. Elementary and dental radiography . ed in Fig. 286, and I be-lieve the apposition to be as near perfection as human ingenuity is capableof carrying it. Just when to remove a splint and bandage from a fracture case isalways a problem. The splint shown in Fig. 287 was removed at the endof the eighth week. Dr. Loeb, of St. Louis, Mo., states that radiographsare a great aid in determining just when to remove splints. A double, comminuted fracture of the mandibleTig. 2$$. four months after the accident. The bone in the region of the fracture is necrotic. THE USES OF THE RADIOGRAPH IX DEXTISTRV 24
. Elementary and dental radiography . ed in Fig. 286, and I be-lieve the apposition to be as near perfection as human ingenuity is capableof carrying it. Just when to remove a splint and bandage from a fracture case isalways a problem. The splint shown in Fig. 287 was removed at the endof the eighth week. Dr. Loeb, of St. Louis, Mo., states that radiographsare a great aid in determining just when to remove splints. A double, comminuted fracture of the mandibleTig. 2$$. four months after the accident. The bone in the region of the fracture is necrotic. THE USES OF THE RADIOGRAPH IX DEXTISTRV 247 52. Tn Cases of Jfnkylosis of the tcmporo-ftlandibular Jlrticulation or theJoint Tormed by the Cootb in the !Jaw. The radiograph is of value in cases of ankylosis to observe the causeof the ankylosis. Case: A miner who had sustained a traumatism Tifl. 2$^. resulting in ankylosis. The ankylosis had existed for several months at the time Fig. 289 was made. The dots outline the missing parts, , the anterior border of the ramus and. Fig. 285. Fracture of the mandible at the symphysis. (Radiograph \>\ Blum, of Xtw VorkCity.) the coronoid process. The disease of the bone could not have failed toaffect the temporal and masseter muscles. It is my belief that in this casethe true muscular tissue was destroyed and replaced with cicatricial tissue,which condition caused a false ankylosis. I consulted two surgeons, butneither was able to suggest a corrective operation. An orthodontist was unable to move a tooth into proper referred the case to me, thinking perhaps the presence of a super-numerary tooth body was responsible for the immobility of the tooth. Aradiograph demonstrated the absence of any such body, and showed thatthe tooth had practically no peridental membrane at all. There was acondition of partial ankylosis, to overcome which it was necessary for theorthodontist to reinforce his anchorage and exert more force on the re-fractory tooth. I do not print a ra
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