TY JOUR TI CHAIRSIDE COLOR SCALES ; LIGHT - CURED COMPOSITES . ADVANTAGES AND DISADVANTAGES KW esthetics KW light-cured composites KW Filtek Z250 KW shade guide JO Actual problems in dentistry AU Golovin, N.S. AU Nurieva, N.S. PY 2013 IS 9 PB TIRAZH Publishing House