The surgical operating microscope was introduced in the early 1920s, but it was largely ignored until 1950, when it was reintroduced by Richard A. Perritt for use in microsurgical operations in opthamology.1 The magnification and illumination provided by the microscope has resulted in its acceptance as an essential part of the surgical armamentarium. Microsurgical techniques gained widespread a...

In this paper, the results of imaging experinents with the interfacial region~ of representative solid material joints, ~1ng a transmission-type scanning acoustic microscope operating at 150 HHz, are reported. Voids and flaws in specially made joints as well as production-line silicon solder bonds (die bonded headera' have been detected using the transmission~de of operation of the microscope. ...

We aimed to create a slippery liquid-infused enamel surface with antibiofouling property to prevent dental biofilm/plaque formation. First, a micro/nanoporous enamel surface was obtained by 37% phosphoric acid etching. The surface was then functionalized by hydrophobic low-surface energy heptadecafluoro-1,1,2,2-tetra- hydrodecyltrichlorosilane. Subsequent infusion of fluorocarbon lubricants (Fl...

The etiology of dental pulp stones, one type of extraskeletal calcification disease, remains elusive to date. Calcifying nanoparticles (CNPs), formerly referred to as nanobacteria, were reported to be one etiological factor in a number of extraskeletal calcification diseases. We hypothesized that CNPs are involved in the calcification of the dental pulp tissue, and therefore investigated the li...

Continuous intraoperative optical coherence tomography (iOCT) integrated into the operating microscope is a new modification in the current operating microscope to aid in the surgical procedures involving both the anterior and the posterior segment. This helps in intraoperative planning, modification of the surgical steps if required and confirmation of the surgical endpoint in the operating ro...

AIM To assess the reproducibility of clinical diagnosis of occlusal caries using unaided visual examination and examination with an operating microscope (16 x magnification) and to determine the agreement between these 2 methods. MATERIALS AND METHODS Three experienced dentists used unaided visual examination and an operating microscope to grade, according to a standard caries rating scale, a...

Understanding the interface between dental materials and tooth is critical in the prevention of secondary caries. Assessing this interface with high-resolution clarity has traditionally been challenging. This work highlights electron tomography, carried out in the transmission electron microscope, as a novel technique to obtain both three-dimensional and nanometer scaled information on dental m...

OBJECTIVE To investigate whether autologous ossicles can be safely used in ossicular reconstruction in cholesteatoma surgery after attempting cholesteatoma removal under the operating microscope. STUDY DESIGN A prospective fine-section histological study of formalin-stored ossicles, harvested from cholesteatomatous ears, to evaluate for existence of residual cholesteatoma after surface diseas...

Objectives/Hypothesis: Chondrosarcoma is a rare malignancy of the head and neck with fewer than 600 cases described in the literature. Treatment typically consists of conservation surgery with preservation of airway and preoperative voice quality. We describe five patients treated with a conservative transcervical approach utilizing the operating microscope for submucosal microdissection. Study...