objectives: in traditional medicine salvia officinalis (sage) has been used as menstrual cycle regulator. in the present study the effects of sage extract on breast tissue were examined. materials and methods: fourteen female rats were divided into two groups: 1) distilled water-treated rats (con) that were gavaged with 1ml distilled water and 2) saliva officinalis hydroalcoholic extract (she)-...

the purpose of this study was to determine the influence of platform switching on stress distribution of two different implant systems using three-dimensional (3d) finite element models.six 3d finite element models were created to replicate two different implant systems with peri-implant bone tissue, in which six different implant-abutment configurations were represented: model xive-a: 3.8-mm-d...

introduction : achieving successful anesthesia and performing pain-free root canal treatment are important aims in dentistry. this is not always achievable and therefore, practitioners are constantly seeking newer techniques, equipments, and anesthetic solutions for this very purpose. the aim of this review is to introduce strategies to achieve profound anesthesia particularly in difficult case...

objective: anesthetic techniques like the akinosi technique were introduced to surmount the problems of the conventional inferior alveolar nerve block (ianb) technique. this study aimed to compare the local anesthetic efficacy of ianb via the conventional and akinosi techniques in patients presenting to the maxillofacial surgery department of school of dentistry, shahid beheshti university. met...

background cleft lip and palate as the most common congenital defect of oral cavity possesses a heavy socioeconomic burden for both the child and parents. nasoalveolar molding (nam) has received more attention to enhance future facial appearance and function during recent decades case presentation a 21-day old female neonate was referred with a bilateral cleft lip and palate. parents complained...

introduction: cleft lip (cl) and cleft palate (cp) are among the most common congenital anomalies. constituting 65% of head and neck anomalies in isolated or syndromic forms, they are considered as the most common head and neck congenital deformities in children. methods: 15 children from the tabriz children hospital were evaluated in this descriptive-analytic cross sectional study that possess...

  Silicosis is considered to be among the occupational lung diseases and associated with sandblasting, mining, quarrying and tunneling. Acute silicosis is usually progressive diseaseand despite treatment with corticosteroids it leads to cardio-respiratory failure and death. Alveolar silicoproteinosis is one of it’s acute presentations due to exposure to silica dust and lungs filling with protei...

discussion this segmental ridge-split procedure with gradual bone expansion provides a quicker method wherein an atrophic ridge can be predictably expanded and eliminating the need for a second surgical site. this technique also shows that immediate implantation in split ridge of mandible can be performed. introduction narrow alveolar ridges especially in posterior mandibular remains a serious ...