INTRODUCTION We compared the results of our computer simulation studies of Z-plasties of different design to those of earlier studies, such as laboratory studies in dogs. MATERIAL AND METHODS The contours of single Z-plasties of different designs on flat surfaces were transferred to finite element analytical software (ADINA version 8.7). RESULTS The lengthening effect was almost proportiona...

Pterygium is an abnormal overgrowth of the conjunctiva onto the cornea. Surgical management is the choice of treatment when persistent discomfort, visual distortion, and restricted ocular motility bothers patient’s life.1 Although an easy procedure, the main problem with the surgical excision of the pterygium is the recurrence rate, which can be as high as 30 to 82% (1-3). Recurrence is usually...

purpose: to evaluate the outcomes of surgery for cicatricial ectropion in labbafinejad hospital, tehran, iran. methods: this existing data study was conducted on the hospital records of 84 patients who underwent eyelid surgery because of cicatricial ectropion. results: z-plasty was the most frequent method among 9 techniques. of 92 eyelids, 60 (65%) were completely corrected. the most frequent ...

The frenum is a mucous membrane fold that attaches the lip and the cheek to the alveolar mucosa, the gingiva, and the underlying periosteum. The frena may jeopardize the gingival health when they are attached too closely to the gingival margin, either due to an interference in the plaque control or due to a muscle pull. In addition to this, the maxillary frenum may present aesthetic problems or...