Question

Cleaning of mouth is the frist requirement

Answer 1

Answer:

${ \huge{ \boxed{ \pink{ \mathfrak{answer}}}}}$

Oral hygiene is the practice of keeping one's mouth clean and free of disease and other problems (e.g. bad breath) by regular brushing of the teeth (dental hygiene) and cleaning between the teeth. It is important that oral hygiene be carried out on a regular basis to enable prevention of dental disease and bad breath. The most common types of dental disease are tooth decay (cavities, dental caries) and gum diseases, including gingivitis, and periodontitis.

▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃

Answer 2

Answer:

Yes , It is!

Explanation:

The cleaning of mouth is the first requirement as it is the entry point of Germs and Bacteria. These germs may enter our mouth and we know that the lung is connected with the mouth. So it might be dangerous without cleaning our mouth. Also Im new to Brainly.in , so there might be some errors you may find in my answer :)