DOD A-A-53381-1988 ARTICULATOR DENTAL (PLAIN LINE LINGUAL ACCESS DESIGN)《牙齿发音器官(语言设计)》.pdf
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1、1 I l l t I I l r I 1 I 1 I I I I I I A-A-53381 22 February 1988 COMMERCIAL ITEM DESCRIPTION ARTICULATOR, DENTAL (Plain Line, Lingual Access Design) The General Services Administration has authorized the use of this Commercial Item Description. This commercial item description covers a plain line, l
2、ingual access design, dental articulator for use within the dental prosthetic laboratory. Salient characteristics: The articulator shall be suitable for occluding maxillary and mandibular anatomical casts, made from mouth impressions, so that accurate prothesis may be fabricated. The articulator sha
3、ll have as part of the device, condylar and auditory pins for use with face bows, (see “Note“ section), allowing full lingual visibility and accessibility to mounted casts. The articulator shall consist of a lower member and an upper member. The lower member shall be provided with right and left bra
4、ss condylar elements. The lower member shall have two (2) small holes in the anterior portion for the purpose of accepting the mounting guide component, (see “NOTE“ section). The upper member shall be provided with a tempered spring steel mechanism for holding the upper member upon the condylar elem
5、ent, permitting a protrusive movement of 30 5 1 degrees, permitting right and left lateral excursions of 15 2 1 degrees, permitting a Bennett movement of 15 + 1 degrees and permitting removal of the upper member which is facilitated by quick release dogs. The articulator shall have an adjustabie inc
6、isal pin with a lock thumbscrew which will provide a positive anterior stop. The articulator shall have a permanently fixed incisal guide, on the lower member, which shall provide a 10 + 1 degrees protrusive incisal guidance. The articulator shall not require the use of a cast mounting ring, but sha
7、ll have depressions into which stone shall be poured. After the stone has set, the casts shall be removed by pulling the tapered pins. The design and dimensions of the articulator shall be in accordance with Defense Personnel Support Center (DPSC) drawing number 24516. AMSC N/A FSC 6520 DISTRIBUTION
8、 STATEMENT A. Approved for public release; distribution is unlimited. -THIS DOCUMENT CONTAINS ame or registered trademark of the manufacturer. Articulator sf Eoreign-(ochee than U.S.) manufacture shall be marked with the name of the country of Origin, together with the name or registered trademark o
9、f the contractor, All marking shall be permanent and legible. Descriptive literature. Each articulator shall be furnished with literature (leaflet form) containing articulator descriptive information together with manufacturers paLt numbers for all components, Workmanehip. The articulator shall be t
10、ee from deeects which detract from its appearance or impair it6 serviceability, TABLE I. Components, materials and finishes, IQuant 3 ty I Component: I Ma te r ia1 IFinish I j I I I I I I IA-591 for composition I I i l lonly. I I I I I I I 1 Ilower memberlCast Aluminum Alloy No. IBaked satin,l 1356
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