in the current study, floating dosage form containing acyclovir was developed to increase its oral bioavailability. effervescent floating tablets containing 200 mg acyclovir were prepared by direct compression method with three different rate controlling polymers including hydroxypropyl methylcellulose k4m, carbapol 934, and polyvinylpyrrolidone. optimized formulation showed good floating prope...

OBJECTIVE To investigate the methods of diagnosis of fish bone foreign body in the esophagus and suggest a diagnostic protocol. STUDY DESIGN Prospective cohort study. METHODS A prospective study was performed on 286 patients with a history of fish bone foreign body impaction. Among them, 88 patients had negative findings in the oral cavity and laryngopharynx. Subsequent radiologic assessmen...

Digital radiography has gained immense popularity in dentistry today in spite of the early difficulty for the profession to embrace the technology. The transition from film to digital has been happening at a faster pace in the fields of Orthodontics, Oral Surgery, Endodontics, Periodontics, and other specialties where the radiographic images (periapical, bitewing, panoramic, cephalometric, and ...

Effects of oral administration of Channa striatus extract were evaluated in rabbits with experimentally-induced osteoarthritis (OA) in a stifle joint. Changes after the treatment were evaluated by radiography, and innervation of the synovial membranes was assessed by immunohistochemistry. There was a significant reduction in soft tissue swelling observed in radiographs for treated animals 9 wee...

Odontogenic cysts arise from epithelium residuals forming the tooth. When they are infected, can reach large sizes and cause bone resorption in surrounding bone.A 9-year-old girl who was brought to Department of Pediatric Dentistry referred Oral Maxillofacial Surgery due a suspicion cystic lesion premolar region patient's right lower jaw as result clinical radiographic examinations. Fine needle...

introduction the maxillary sinuses are the first sinuses form in the embryonic period and begin to be pneumatized from 4 th year of life. sinusitis is a common disease in children and its on–time diagnosis and treatment is very important to prevent relevant side effects. unfortunately, in some medical centers waters' radiography is routinely prescribed for the diagnosis of sinusitis, regardless...

OBJECTIVES To survey the current radiographic prescriptions in dental implant assessment amongst dentists in Brazil. METHODS Sixty-nine dentists were interviewed during a dental implant meeting by two calibrated graduate students, using a 19-question questionnaire, considering imaging modality options both for pre-operative implant site assessment and for follow-up, particularly with respect ...

OBJECTIVE Successful endodontic therapy depends on adequate mechanical and chemical debridement of the canal which requires knowledge of the canal morphology. Conventional radiography has been used to evaluate the canal type; however, direct digital radiography has recently been practiced for this purpose due to the shortcomings of conventional radiography. The aim of the present study was to c...

This report describes the histopathological features of an ossifying epulis, measuring 1.5 × 1 × 1 cm in length, width and height, respectively, on the lingual surface of the lower jaw of a 2.5 year-old parrot cichlid (Hoplarchus psittacus) from a commercial aquarium. The tumor had appeared in the oral cavity three months prior to its introduction to the laboratory for diagnosis. Grossly, the n...