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Efficacy of 4 Irrigation Protocols in Killing Bacteria Colonized in Dentinal Tubules Examined by laser scanning confocal microscope technology (CAT#: STEM-MIT-0105-LJX)

Introduction

The hollow in the middle of a tooth contains soft tissue called the pulp. The upper part of the cavity is broad, called the pulp cavity, and the lower part has a tubular root canal, from which the blood vessels of the dental nerve and nutrient nerve are derived. Humans typically have 1-4 root canals per tooth, with the most canals in the back of the tooth.
Confocal laser scanning microscopy can be used to determine the efficiency of the rinsing agent in eliminating bacteria in the root canal.




Principle

Laser scanning confocal microscope is a high-tech microscope. It is based on fluorescence microscope imaging and equipped with a laser scanning device, which uses ultraviolet or visible light to excite the fluorescence probe, thereby obtaining fluorescence images of the internal microstructure of cells or tissues.
The laser beam is used as the light source in the laser scanning confocal microscope. The laser beam passes through the illuminating pinhole and is reflected to the objective lens through the spectroscope. The laser beam is focused on the sample, and every point on the focal plane of the specimen is scanned. If there is a fluorescent substance that can be excited in the tissue sample, the fluorescence emitted after excitation is directly reversed back to the spectroscope through the original incident light path, and is first focused when passing through the detection pinhole. The focused light is detected and collected by the photomultiplier tube (PMT), and the signal is sent to the computer, and the image is displayed on the computer monitor after processing.

Applications

Imaging and analysis in the fields of morphology, molecular cell biology, neuroscience, pharmacology, genetics

Procedure

1. Sampling
2. Preparation of slices
3. Staining (Select according to the specific experimental situation)
4. Observation

Materials

• Sample Type:
Root of tooth

Notes

Operate in strict accordance with the operating procedures, and shall not arbitrarily change the operating procedures
In the starting sequence of the switch and in the scanning process, try to do fast and orderly, to protect the laser
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