background: surgical crown lengthening is needed for teeth with subgingival caries, fractured teeth, insufficient crown length, and deep subgingival margin of failed restorations. since there is no agreement on the effects of crown lengthening surgery on gingival parameters, the purpose of this study was to evaluate periodontal parameters in patients who needed crown lengthening surgery. method...

Background: Varicocele is commonly existed among infertile men and causes testis damage. Disorder of spermatogenesis was observed in varicocele individuals and leads to low quality sperm parameters and chromatin damage. Chromatin damage plays a critical role in pregnancy outcomes through in vitro or in vivo fertilization. Varicocelectomy considered as standard treatment of clinical varicocele. ...

purpose : to evaluate the effects of memantine on improving visual function in patients with acute nonarteritic anterior ischemic optic neuropathy (naion) methods : this was a prospective, double masked, randomized, clinical trial. the study involved 47 subjects with unilateral naion of less than 8 weeks duration. eligible patients were randomly allocated to take either memantine tablets (5 mg ...

in modern pharmacological medicine, saffron is used for various purposes due to its antioxidant effect. this study evaluated retinal function after treatment with saffron supplementation during a follow-up period of 6 months to provide further insight into the efficacy and safety considerations of this treatment. sixty patients with wet or dry age-related macular degeneration (amd) were randoml...