. Oral Roentgenology : a Roentgen study of the anatomy and pathology of the oral cavity . Figure Figure 74. Figure 72. 74 ORAL ROENTGENOLOGY 2. Diseases of the Hard Tooth Substances The diseases of the hard tooth substances are nearly always obvious,with the exception of affections of the root ends, which will be discussedin connection with alveolar abscesses. There are cases, however, wherethe Roentgen ray is useful in diagnosis. Abrasion. This is a physiological process, the tooth having been worndown from mastication. In these days, when almost all of our food iscooked and soft, we rar
. Oral Roentgenology : a Roentgen study of the anatomy and pathology of the oral cavity . Figure Figure 74. Figure 72. 74 ORAL ROENTGENOLOGY 2. Diseases of the Hard Tooth Substances The diseases of the hard tooth substances are nearly always obvious,with the exception of affections of the root ends, which will be discussedin connection with alveolar abscesses. There are cases, however, wherethe Roentgen ray is useful in diagnosis. Abrasion. This is a physiological process, the tooth having been worndown from mastication. In these days, when almost all of our food iscooked and soft, we rarely find bad cases of abrasion, but with our ances-tors it was the greatest etiological factor in the involvment of the pulpand of alveolar abscesses, as is evidenced in the skulls of the ancient Egyp-tians and various tribes of the old as well as the new world. Abrasionalso occurs sometimes on single teeth, due to malocclusion or loss of thesupporting back teeth. Prom a Roentgenogram we can get an ideaof how far the process has progressed toward the pulp chamber and howmuch the pulp has receded.
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectradiographydental
