[Aestetic dental treatment in present socio-economic conditions and its influence on the oral hygiene and self--esteem of patients based on the survey and clinical research].

Introduction: The 20th century was an era of development in modern dentistry, a time of research on materials and techniques, which led to the establishment of a new field - aesthetic dentistry. The aim of this research was to gain knowledge on the relation between aesthetic dental treatment, oral cavity hygiene and patients' self-esteem in present socio-economic conditions.

Material And Methods: The research was based on the examination of 50 patients (32 women and 18 men) aged 18-63 with aesthetic dental problems.

[Effect of 10-15% carbamide peroxide on enamel fluoride concentration in vital bleached teeth].

The objective of the study was to evaluate the concentration of fluoride in human enamel before and after bleaching using 10-15% carbamide peroxide and after application of the fluoride varnish. Microsamples of enamel were collected using acid biopsy and the concentration of fluoride in the superficial and underlying layer was assayed. No significant differences were observed in the concentration of fluoride in both layers of enamel before and after bleaching as well as after varnish application.