Waal, S.V. van der

+31 20 59 80880
acta ( mondgezondh )
Teacher and post-doc researcher


  • Endodontology

Professional interests

  • Root canal disinfection
  • Biofilms
  • Endodontic regeneration 
  • Apical periodontitis and general health

Professional employment history

Post-doc researcher, ACTA
Teacher master 1 and master 3, ACTA
2009-2015PhD Thesis A new strategy in root canal therapy: there is a lot going on in endodontic disinfection, ACTA
2009-presentPractice limited to endodontics
2006-2009Postgraduate programme Endodontology, ACTA
1991-2006Practitioner in private general dental practice
1991-1998Teacher pedodontic department, ACTA

Selected scientific publications

S.V. van der Waal, L.W.M. van der Sluis, A.R. Özok, J. R.A.M. Exterkate, van Marle, P.R. Wesselink, J.J. de Soet (2011). The effects of hyperosmosis or high pH on a dual-species biofilm of Enterococcus faecalis and Pseudomonas aeruginosa: an in vitro study. International Endodontic Journal 2011; 44: 1110-1117.
S.V. van der Waal, L.W.M. van der Sluis (2012). Potential of calcium to scaffold an endodontic biofilm, thus protecting the micro-organisms from disinfection. Medical Hypotheses 2012; 79(1): 1-4.
S.V. van der Waal, L.M. Jiang, J.J. de Soet, L.W.M. van der Sluis, P.R. Wesselink, W. Crielaard. Sodium chloride and potassium sorbate: a synergistic combination against Enterococcus faecalis biofilms: an in vitro study. European Journal of Oral Sciences 2012; 120: 252-257
S.V. van der Waal, T. Connert, A.M.G.A. Laheij, J.J. de Soet, P.R. Wesselink. Free available chlorine concentration in sodium hypochlorite solutions obtained from dental practices and intended for endodontic irrigation: does the expectation come true? Quintessence International in press.

LIST OF PUBLICATIONS (from 1999 until now)

Ancillary activities

Tandheelkundepraktijk Ouwerling B.V. - Behandelaar Alphen aan den Rijn, 01 juni 2015
Last changes Ancillary activities: Amsterdam 08 februari 2021