Word: cements
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...believe the Vice President initially answered a deep-seated mood of America in his public statements. However, a continued attack on the young-not on their attitudes so much as their motives -can serve little purpose other than to further cement those attitudes to a solidity impossible to penetrate with reason...
...lesson he doesn't draw is that no society rotting at its roots can expect to maintain the discipline and the civil rights of its armed forces simultaneously. The best cement for any fighting body is belief in the rightness of the fight. The Israelis and the North Vietnamese have shown the power of conviction. It will be some time before the United States can have the luxury of a military free of repression...
Brezhnev has lately gone out of his way to cement relations with the power groups outside the Politburo, particularly the military...
...diameter for the average patient) is relatively easy. The difficulty is to secure the ball to the femur. In early operations, the shaft holding the ball was screwed into the femur. Charnley was dissatisfied with the method because the shaft sometimes came loose. A dentist friend proposed that he "cement" it in with methyl methacrylate, a plastic used for years in dentistry. "My friend couldn't have suggested anything better," says Charnley. "It was a tremendous advance. The prosthesis [artificial part] now remains permanently, rigidly fixed to the bone...
Since late 1962, Charnley has used the polyethylene socket, which is also cemented in place with methyl methacrylate. In an intensive follow-up of his first 500 cases, Charnley has found the cement holding perfectly. The polyethylene, originally 10 mm. thick, wears away at the rate of about 1 mm. in five years. "No discomfort should be noticed until at least 50% has worn away," he says, "and if that happens, we can always replace the socket...