The suction, along with the abrasive nature of salt water, wears their teeth down.
The killer whales that feed on mackerel have been found to have very worn down teeth as a result of their feeding behaviour.
And enough carbon dioxide emissions to spur the anti-coal crew to gnash their teeth all the way down to the gums.
"Those with wear will continue wearing down their teeth and ... if you keep grinding at this rate, you won't have any teeth, " she said.
Liverpool Crown Court heard that the dog's teeth had been filed down and it did not break the skin on her leg, but she was left with a bruise.
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There are mountains, too, grey crags looming down like broken teeth, some tinged with snow.
"He turned towards me, he had both fists clenched... grinding down on his teeth, " PC Milby said.
So, when some of the old man's teeth needed pulling, he sat down at the kitchen table, knocked back a belt of whiskey, and yanked them out himself with a pair of electrician's pliers.
The meds made him grind his teeth and his fist would suddenly pound down.
Left untreated, bruxism can lead to worn-down, flattened or chipped teeth.
In an absorbing decider, Petrova clawed her way back from 0-2 down but Williams gritted her teeth again and clinched it when the fifth seed netted a service return.
Mr Miller, 88, from Portsmouth, said he also applied to join HMS Barham as a bugler but was turned down as he had a gap in his teeth which meant he was unable to play.
But rivals, including Ford, which managed by the skin of its teeth to avoid bankruptcy, feared that a collapsing GM would take down with it America's highly-integrated network of car-parts suppliers.
Consumers can reduce the amount of water through direct action - by applying a water-saving showerhead, shutting off the tap during teeth brushing, by not disposing of medicines, paints or other pollutants down the sink etc.
In some schools, kids leaning down for a drink were shoved by bullies and ended up with broken teeth.
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She says investor qualms about litigation and accounting methodology have pushed the stock down too far, particularly given growing demand for the fixing of crooked teeth.
And some of the graves were marked by nothing more than gray, worn down rocks that poked up in a semi-circle like neglected, decaying teeth.
The back of my throat went on tightening, and other muscles lower down my neck joined in, tugging at my lips, trying to stretch them over my teeth.
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