. Dental and oral radiography; a textbook for students and practitioners of dentistry . r, in case they do not come outsatisfactorily, make others without subjecting the patientto the inconvenience of another appointment. Where limited space precludes the possibility of a reg-ular darkroom, a developing cabinet, or so-called port-able darkroom may be utilized. (See Fig. 36.) Sucha cabinet may be placed upon a small table or attached tothe wall at the proper height from the floor. It should belarge enough to contain the necessary developing traysand other photographic necessities. The front pan
. Dental and oral radiography; a textbook for students and practitioners of dentistry . r, in case they do not come outsatisfactorily, make others without subjecting the patientto the inconvenience of another appointment. Where limited space precludes the possibility of a reg-ular darkroom, a developing cabinet, or so-called port-able darkroom may be utilized. (See Fig. 36.) Sucha cabinet may be placed upon a small table or attached tothe wall at the proper height from the floor. It should belarge enough to contain the necessary developing traysand other photographic necessities. The front panelshould be hinged so as to permit easy access to the in-terior for the arrangement of the trays, solutions and REQUISITES OF DENTAL X-IIAY LABOItATORY it for their removal after development. The riihy lamp forlighting the interior slionld l)e an integi-al part of tliecabinet and the observation windoAv at the top shonldbe so placed that the operator can have an nnobstructedview of the interior. This window must be covered withruby glass, and around it should be constructed a shield. Fig. 36.—The portable darkroom. which will shut out all outside light while the operatoris looking into the cabinet. , With the portable darkroom, plates and films may besatisfactorily developed, but the process can not be car-ried with the same degree of comfort as where a reg-ular darkroom is available. Therefore, any dentist in-tending to do any considerable amount of radiographycan well afford to go to the trouble and expense of con-structing a darkroom which will be comfortable, and con-lain all the conveniences. CHAPTER VITECHNIC OF DENTAL AND ORAL RADIOGRAPHY Having discussed the requisites of the dental x-raylaboratory, let us now proceed to a consideration of theirapplication in the actual work of radiography. The very nature of the structures with which Ave con-cern ourselves, their gross as well as minute anatomy,renders them somewhat difficult to radiograph, and neces-sitates a refine
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