Dr. C.M.L. Bollen

Curd Bollens has been more than 20 years involved in mouth odor research and clinic and is therefore a Key Opinion Leader in Europe. He received his education and training in the mid 90s by prof. Dr. Daniel van Steenberghe in Leuven (Belgium).
van Steenberghe was one of the first European physicians who realized the importance of this issue, analyzed and mapped it.
Afterwards, Dr. Bollen became consultant for mouth odor at the universities of Liege (Belgium) and Bonn (Germany). From 2010 to 2012 he was a clinical assistant professor at the University of Dusseldorf (Germany) with halitosis as his research topic.

dr. Curd Bollen

Due this years of experience he has a well-trained nose and he is also skilled in the management of patients with halitofobie.
He presents at home and abroad, lectures and workshops on this theme.


Dr. Bollen published several articles on halitosis:

Bollen CML. Mondgeur onderschat?
> Tijdschrift voor Farmacie 2015.

Bollen CML & Beikler T. Halitosis: the multi-disciplinary approach.
Int J Oral Sci. 2012; 4: 55-63.

Bollen C. Halitosespreekuur.
> Dentist News NL 2003; 24: 5-8.

Bollen C. Consultation sur l’halitose.
> Dentist News F 2003; 24: 5-8.

Bollen CM, Rompen EH, Demanez JP. Halitosis: a multidisciplinary problem.
> Rev Med Liege. 1999; 54: 32-36. [French]

Delanghe G, Bollen C, Desloovere C. Halitosis–foetor ex ore.
> Laryngorhinootologie. 1999; 78: 521-524. [German]

Delanghe G, Ghyselen J, Bollen C, van Steenberghe D, Vandekerckhove BN, Feenstra L. An inventory of patients’ response to treatment at a multidisciplinary breath odor clinic.
> Quintessence Int. 1999; 30: 307-310.

Quirynen M, Van Eldere J, Pauwels M, Bollen CM, van Steenberghe D. In vitro volatile sulfur compound production of oral bacteria in different culture media.
> Quintessence Int. 1999; 30: 351-356.

Delanghe G, Bollen C, van Steenberghe D, Feenstra L. Halitosis, foetor ex ore.
> Ned Tijdschr Tandheelkd. 1998; 105: 314-3177. [Dutch]

Bollen CML, Feenstra L, Ghyselen J, van Steenberghe D. Diagnostic et traitement de l’halitose d’origine buccale en médcine dentaire.
> Dentiforum 1997; 26: 1-3.

Bollen CML, Feenstra L, Ghyselen J, van Steenberghe D. Diagnose en behandeling van mondgeur in de huistandartspraktijk.
> Dentiforum NL 1997; 26: 1-3.

Bollen CML. Troisieme congres international sur l’halitose.
> Dentist News F 1997; 18: 7-10.

Bollen CML. Derde international congress over halitose.
> Dentist News F 1997; 18: 7-10.


Vandekerckhove B, Bollen C. Epidemiologie bij de algemene bevolking, bijzondere bevolkingsgroepen en bij een multidisciplinair halitosespreekuur.
> van Steenberghe D (ed): Ademgeur. Prelum uitgevers, Houten 2009; pp. 3-10.

In addition, there appeared several articles of his hand in national and regional newspapers.