UK: Dental instruments in tray, patient having teeth cleaned by dentist, close shot dentist wearing dental loupes fixed to glasses Dental patient having teeth worked on by dentist

UK: Dentist (wearing face mask) lowering drill towards camera, Dental patient having tooth worked on by dentist with drill, General view woman patient having teeth worked on by dentist as assistant stands by.

Silver fish with large teeth hangs motionless in the sea.

Various of a dentist cleaning a patient's teeth using dentistry equipment and with a dentist assitant helping. The patient is wearing protective glasses.

Antarctica: Elephant seals play fighting in shallow water, they posture towards one another with mouths open displaying teeth then biting each others necks.

Silver fish with large teeth hangs motionless in the sea, it then snaps it jaws and catches an item of prey before changing position.

Silver fish with large teeth hangs motionless in the sea.

London, England: Lowland gorilla at zoo stripping bark from a twig with its teeth.

South Africa: Mid shot of a Chinese Tiger walking towards the camera, with bushes and vegetation surrounding. Mid close shot of the tiger lying amongst vegetation and yawning showing a large mouth, big tongue and teeth.

Close-up shot of a large 'fluffed up' eastern chimpanzee opening its mouth up really wide as it yawns. The chimpanzee has long fang-like teeth.

Health: Low angle view of denist's overhead light as hand holding dentist's drill lowered towards camera with sound of drill heard.

Close-up shot of a llama.

A robot patient being treated by a dental trainee.

Various close up shots of specialist dentistry tools and equipment at a dentist surgery.