... adecrease of the somatosensory input, suffering and painbehaviour may continue and even increase [6].It is generally accepted that quality of life is negativelyaffected by chronic pain [7,8]. ... poor ratings of well-being* Correspondence: g.h.e.tjakkes@kchir.umcg.nl1 Department of Oral and Maxillofacial Surgery, University Medical Center Groningen University of Groningen, Groningen, ... Department of Oral Health Care and Clinical Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, 9700 VB, The Netherlands, 3Research Innovation Group in Health...