How to Wear N95 Face Masks Correctly?
Face the side of the mask without the nose clip so that the nose clip is above the N95 mask. Hold the mask on your face by hand and hold it against your chin. Pull the upper headband over the top of the head and place it over the top of the head. Pull the lower headband over the top of the head and place it under the ear behind the neck. Place the fingers of both hands in the middle of the metal nose clip and move the fingertips along the sides of the nose clip while pressing
The Difference Between KN95 Mask and N95 Mask
Hello everyone! Recently, the Covid-2019 virus has struck, and experts recommend wearing a mask when going out. Masks are divided into several categories, so what is the difference between the most common KN95 and N95 masks? Please see below for me to answer everyone. 1.KN95: According to our national standards, masks can be divided into two categories: KN and KP according to their functions. KN is suitable for filtering non-oily particulate matter, and KP is suitable for filtering oily particulate matter. The following figure is the percentage of filtration efficiency. KN95 stipulates that the filtration efficiency for non-oily particles above 0.075
Description of Protection Level of Dust Masks
In addition to self-made masks and temporary masks, their types are mainly divided into surgical masks (medical masks) and dust masks (industrial masks). There are many kinds of materials. The National Institute of Occupational Safety and Health (NIOSH) divides the material of this filter in the middle of the mask into the following three types: 1.N series: N stands for Not resistant to oil and can be used to protect non-oily suspended particles. 2.R series: R stands for Resistant to Oil can be used to protect non-oily and oily suspended particles. 3.P series: P stands for oil Proof can be used to protect
Common Face Masks and Their Characteristics
Common masks are common masks (such as paper masks, activated carbon masks, cotton masks, sponge masks, gauze masks, etc.), medical masks, medical surgical masks, medical protective masks (such as N95 masks, KN95 masks, etc.). Ordinary masks can be washed repeatedly. Saliva will remain on the part of the face mask that touches the mouth and nose. If you don’t wash it, it will easily breed bacteria, which does not meet the hygienic requirements. The fibers of cotton masks are generally thick and cannot effectively filter smaller particles, and most of them have not passed the international safety certification, and the
What is the Correct Use Method and Precautions of Dental Floss (Water Dental Floss)?
Step by step reading Teeth are the hardest things in the human body, but if you don't pay attention to oral hygiene, your teeth will be corroded by tapeworms. Many people had tooth decay because they ate too many sweets as a child, which made us regretted why we were so greedy in childhood. Although the oral cavity problem is very serious, don't worry too much now, because the red teeth and electric toothbrushes have already entered our lives. The invention of these two products can be said to have greatly helped our oral care. Do you know how to use
What Is The Cause of Gum Pustules?
Related to teeth: dental pulp inflammation, necrosis, apical abscess, periodontal related, wisdom tooth related and other issues. Not related to teeth: osteomyelitis, tumors or some infections after tooth extraction, infections after oral surgery, etc. Dental pulp disease Deep tooth decay (caries), causing infection of the pulp-dentin system inside the tooth. Cracked teeth: Cracked teeth cause the dental pulp to become sick. Severe periodontal disease: The tip of the tooth root is an open channel. Severe periodontal disease can also indirectly cause dental pulp disease. Therefore, we have a special term called "dental pulp-periodontal disease". Trauma causes internal damage to the teeth:
What is Ceramic Braces?
Ceramic braces have been around for decades, and as more and more adults switch to orthodontic treatment, you may often see them. This type of braces is as reliable as standard metal braces, but they look more beautiful. Ceramic or transparent braces are made of transparent or tooth-colored materials to better blend with the natural color of your teeth. They consist of a bracket and wire, just like ordinary metal braces. The main difference is that ceramic braces are less obvious to others and are especially beneficial for adults to attend various social occasions. High quality ceramic braces can provide considerable strength,
What Causes Cavities?
Understand the causes, types, and properties of tooth decay, which filling material is best? I believe that it is very helpful for patients to maintain their dental health. After all, the two most common threats to the oral cavity, besides periodontal disease, isn't tooth decay? There are four elements that cause tooth decay-teeth, bacteria, food, time. In other words, the protagonist must first have teeth-tooth. Then there are bacteria. There are many different types of bacteria in our oral cavity, tooth decay bacteria and periodontal disease bacteria are one of them. Usually these bacteria are in a state of mutual checks
What are the Non-radiation Routine Examinations for Root Canal Therapy?
Many patients in the clinic complained: "The teeth that have been drawn are not cleaned. 『This may be because you are too anxious to let the doctor check the results. Next, I will introduce the eight most commonly used examinations for root canal therapy in addition to radiological examinations. It should be noted that there are no order requirements for the following examinations, and not all of them have to be done, but the physician will choose the appropriate examination according to clinical needs. So don't use these to question your doctor! Before beginning the introduction, we still have to declare that
What are Tartar and Calculus?
Earlier this week, a friend of mine told me a joke that made me laugh. She asked: "What is the favorite subject of stomatology students?" I told her I didn't know, and then she blurted out: "Dental calculus!" So what is calculus? Dental calculus, commonly known as tartar, is a hardened plaque. Tartar looks like a thick, milky white coating that adheres to the teeth between the teeth and the gums. What is tartar and calculus? Tartar and calculus are the same thing. Tartar is a relatively common term, and most dentists and dental hygienists will call it calculus. No matter what you