نتایج جستجو برای: after extraction
تعداد نتایج: 1804604 فیلتر نتایج به سال:
objectives: this study was designed to assess the changes of the mandible of patients who underwent orthodontic treatment with or without extraction of four premolars. materials and methods: eighteen class i bimaxillary protrusion patients treated with extraction of four first premolars and retraction of anterior teeth and 18 class i non-extraction patients with a mean age of 16.38±0.4 years we...
copper extraction from heap 3 low grade ore at sarchechmeh is limited due to its mixed composition (copper oxide and sulphide minerals). changing this heap to a bioheap could improve the copper recovery.
introduction : preservation of bone volume immediately after tooth removal might be necessary to optimize the success of implant placement. the aim of this study was to compare bone dimensional changes following tooth extraction without bio-oss and with bio-oss and a collagen membrane in the dental socket. materials and methods: in this experimental interventional study, thirty subjects who req...
Abstract Background and Aim: Post extraction Bleeding is a well-known and frequent complication that can continue for 8-12 hours after surgery and if not controlled, it can create a range of complications from a simple hematoma to a large amount of blood loss. Calcium alginate dressing, can result in hemostasis and accelerate healing of tissue. The aim of this study was to determine the effec...
introduction: tea (camellia sinensis), is the most widely beverage after water across the world. the most important chemical composition in tea is phenolic compounds (catechins) that have antioxidant and anticarcinogenic properties and are benefited for cardiovascular disease. there are two major kinds of tea, black tea and green tea. green tea, is originated in china and dates back to several ...
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