Sandra Willemstein completed the HBO education Oral Hygiene at the ACTA in Amsterdam, where she graduated in 1999. Since November 2013, Sandra has been associated with Van de Veer Tandartsen on the Zuidas as a dental hygienist.
Joanne Dielingen attended the Dental Hygiene training at the ACTA in Amsterdam. In September 2013 she completed this training and obtained her Bachelor in Dental Hygiene. During her studies she did an internship as a dental assistant at Van de Veer dentists. Ever since her graduation she has been happily working as a dental hygienist.