rothmund L, He X, Yang Y, Van Landuyt KL, Kehe K, Polydorou O, Hickel R, Hogg C: Effect of Opalescence((R)) bleaching gels on the elution of bulk-fill composite components. Dent Mater, 2016; 32 (2): 127-135. : http://dx.doi.org/10.1016/j.dental.2015.11.033
  • Tennert C, Fischer GF, Vach K, Woelber JP, Hellwig E, Polydorou O: A temporary filling material during endodontic treatment may cause tooth fractures in two-surface class II cavities in vitro. Clin Oral Invest, 2016; 20 (3): 615-620. : http://dx.doi.org/10.1007/s00784-015-1543-z
  • Petropoulou A, Vrochari AD, Hellwig E, Stampf S, Polydorou O: Water sorption and water solubility of self-etching and self-adhesive resin cements. J Prosthet Dent, 2015; 114 (5): 674-679. : http://dx.doi.org/10.1016/j.prosdent.2015.06.002
  • Schulz SD, Laquai T, Kümmerer K, Bolek R, Mersch-Sundermann V, Polydorou O: Elution of Monomers from Provisional Composite Materials Int J Polym Sci, 2015; 2015 (online): 617407. : http://dx.doi.org/10.1155/2015/617407
  • Schulz SD, Ruppell C, Tomakidi P, Steinberg T, Reichl FX, Hellwig E, Polydorou O: Gene expression analysis of conventional and interactive human gingival cell systems exposed to dental composites. Dent Mater, 2015; 31 (11): 1321-1334. : http://dx.doi.org/10.1016/j.dental.2015.08.157
  • Tchorz JP, Brandl M, Ganter PA, Karygianni L, Polydorou O, Vach K, Hellwig E, Altenburger MJ: Pre-clinical endodontic training with artificial instead of extracted human teeth: does the type of exercise have an influence on clinical endodontic outcomes? Int Endod J, 2015; 48 (9): 888-893. : http://dx.doi.org/10.1111/iej.12385
  • Tennert C, Eismann M, Goetz F, Woelber JP, Hellwig E, Polydorou O: A temporary filling material used for coronal sealing during endodontic treatment may cause tooth fractures in large Class II cavities in vitro. Int Endod J, 2015; 48 (1): 84-88. : http://dx.doi.org/10.1111/iej.12280
  • Hahn P, Schondelmaier N, Wolkewitz M, Altenburger MJ, Polydorou O: Efficacy of tooth bleaching with and without light activation and its effect on the pulp temperature: an in vitro study. Odontology, 2013; 101 (1): 67-74. : http://dx.doi.org/10.1007/s10266-012-0063-4
  • Polydorou O, Rogatti P, Bolek R, Wolkewitz M, Kummerer K, Hellwig E: Elution of monomers from three different bonding systems and their antibacterial effect. Odontology, 2013; 101 (2): 170-176. : http://dx.doi.org/10.1007/s10266-012-0071-4
  • Polydorou O, Wirsching M, Wokewitz M, Hahn P: Three-month evaluation of vital tooth bleaching using light units-a randomized clinical study. Oper Dent, 2013; 38 (1): 21-32. : http://dx.doi.org/10.2341/12-041-C
  • Polydorou O, Halili A, Wittmer A, Pelz K, Hahn P: The antibacterial effect of gas ozone after 2 months of in vitro evaluation. Clin Oral Invest, 2012; 16 (2): 545-550. : http://dx.doi.org/10.1007/s00784-011-0524-0
  • Polydorou O, Huberty C, Wolkewitz M, Bolek R, Hellwig E, Kummerer K: The effect of storage medium on the elution of monomers from composite materials. J Biomed Mater Res B, 2012; 100 (1): 68-74. : http://dx.doi.org/10.1002/jbm.b.31923
  • Schulz SD, Konig A, Steinberg T, Tomakidi P, Hellwig E, Polydorou O: Human gingival keratinocyte response to substances eluted from Silorane composite material reveal impact on cell behavior reflected by RNA levels and induction of apoptosis. Dent Mater, 2012; 28 (8): e135-e142. : http://dx.doi.org/10.1016/j.dental.2012.04.018
  • Polydorou O, Konig A, Altenburger MJ, Wolkewitz M, Hellwig E, Kummerer K: Release of monomers from four different composite materials after halogen and LED curing. Am J Dent, 2011; 24 (5): 315-321.
  • Hellwig E, Polydorou O, Lussi A, Kielbassa AM, Altenburger MJ: The influence of saliva on the dissolution of calcium fluoride after application of different fluoride gels in vitro. Quintessence Int, 2010; 41 (9): 773-777.
  • Polydorou O, Beiter J, Konig A, Hellwig E, Kummerer K: Effect of bleaching on the elution of monomers from modern dental composite materials. Dent Mater, 2009; 25 (2): 254-260. : http://dx.doi.org/10.1016/j.dental.2008.07.004
  • Polydorou O, Hammad M, Konig A, Hellwig E, Kummerer K: Release of monomers from different core build-up materials. Dent Mater, 2009; 25 (9): 1090-1095. : http://dx.doi.org/10.1016/j.dental.2009.02.014
  • Polydorou O, Konig A, Hellwig E, Kummerer K: Long-term release of monomers from modern dental-composite materials. Eur J Oral Sci, 2009; 117 (1): 68-75. : http://dx.doi.org/10.1111/j.1600-0722.2008.00594.x
  • Polydorou O, Konig A, Hellwig E, Kummerer K: Uthethane dimethacrylate: a molecule that may cause confusion in dental research. J Biomed Mater Res B, 2009; 91 (1): 1-4. : http://dx.doi.org/10.1002/jbm.b.31383
  • Polydorou O, Hellwig E, Hahn P: The efficacy of three different in-office bleaching systems and their effect on enamel microhardness. Oper Dent, 2008; 33 (5): 579-586.
  • Polydorou O, Manolakis A, Hellwig E, Hahn P: Evaluation of the curing depth of two translucent composite materials using a halogen and two LED curing units. Clin Oral Invest, 2008; 12 (1): 45-51.
  • Polydorou O, Hellwig E, Auschill TM: The effect of at-home bleaching on the microhardness of six esthetic restorative materials. J Am Dent Assoc, 2007; 138 (7): 978-984.
  • Polydorou O, Schulte-Mönting JS, Hellwig E, Auschill TM: Effect of in-office tooth bleaching on the microhardness of six dental esthetic restorative materials. Dent Mater, 2007; 23 (2): 153-158.
  • Polydorou O, Trittler R, Hellwig E, Kummerer K: Elution of monomers from two conventional dental composite materials. Dent Mater, 2007; 23 (12): 1535-1541.
  • Polydorou O, Hellwig E, Auschill TM: The Effect of Different Bleaching Agents on the Surface Texture of Restorative Materials Oper Dent, 2006; 31 (4): 473-480.
  • Polydorou O, Pelz K, Hahn P: Antibacterial effect of an ozone device and its comparison with two dentin-bonding systems. Eur J Oral Sci, 2006; 114 (4): 349-353.
Buchbeiträge:
  • Hahn P, Polydorou O: Ozon in der Zahnmedizin. In: D. Heidemann (Hrsg.): Deutscher Zahnärztekalender. Köln: Deutscher Zahnärzteverlag, 2007.
Fallbeispiele:
  • Auschill TM, Polydorou O: Können Zähne mit obliteriertem Pulpahohlraum langfristig erfolgreich aufgehellt werden? Zwei Fallbereichte. Quintessenz, 2006; 27 (2): 129-136.
Vorträge:
  • Polydorou O, Könnig A, Kümmerer K, Hellwig E: Langzeituntersuchung zur Freisetzung von Monomeren aus modernen Kompositmaterialien. 2007 (Deutscher Zahnärztetag, 131. Jahrestagung der DGZMK, 22.11. - 24.11.2007, Düsseldorf).
  • Polydorou O, Könnig A, Kümmerer K, Hellwig E: Release of monomers from modern composite materials. 2007 (Panhellenic Congress, 30.11.-02.12.2007, Patras, Griechenland).
  • Polydorou O, Pelz K, Wittmer A, Hahn P: Antibakterielle Wirkung von HealOzone im Vergleich mit zwei Haftvermittlern. 2006 (38. Jahrestagung der AfG. 12.01.-13.01.2006, Mainz).
  • Polydorou O, Pelz K, Wittmer A, Hahn P: Antibakterielle Wirkung von zwei Haftvermittlern. 2006 (20. Jahrestagung der DGZ. 11.05.-13.05.2006, Mainz).
  • Polydorou O, Pelz K, Wittmer A, Hahn P: Antibacterial activity of two different bonding systems. 2006 (Panhellenic Congress, 02.11.-05.11.2006, Athen, Griechenland).
  • Polydorou O, Trittler R, Kümmerer K, Hellwig E: Elution of monomers from composite resins. 2006 (Panhellenic Congress, 02.11.-05.11.2006, Athen, Griechenland).
  • Auschill TM, Polydorou O, Hellwig E: Surface alterations of tooth colored restoratives after bleaching. 2004 (82nd IADR/AADR/CADR. 10.03.-13.03.2004, Honolulu, Hawaii).
  • Polydorou O, Auschill TM, Arweiler N, Hellwig E: Der Einfluss von Bleichmitteln auf die Mikrohärte von Kompositen. 2004 (DGZ, 10.06.-12.06.2004, Wuppertal).
  • Polydorou O, Auschill TM, Douvitsas G, Paximada H, Hellwig E: Bleaching of teeth without detectable pulp chamber and root canal. 2004 (4th World IFED Congress, hosted by the EAED (4th EAED-IFED). 27.05.-29.05.2004, Venice, Italy).
  • Polydorou O, Auschill TM, Hellwig E: The effect of bleaching on the microhardness of composite resins 2004 (24th Panhellenic Dental Congress.29.10.-31.10.2004, Thessaloniki, Greece).
  • Polydorou O, Auschill TM, Hellwig E: The effect of bleaching on the surface texture of six different dental aestehtic restorative materials. 2004 (24th Panhellenic Dental Congress.29.10.-31.10.2004, Thessaloniki, Greece).
  • Polydorou O, Manolakis A, Hahn P: Comparison of three polymerization units: a halogen and two LEDs. 2004 (24th Panhellenic Dental Congress.29.10.-31.10.2004, Thessaloniki, Greece).
Konferenzbeiträge:
  • Polydorou O, Schulz S, Steinberg T, Tomakidi P, Hellwig E: The effect of composite resins on gingival keratinocytes. J Dent Res, 2010 (89) Suppl. B (IADR General Session,14.07.-17.07.2010, Barcelona, Spanien), Sage (Hrsg). : http://iadr.confex.com/iadr/2010barce/webprogram/Paper136428.html
  • Wölber JP, Silbernagel W, Fabry G, Hahn P, Polydorou O, Hellwig E: Einsatz von Simulationspatienten zur Verbesserung der Zahnarzt-Patienten-Kommunikation. 2010 (2. Jahrestagung des Arbeitskreises für die Weiterentwicklung der Lehre in der Zahnmedizin. 25.06.-26.06.2010, Hannover).
  • Polydorou O, Könnig A, Kümmerer K, Hellwig E: UDMA - Verwirrung in Dentalforschung. 2008 (Jahrestagung der AfG. 10.01. - 11.01.2008, Mainz, Deutschland).
  • Polydorou O, Könnig A, Kümmerer K, Hellwig E: Monomers’ release from composite materials after halogen and LED curing. 2008 (IADR Pan European Federation Meeting. 10.09. - 12.09.2008, London, England).
  • Polydorou O, Könnig A, Kümmerer K, Hellwig E: Release of Monomers from different core build-up materials. 2008 (Annual Conference of the Academy of Dental Materials. 02.10. - 04.10.2009, Würzburg).
  • Polydorou O, Halili A, Pelz K, Hahn P: Evaluation of the long term antimicrobial effect of ozone. J Dent Res, 2007; 86 (SIB): #006 (42nd annual meeting of the CED and ID of the IADR, 26.09. - 29.09.2007, Thessaloniki, Griechenland). : http://iadr.confex.com/iadr/israel07/techprogram/abstract_96890.htm
  • Polydorou O, Hellwig E, Hahn P: The Efficacy of Three Different Bleaching Systems. J Dent Res, 2007; 86 (SIA): #0451 (85th General Session of the IADR, 21.03.-24.03.2007, New Orleans, USA).
  • Polydorou O, Pelz K, Wittmer A, Hahn P: Antibacterial effect of HealOzone and comparison with two bonding systems. J Dent Res, 2006; 85 (B) Suppl. auf CD (84th General Session and Exhibition of the IADR. 28.06.-01.07.2006, Brisbane, Australia), IADR (Hrsg).
  • Polydorou O, Trittler R, Kümmerer K, Hellwig E: Elution of monomers from two conventional dental composite materials. J Dent Res, 2006; 86 (B) Suppl. #749: 131 (IADR Pan European Federation Meeeting.13.09.-16.09.2006, Dublin, Ireland).
  • Manolakis A, Polydorou O, Hahn P: Comparison of three composite resins using two LED polymerization units. J Dent Res, 2004; 83 (A): #0285 (Joint Meeting of the Continental European Division, Scandinavian Division and Israeli Division of the IADR. 25.08.-28.08.2004, Istanbul, Türkei).
  • Polydorou O, Manolakis A, , Hahn P: Comparison of a halogen and two LED polymerization units. J Dent Res, 2004; 83 (A): #0286 (Joint Meeting of the Continental European Division, Scandinavian Division and Israeli Division of the IADR. 25.08.-28.08.2004, Istanbul, Türkei).