Introduction: Nasal obstruction is a risk factor in sleep-disordered breathing with a negative impact on the quality of life in humans Objective: In this study we determined whether histological development of olfactory bulb development could be influenced by an early temporary (3 d) nasal obstruction associated with physiological state. Methods: The rats were killed at specific time points after surgery. Plasma samples were taken for biochemical analyses, and histological measurements were performed. Shortly after nasal obstruction, the volumes of external plexiform (CPE), internal plexiform (CGI), and granule cell (CGr) was measured in both sexes of test rats compared with controls.

Aim: The aim of the study was to evaluate and compare the effect of conventional glass ionomer cement and Nano-glass ionomer using atraumatic restorative technique (ART) in a group of Egyptian autistic children. Materials and Methods: Thirty autistic patients had cavitated lower first primary molars (class I only) were included in this study. According to the type of restorative material used, the children were classified into 2 groups: (Group I) their teeth were restored with conventional glass ionomer, (Group II) their teeth were restored with Nano-glass ionomer (ketac N 100). All children were checked clinically, radio graphically and for bacterial count evaluation at baseline (before treatment) and after 1 week, 2 weeks, 1 month, 3 months and 6 months.

Rehabilitation of surgical resection defects is always a challenging clinical scenario. These defects pose a major physiological and psychological threat not only to the patients, but to the entire family. A multidisciplinary team approach, thorough investigation, long term follow up, proper counselling and sympathetic attitude may help to bring these suffering patients back to normal life stream. Recent advancements in Dental Materials, CAD CAM, Laser Technology and Ossseo integrated Implants have revolutionized the treatment outcomes. However in certain clinical case scenarios, conventional prosthodontic principles and routinely available materials are still the gold standards. This case report presents the prosthodontic rehabilitation of soft palate after surgical resection due to adenoid cystic cell carcinoma.

Aim: The aim of this study was to investigate the effect of ozone used as cavity disinfectant on dentin bond strength of resin-based restorative material. Material and Method: The study included 36 adult 3rd molar teeth removed for surgical reasons. Each tooth was set in a cylindrical mould 2cm in diameter and 3cm high with the dentin surface parallel to the occlusal level and the roots remaining inside, with the help of autopolymerising acrylic. To obtain a standard smear layer, the teeth were filed. The teeth were randomly separated into 4 groups of 9. Ozone gas was applied to the dentin surfaces for 6 seconds (Prozone W&H, Bürmoos, Austria); Group 1 (single Bond Universal, Z250), Group 2 (ozone + single Bond Universal, Z250), Group 3 (Futurabond M, Grandio) Group 4 (Ozone + Futurabond M, Grandio). A 2mm resin layer was applied and polymerised with an LED light source for 20 secs (Light Emitting Diode-Elipar Freelight, 3M ESPE, Germany). The samples were applied with shear force of 1mm/min to breaking point.