Toothbrush is a tool used with toothpaste to clean and maintain the aesthetics and health of teeth. It is typically made of plastic and nylon bristles, and it comes in various shapes and sizes. Toothbrushes can be manual or electric, and they are designed to remove plaque and food particles from teeth and gums.

Toothpaste is a paste or gel dentifrice used with a toothbrush to clean teeth and maintain oral hygiene. It contains various ingredients, such as abrasives, fluoride, and antimicrobial agents, that help remove plaque and prevent tooth decay. Some toothpaste products also contain essential oils, herbal ingredients, and natural or plant extracts.

There is no Malayalam word for toothbrush.

As for positive aspects, toothbrushes and toothpaste are essential tools for maintaining good oral hygiene and preventing tooth decay and gum disease. They are widely available, affordable, and easy to use. Toothbrushes can also be used with natural alternatives like miswak, which is a teeth-cleaning twig made from the Salvadora persica tree.

On the negative side, toothbrushes and toothpaste can contribute to plastic waste and pollution. Some toothpaste products may contain ingredients that can cause allergic reactions or other side effects.

In summary, toothbrushes are tools used with toothpaste to clean and maintain oral hygiene. Toothpaste contains various ingredients that help remove plaque and prevent tooth decay. While toothbrushes and toothpaste are essential for good oral hygiene, they can also have negative impacts on the environment and some individuals may experience side effects from certain toothpaste products.