the use of immunoglobulin y (igy) instead of polyclonal antibodies prepared in mammals has been reported recently. these antibodies are found to have better properties in terms of specificity and ease of large scale production. in this study, proteins from egg yolk were extracted with acid and chloroform. the result of cellulose acetate electrophoresis at ph 9 showed some extra bands which were...

background and aim: probing is the only reliable method for diagnosing periodontal diseases; however, it is a painful examination. the purpose of this study was evaluation of the effect of emla anesthetic gel on the level of pain upon probing in patients with chronic periodontitis referring to the periodontology department of the dental branch of islamic azad university of tehran during 2013-20...