Standards for orthodontic materials

International Journal of Orthodontia and Dentistry for Children Pub Date : 1935-11-01 DOI:10.1016/S0097-0522(35)80001-4

Wilmer Souder Ph.D., F.A.C.D. (Chief of Dental Research Laboratory, National Bureau of Standards)

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引用次数: 1

Abstract

1.
Wrought gold alloys for the orthodontist are now available in uniformly high quality.

2.
Marked improvement in physical or chemical properties of these alloys is not anticipated in the near future.

3.
Decided improvements in the uniformity and service of most appliances can be secured by a proper heat treatment,

4.
Structurally and mechanically the base metal alloys offered as substitutes for the gold alloys have not established their superiority and may carry a health hazard.

5.
Zinc phosphate cements are at this date undergoing decided improvements in quality.

6.
Adequate instructions for mixing these cements are being supplied.

7.
After July 1, 1935, much of the chaos in the selection and manipulation of these cements will disappear.

8.
By purchasing materials guaranteed to meet the specifications adopted by the American Dental Association the orthodontist will secure the best materials available.

9.
By using these materials according to manufacturers' instructions the orthodontist will supply the best service to his patients.

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正畸材料标准

1.正牙医生用的锻造金合金现在都有统一的高质量。这些合金的物理或化学性能在不久的将来不会有显著的改善。3 .大多数器具的均匀性和使用寿命的明显改善可以通过适当的热处理来保证。从结构和机械上说，作为金合金替代品的贱金属合金尚未确定其优越性，可能会对健康造成危害。磷酸锌胶合剂目前在质量上正在进行决定性的改进。提供了搅拌这些水泥的充分说明。1935年7月1日以后，在这些水泥的选择和操作方面的许多混乱将消失。通过购买保证符合美国牙科协会采用的规格的材料，正畸医生将确保获得最好的材料。通过根据制造商的说明使用这些材料，正畸医生将为他的病人提供最好的服务。

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来源期刊

International Journal of Orthodontia and Dentistry for Children

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