BACKGROUND Plaster ingestion forming gastric bezoar is a strange way to attempt suicide and this method has not yet been reported. It may lead to a mechanical obstruction of the gut, especially the pyloric region, and could manifest with abdominal pain, epigastric distress, nausea, vomiting, and fullness. CASE PRESENTATION Herein we report a case of a 37 year-old woman presenting with plaster...

lupus vulgaris by pyrogallol ointment, acid nitrate of mercury, alkaline phenol and salicylic acid-creosote plaster. According to him the salicylic acid and creosote plaster acted well in some cases, but was slow. He, however, did not describe the variety of lupus vulgaris that responds best to this plaster. During the last few years we have tried various caustics in treating different kinds of...

Methods Lyon braces are designed as Abbott plaster casts. Using a study on plaster cast, and 3D analysis, (called « is Abbot cast still relevant today? » by Dr. Jean Claude Bernard, from the Massues center in Lyon, presented at the SOSORT 2011), we decided to modify a Lyon brace. If a plaster cast is modified, in order to improve sagittal plane by inverting band, and so having antero lateral pu...

420 Introduction Going back to the starting point of the development, the following question arises: What are the desirable parameters of stabilized outdoor earthen plaster? To be able to reply to this question, we must first define onto what surfaces the plaster will be applied. Modern earthen structures built in our climatic zone must be fitted with thermal insulation and treated as compositi...

The objective of this study was to assess the feasibility of virtual models as an alternative to orthodontic plaster models. Virtual dental models (obtained from OrthoCAD) and corresponding plaster models of 80 patients in the permanent dentition were randomly selected from patients seeking orthodontic care. Inter-examiner error was assessed by measuring tooth width, overjet, overbite, intermol...

Paris (CaS04)2H20. Excessive heat convey it into anhydrous calcium sulphate CaB^< which takes up water very slowly and does D?. harden and set. 2CaS04.2H20 = (CaSW 2H20+3H20. (CaS04)2H20 = 2CaS 04H2U, Commercial plaster of Paris is manufacture from impure gypsum and therefore contains tn impurities present in the gypsum such as alum10^ iron, silicates, carbonates, lime, etc., which be recognize...