Word: bacterias
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Periodontal disease, the bacteria-related deterioration of the gum and bone tissue that holds the tooth's root in place, is an almost universal ailment. At least 85% of all people over 40 suffer from it to some extent, and it is the chief reason why adults lose teeth. Dentists routinely treat serious cases with "resective therapy"-removing diseased tissues and sometimes putting in dentures. An occasional alternative involves root-canal work. Now three Denver dentists are offering some patients a third choice. In experimental operations, they have been tapping their patients' hips for marrow to save their...
Preparing for the operation, however, can be complex. One of the important causes of periodontal disease is the buildup of invisible bacteria plaque on the teeth. This must be under control before the implantation takes place. Otherwise the new bone marrow can quickly become infected. Therefore patients must learn how to clean and take care of their mouths before they undergo marrow grafting. This process includes adjustment of the bite, a special schedule of antibiotics, thorough cleaning and lessons in proper toothbrushing techniques. According to Schallhorn, one man underwent nearly five years of preparatory treatment before he finally "got religion...
...jurisdictional head-scratching continues, executives in the $110 million bottled water industry grow increasingly anxious for some sort of regulation. Though no cases of illness caused by bottled water have yet been reported, one recent test sampling of four brands of bottled water sold in Washington, D.C., revealed bacteria counts anywhere from seven to 70 times greater in three of the brands than in ordinary Washington area tap water. The highest count was scored by Deer Park Mountain Spring Water, owned by the Nestle Co. But Deer Park officials contend that the bacteria are harmless to human health and contribute...
FLORIDA'S problem is people, "all of them attempting to build on the beach or as close to it as possible," says Durbin C. Tabb, an ecologist who teaches at the University of Miami. Untreated sewage has so filled south Florida's crowded ocean front that the bacteria count sometimes is three times higher than the count that federal health authorities consider hazardous. More than 50 million tons of untreated sewage is spewed from the cities of Miami Beach and North Miami each day, turning the shoreline into a stinking mess that Floridians bitterly call "the Rose Bowl...
...unseen, uncounted but dangerous organisms that sometimes lurk in polluted water include the viruses that may cause conjunctivitis, laryngitis, sinusitis and hepatitis. They can also include the even more threatening bacteria that cause typhoid, cholera and leptospirosis, a sometimes serious infection carried by animal urine into streams, lakes and stagnant water. Indeed, small rural ponds can create a special hazard for swimmers. Without an adequate water flow to wash away debris, they may become breeding grounds for a heavy concentration of pathological organisms...