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Novel index for the evaluation of wound healing following erupted tooth extraction.
Minerva Dent Oral Sci
January 2025
Department of Surgical, Medical, Molecular and Critical Area Pathology, University Hospital of Pisa, University of Pisa, Pisa, Italy.
Background: Understanding healing of the alveolar process is crucial for immediate implant, alveolar ridge preservation and guided bone regeneration procedures, and to evaluate it several different scales have been proposed; however, all have different characteristics and seem to miss a standardization allowing for an objective and dichotomous evaluation of the different aspects of wound healing. The objective of the present study is to propose and apply, in real clinical scenarios, a novel index for the objective evaluation of wound healing following erupted tooth extraction.
Methods: Healthy patients in need of a single tooth extraction were enrolled and re-examined at 7, 14 and 21 days after the extraction using the novel index proposed.
Therapeutic Dilemma of a Juxtapapillary Retinal Capillary Hemangioma.
Cureus
December 2024
Department of Ophthalmology and Visual Science, Ophthalmology Clinic, Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kubang Kerian, MYS.
A juxtapapillary retinal capillary hemangioma (JRCH) is a rare vascular hamartoma located on the optic nerve head or adjacent region. While often associated with von Hippel-Lindau (VHL) disease, JRCHs can also occur as an isolated condition, presenting unique therapeutic challenges and risks of visual impairment. We report a case of a 50-year-old Malay gentleman with diabetes mellitus who presented with a non-progressive superior visual field defect in his left eye for three months.
View Article and Find Full Text PDFWe demonstrate a widely spaced, stabilized, and self-referenced opto-electronic oscillator driven electro-optic modulator based optical frequency comb. Using an ultra-stable Fabry-Perot etalon as a stable reference, we simultaneously stabilize a CW laser and generate a low noise and stable RF oscillation used to drive an electro-optic comb. In such a manner, the Fabry-Perot etalon pins both the carrier-envelope-offset frequency ( ) and the repetition rate of the comb in place ( ), eliminating the need for an external RF oscillator.
View Article and Find Full Text PDFHigh-resolution depth imaging is essential in fields such as biological microscopy and material science. Traditional techniques like interferometry and holography often rely on phase stability and coherence, making them susceptible to noise and limiting their effectiveness in low-light conditions. We propose a time-of-flight (ToF) widefield microscopy technique that uses pseudo-thermal light.
View Article and Find Full Text PDFCoherence scanning interferometry (CSI) is a non-destructive method for measuring the microstructure surface topography, but it fails to retrieve the bottom topography because the detection light is blocked by the sidewalls of the high aspect ratio (HAR) samples. Our team has proposed CSI technology with the detection light transparent to the sample to measure the surface topography thus ensuring the numerical aperture of the detection light with high throughput. However, a dedicated optical path to monitor the aberrations caused by the modulation from the sample is necessary and a complex optical path is added for aberration correction, which inevitably increases the design complexity and component costs of the optical system.
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