Severe root resorption of the upper central incisors as a consequence of playing the flute.

This study presents a case of severe root resorption of the maxillary central incisors in an 18-year-old woman who was referred for orthodontic treatment of irregular dental arches. A detailed history revealed that she used to play the block flute on an everyday basis during childhood. Against all warnings, she continued to firmly press her teeth into the mouthpiece of the instrument.

[Neurophysiological background of pain in the orofacial area: review of the literature].

The article presents an overview on the peripheral and central neural mechanisms underlying pain in the orofacial area. First a definition of pain and a description of general aspects of orofacial pain are presented. Characteristics of acute and chronic pain are also described.

[Model investigation of push-out test used for quantitative evaluation of dental implant osseointegration].

A frequently used method for quantitative evaluation of implant-bone interface strength is the push-out test. The objective of the authors' study was to determine the effect of implants' geometric characteristics on the results of push-out method. The degree of osseointegration is determined by a complicated interaction of mechanical, biological and chemical factors.