Glisten => if sth glistens, it shines because it is wet or covered with oil. His forehead was glistening with sweat(ter). Pine

you could hear a pin drop => (mainly spoken) used for emphasizing how quiet a place is when no one is talking
((162)) hygiene => the practice of keeping yourself and the things around you clean, in order to prevent illness and disease(gigiena)
Incisor => one of the sharp teeth at the front of your mouth, used for cutting and biting. The incisors are between four sharp teeth called canines and the large square teeth behind those are called molars.
Crown => a cover for a tooth that has broken or decayed badly
Tissue => the substance that animal and plant cells are made of
Enamel => 3(medical)the hard white outer layer of teeth
Dentine => the hard substance that your teeth are made of and is under the enamel(white outer layer)
Cementum => the outer tissue of the roots that covers the root dentin
Pulp => 4 (medical) the soft, sensitive part in the inside of a tooth that contains nerves and blood vessels
((163)) Wisdom tooth => one of the four large teeth that grow at the back of your mouth when you are an adult
Malocclusion => when the upper and lower teeth do not meet properly, the condition is known as a Malocclusion
Improper => not suitable or right according to accepted standards of social or professional behaviour
Stick out => 1to continue further than the end of a surface or the main part of an object
Overbite => a fault in someone’s teeth in which the top teeth are too far in front of the bottom teeth
Orthodontist => a dentist whose job is to make teeth straight
Brace =>a set of wires that you wear on your teeth to push them into the correct position. The American word is braces.
Plaque => a substance that forms on your teeth and in which bacteria can grow and damage your teeth
Film => 3a very thin layer of something that forms on a surface
Amalgam => a substance used for filling holes in teeth, made from a mixture of metals