The Dental Register Volume 55

The Dental Register Volume 55

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 edition. Excerpt: ... roots to remain in place beyond the normal period. One writer has said: "It should be borne in mind that the interdependence of the teeth is so great at all times that the loss of one or more at any period in their history must have a marked influence upon the remaining teeth." To illustrate the bad effects of premature extraction of the deciduous teeth, a case recently came into my hands for treatment that illustrates the statement in a forcible manner. In the upper jaw the permanent incisors, the permanent molars and the permanent first bicuspids are erupted and in the arch. The second temporary molars are the only deciduous teeth left in the arch and they occupy their proper positions. The temporary cuspids had been extracted, and the arch has contracted until it is closed, leaving no spaces for the permanent cuspids, which have not yet erupted but which can be distinctly seen appearing out of the line of occlusion and high up in the jaw under the lip. This condition was caused by the extraction of the temporary cuspids when the child was but eight years old, in order ' that the permanent lateral incisors might have room to get into the arch in proper alignment. The result was the contraction of the bones of the jaw and the closure of the arch, because the permanent cuspids had not sufficiently formed to come down into the space. As a natural consequence the jaw at that point has not developed sufficiently to admit the cuspids, which are detained in the jaw where developed. The dentist who extracted the cuspids tried to subvert nature's process by attempting to hold the space between the lateral and first bicuspid with a splint, but of course it could not be done. The contraction of the upper arch also more

Product details

  • Paperback | 186 pages
  • 189 x 246 x 10mm | 340g
  • United States
  • English
  • black & white illustrations
  • 123694593X
  • 9781236945938