Effect of drill-induced noise on hearing in non-operated ear.

Background: The aim of this study was to evaluate the effect of drill-generated noise on hearing loss in non-operated ear and if any, was temporary or persistent.

Materials And Methods: In this prospective clinical study, 23 patients who had undergone mastoidectomy and normal contralateral hearing were enrolled. Patients were evaluated preoperatively and postoperatively (1 and 7 days) following surgery using low and high-frequency pure tone audiometry (PTA) and low and high-frequency transient evoked and distortion product otoacoustic emission (DPOAE) testing.

Formulation of nicotine mucoadhesive tablet for smoking cessation and evaluation of its pharmaceuticals properties.

Background: Nicotine replacement therapy (NRT) with gradual decreasing of nicotine is one of the smoking cessation methods. Muccoadhesive formulations are among the novel drug delivery systems that are available in the form of tablets and films, and can be used for NRT. Muccoadhesive nicotine tablets when placed in the upper gum will attach to the buccal mucosa and release nicotine content in a controlled manner.