00538naa#a2200169#i#450# EN\\bibl\21800 20241103215417.7 2077-7566 20130825b2013####ek#y0engy0150####ca RU THE METHOD OF GINGIVAL RETRACTION IN PATIENTS WITH THIN ALVEOLAR RIDGE AND THIN TISSUES BIOTYPE Journal article Ekaterinburg TIRAZH Publishing House 2013 2 с. Journal article local Griroriev Sergey Sergeevich Efremov N. V. dental-press.ru