. Orthodontia, or malposition of the human teeth; its prevention and remedy . 106 ORTHODONTIA. Fig. and avoids interference with the tongue which necessarilyaccompanies the use of the latter. Fig. 44 shows the appliance in position, which is as ap-plicable to the lower teeth as the upper. Retention is antici-pated and provided for,by means of the tubedband, while the pin de-vice for locking leverand tube together, isboth novel and ingeni-ous. Aside from these,the method contains somany ingenious modifi-cations of previouslj^known devices (as thescrew and band), and iscomposed of parts sos
. Orthodontia, or malposition of the human teeth; its prevention and remedy . 106 ORTHODONTIA. Fig. and avoids interference with the tongue which necessarilyaccompanies the use of the latter. Fig. 44 shows the appliance in position, which is as ap-plicable to the lower teeth as the upper. Retention is antici-pated and provided for,by means of the tubedband, while the pin de-vice for locking leverand tube together, isboth novel and ingeni-ous. Aside from these,the method contains somany ingenious modifi-cations of previouslj^known devices (as thescrew and band), and iscomposed of parts sosimple and direct intheir action, that it must necessarily commend itself toall engaged in this line of practice. Other illustrations ofthis method are shown throughout Part III. The various parts of the Angle appliances may be obtainedfrom the inventor, or from the dental supply houses.* coffins method. In a paper read before the Dental Section of the Inter-national Medical Congress, held in London, in August, 1881,Mr. Walter H. Coffin explained his method of correctingirregularity of the teeth. The
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