purpose : to report a case of bilateral dense ring-shaped marginal keratitis after photorefractive keratectomy (prk) case report : a 44-year-old man developed bilateral dense ring-shaped marginal keratitis after prk. the patient had moderate to severe meibomian gland dysfunction preoperatively that was treated incompletely. he was treated with mild topical antibiotics, topical and systemic ster...

objective:  to assess whether non-surgical periodontal treatment is associated with changes in serological markers of systemic inflammation. materials and methods: thirty-five systemically healthy subjects with severe generalized periodontitis meeting the inclusion criteria participated in a four-month single blind interventional trial of which thirty-two completed the study. periodontal parame...