When in place, a well-cemented band actually protects the part of the tooth that is covered.

When a tyrannosaur would have pulled back on a piece of meat, the force would tend to push the tip of tooth toward the front of the mouth and the anchored root would experience tension on the posterior side and compression from the front.

When the sleeve's tooth contacted the pawl the sleeve and the load's inertia unwrapped the spring to disengage the clutch.

When the clutch locked up the driven mechanism coasted and its inertia rotated the disc until a tooth on it engaged a pawl that kept it from reversing.

When the tooth is crushed, intended victim Baron Harkonnen escapes, but Leto and De Vries die.

When pressure is exerted on a tooth, such as during chewing or biting, the tooth moves slightly in its socket and puts tension on the periodontal ligaments.

When larger portions of a tooth are lost, an " extracoronal restoration " may be fabricated, such as a crown or a veneer, to restore the involved tooth.

When a tooth is lost, dentures, bridges, or implants may be used as replacements.

When eruption is prematurely stopped, the tooth is said to be impacted.

When established in 1840 by the Michigan Legislature, the county was given the name Kautawabet, a Potawatomi phrase meaning " broken tooth " and the name of an area Potawatomi chief.

When asked about her findings regarding the tooth fairy's appearance, Wells explained-" You've got your basic Tinkerbell-type tooth fairy with the wings, wand, a little older and whatnot.

When a child's sixth tooth falls out, it is a custom for parents to slip a gift or money from the tooth fairy under the child's pillow, but to leave the tooth as a reward.

When the top electromagnet ( 1 ) is again enabled, the rotor will have rotated by one tooth position ; since there are 25 teeth, it will take 100 steps to make a full rotation in this example.

When the crocodile's mouth is closed, the large fourth tooth in the lower jaw fits into a constriction in the upper jaw.

When a tooth is lost prematurely, removable or fixed spacers may be needed to prevent the shifting of teeth.

When he finally succeeds in doing so and is just about to propose to her, Reggie's tooth — in the nick of time, as it turns out later — starts hurting so badly that he has to postpone all his plans, hurry home, and make an appointment with a dentist.

When the gingiva become so irritated that there is a loss of the connective tissue fibers that attach the gums to the teeth and bone that surrounds the tooth, this is known as periodontitis.

When visible to the naked eye, it can be a small test ( shell ) of a microfossil ( radiolarian or foraminifer ), a phosphatized shark tooth, basalt debris or even fragments of earlier nodules.

When the pH at the surface of the tooth drops below 5. 5, demineralization proceeds faster than remineralization ( meaning that there is a net loss of mineral structure on the tooth's surface ).

When the magma approaches the surface of the Earth, the rapid off-loading of overlying material causes the trapped gases to decompress rapidly, thus triggering explosive destruction of the magma and spreading volcanic ash over wide areas.

When the National Assembly was later created in June 1789 by the Third Estate, the clergy voted to join them, which perpetuated the destruction of the Estates General as a governing body.

When combined with secure containers, or document destruction systems, or electronic access or alarm systems, locks can provide much higher levels of security.

When someone speaks of a mishap involving an audible arcing of electricity, the word " zap " is often used ( and has subsequently been expanded and used to describe non-auditory effects generally connoting the same sort of localized but thorough interference or destruction similar to that produced in short-circuit sparking ).

When his lawyer pointed out an error in the wording of the act which seemed to limit its application to cases of the destruction of objects worth no more than five pounds, he was convicted instead of the destruction of the glass case in which the vase had sat.

When the Russians began moving in tanks fitted with explosive reactive armor ( ERA ), the Chechens had to adapt their tactics, because the RPGs they had access to were unlikely to result in the destruction of the tank.

When Hutchinson claimed all materials were property of the British Crown, a French scholar, Étienne Geoffroy Saint-Hilaire, said to Clarke and Hamilton that they would rather burn all their discoveries — referring ominously to the destruction of the Library of Alexandria — than turn them over.

When the immune system of a vertebrate encounters a virus, it may produce specific antibodies which bind to the virus and neutralize its infectivity or mark it for destruction.

When the concept of assured destruction is applied in the doctrine of law, it is often criticized by proponents of the restorative justice and transformative justice approaches, who point out that assured destruction doctrines are rarely implemented with rigor or integrity of due process.

When revolutionary forces forced their way into Norfolk, Virginia, and used waterfront buildings as cover for shots at British vessels out in the river, the response of destruction of those buildings was ingeniously used to the advantage of the rebels, who encouraged the spread of fire throughout the largely Loyalist town, and spread propaganda blaming it on the British.

When the Pfhor use a trih xeem device to send the star into early nova, the creature is released, to the horror and destruction of the Pfhor.

When Hussein objected and offered to participate in Egypt's defense, Nasser warned him " to save his army from destruction.

When the Interregnum ended, the new Emperor Rudolf of Habsburg applied the lessons learned by the Rhine League to the destruction of the highway robbers at Sooneck, torching their castles and hanging them.

When Worlds Collide ( 1951 ) based on a 1933 novel by Philip Wylie, deals with two planets on a collision course with Earth – the smaller planet a " near miss ," causing extensive damage and destruction, followed by a direct hit from the larger planet.

When Melkor was released from captivity, he fled to Avathar, scaled the mountains with the help of Ungoliant, and wrought destruction in Aman: he persuaded Ungoliant to kill the Two Trees of Valinor and take from them what energy she could to quench her hunger, as Ungoliant ( see also Shelob ) was always hungry.

A great deal of destruction was done to the tombs over the centuries by quarrying and by their conversion for use as housing, both by monks in the Byzantine period, when some were used as churches, and later by Muslim villagers: " When the Arab village was built ; tombs were destroyed, incorporated in houses or turned into water cisterns and sewage dumps.

When the Israelites see the power of Yahweh they put their faith in Yahweh and in Moses, and sing a song of praise to the Lord for the crossing of the sea and the destruction of their enemies.

When Spike was transformed into a ghost-like intangible state following the destruction of Sunnydale and the Hellmouth and his subsequent materialization at Wolfram & Hart, he was capable of walking through solid objects.

The Silver Age Superman was not alone in the survival of Krypton's destruction, being joined by his cousin Supergirl, the Phantom Zone criminals, Beppo the super-monkey, Krypto the Superdog, a juvenile delinquent named Dev-Em, and the entire population of the city of Kandor, Supergirl's real parents and even Superman's real parents ( in hibernation on a space ship-Superboy # 158 July-1969 ), When the planet exploded, one entire city of Krypton, Argo City, survived the cataclysm.

When humanity wishes for destruction, Nyx will return and again bestow death upon the world.

When news of the fortification reached Odo he despatched a force to carry out its destruction.

When Governor Thomas Overton Moore saw that New Orleans would fall to the Union, he issued orders for the destruction of cotton to keep it from Federal hands.