About Microplastics, Are Polluting the Oceans

Have you ever heard a voice from heaven?

”In the future, you will not able to eat seafood. Because entire marine life has been contaminated by microplastics.”

I am pessimistic that microplastics will become a serious environmental problem and will continue to exist for a long time, just like the global warming problem.

Since the invention of plastic products, how long have we been using them? And can we suddenly stop using them? The answer is very simple. The microplastic problem will be a long-term battle for the man.

As a dentist, I am made aware of microplastics problems when I see kinds of toothpaste that intentionally have microplastics added to them to characterize the product as a scrub.

Damn the manufacturers for releasing this crap!

The microplastics in toothpaste can trap in the gingival sulcus or periodontal pocket and cause inflammation.

It's a shameful story, in Japan, toothpaste containing these microplastics are still being sold. They are not only used in toothpaste but also facewash.

Will the human race realize the stupidity of what they have done when the oceans are completely polluted with tiny, invisible plastics?

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The Sealer-Puff After the Root Canal Obturation, the Relationship Between Root Canal Irrigation

The sealer-puff is a characteristic appearance of sealer overflow outside the apical foramen on the confirmatory dental photograph after root canal filling. This is caused by a small amount of sealer overflowing outside the apical foramen when the dentists pressurize the area around the apical constriction to achieve a tight root canal filling. It is also caused by sealer penetrating the lateral branches of the apical-delta due to pressure at the apex. The sealer puff is, after all, an overflow of foreign material into the periapical tissue of the root apex. Of course, dentists must always try to prevent foreign material to overflow from the root apex into the apical periapical tissue. However, if we take into account the cause of sealer puffs, we can evaluate them from a different perspective. Sealer puffs are... The area around the root apex is properly cleaned and free of debris, ensuring the patency of the root canal. And Be caused by the application of a good flow of s...

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An important aspect of root canal cleaning is just disinfection, especially at the root apex. This consists of removal of the smear layer of the dentinal wall and disinfection with sodium hypochlorite solution in the apical delta. Normally, dentists perform positive pressure irrigation using a syringe for root canal irrigation. They use saline solution, hydrogen peroxide solution, EDTA, or sodium hypochlorite solution as the cleaning solution. If the needle is thin enough to rinse deep into the root canal, dentists will usually feel that can clean the root canal. However, the reality is that the cleaning is not satisfactory. This is because only positive pressure irrigation makes it difficult to exert the chemical action of the irrigants. In particular, a narrow path such as the apical delta is difficult for the cleaning solution to reach. Therefore, it will be necessary to use some other method in addition to positive pressure washing. The agitation of root canal irrigation is. T...

Let's Consider Root Canal Irrigation

In my opinion, an extremely important step in root canal treatment is root canal irrigation. Cleaning the inside of the root canal is a more difficult procedure than the dentist may think and, in practice, often results in inadequate cleaning. Root canal irrigation is not as simple as simply placing fluid into the root canal. As the name "irrigation" implies, it is the act of physically and chemically removing the dirt inside the root canal using a cleaning solution - some kind of liquid. The root apex is the most important area of the root canal where cleaning is required. In root canal treatment, aseptic preparation of the root canal by the dentist can prevent apical periodontitis. Once the root canal has been ideally enlarged with a NiTi file, it must then be thoroughly cleaned; if there is debris, it should be physically flushed out, and if there is inorganic or organic residue, it must be chemically cleaned. In addition, the root canal must be perforated and patency mus...

All thumbs! my dental practice, meanwhile in Japan.

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