PURPOSE It has been reported that fixation conditions significantly influence the apparent pore density in the inner-wall endothelium of Schlemm's canal. In the present study, the manner in which fixation conditions affect the two subtypes of inner-wall pores, intracellular pores and intercellular (or border) pores, was investigated. METHODS Outflow facility was measured in enucleated human e...

BACKGROUND Cholesteatoma can be a difficult disease to treat because the underlying cause of the disease, Eustachian tube dysfunction, is generally not addressed. This can lead to recurrent disease. Surgical resection of cholesteatoma can also be quite challenging, and residual cholesteatoma is often present after surgery. The term recidivism is frequently used to describe both recurrent and re...

OBJECTIVES Chronic infection of the middle ear and cholesteatoma can be treated surgically by exenteration of the mastoid air cells behind the ear. After a procedure with the canal wall-down technique, a cavity remains that is sometimes difficult to clean, collects crust, and becomes repeatedly infected. Such problematic mastoid cavities can be eliminated by filling the created cavity surgicall...

A necrotic immature mandibular second premolar with periapical involvement in a 13-year-old patient was treated. Instead of the standard root canal treatment protocol and apexification, antimicrobial agents were used in the canal, after which the canal was left empty. Radiographic examination showed the start of apical closure 5 months after the completion of the antimicrobial protocol. Thicken...

The purpose of our study was to accurately visualize and measure the normal anatomy and size of the pterygoid canal with thin-section (0.5 mm), high-resolution computed tomography (HRCT) as well as multiplanar reconstruction (MPR) and curved planar reconstruction (CPR) technologies to obtain credible and comprehensive information for clinical management. Both axial HRCT and MPR images of the pt...