Oral anaesthesia; local anaesthesia in the oral cavity : technique and practical application in the different branches of dentistry / by Kurt Hermann Thoma.

  • Kurt Hermann Thoma
Date:
[1914], [©1914]
Catalogue details

Licence: Public Domain Mark

Credit: Oral anaesthesia; local anaesthesia in the oral cavity : technique and practical application in the different branches of dentistry / by Kurt Hermann Thoma. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    In some patients all tlio teeth have a great Removal of amount of secondary dentin deposited in the Calcified Pulps root canals, which are sometimes entirely obstructed, the circulation is interfered ^^■ith, Imt nerve tibers extend throughout the pulp chamber. It is impossible to anaesthetize a pulp of that sort witli pressure anaesthesia, also arsenic preparations are most frequently un- successful. Local anaesthesia is ideal for these cases and, guided by a radiograph, we can open them up to the apex with root canal instruments and drugs or l)otli comltined. Tlie method of anaesthesia is the same as above. Fig. 69. Root of lower second bicuspid. Its lower end was extremely sensitive and inaccessible. Conductive anaesthesia was used to ream the root canal to the ape.x. The first bicuspid shows the same condition but is complicated on account of a liadly bent root. Anotlier case where jircsstire anaesthesia is nn- Removal of successful is, if obliteration of tlie root canals Pulps with or pulp chamber lias taken place. These are Pulp Stones ascertained with the radiograpli and removed under local anacstliesia. Often and most fre(|ueutly in tlie six-year Removal of molai-s of children who neglected their teeth, Hypertrophied A\'e find tlie ])nl]) liy]iertroi)liied and extending Pulps \viiy out of tlie imlp clianiher. The blood supply is increased and sensitiveness ju'evails in the root canals. Inject bv tlie infijtraliou metliod, wliicli is