Deciduous tooth metal preformed crown model selection ruler

A technology of prefabricated crowns and selection rulers, applied in dentistry, medical science, etc., can solve the problems of cumbersome procedures, increase the labor intensity of medical staff, prolong the time for replacing dental crowns, etc., achieve convenient use, simple structure, and reduce labor intensity effect

Active Publication Date: 2021-03-30
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the prior art, traditional Chinese medicine nurses make dental crowns for children instead of taking models like adults. Since children are too young and their teeth have just grown, the sizes are basically the same, so prefabricated dental crowns with ready-made sizes can be used. There are different types of crowns, and the doctor has to measure the size of the crowns one by one after measuring the size of the children's teeth to choose the appropriate crown. labor intensity

Method used

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  • Deciduous tooth metal preformed crown model selection ruler
  • Deciduous tooth metal preformed crown model selection ruler
  • Deciduous tooth metal preformed crown model selection ruler

Examples

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Embodiment Construction

[0015] see Figure 1 to Figure 6 As shown, the metal prefabricated crown model selection ruler for deciduous teeth includes base ruler 1, sliding ruler 2, indicator rod 3 and transparent scale sleeve 4;

[0016] The bottom of the base ruler 1 is rotatably connected to the upper end of the transparent scale sleeve 4, the sliding ruler 2 is slidably connected inside the base ruler 1 and the bottom of the sliding ruler 2 extends to the inside of the transparent scale sleeve 4, and the bottom of the sliding ruler 2 is fixedly connected to an indicator rod 3, the base Both the head end of the ruler 1 and the head end of the sliding ruler 2 are provided with pins 5, which are used to engage the teeth to measure the size of the teeth. The bottom of the base ruler 1 is fixedly connected with a circular positioning ring 10, which 10 is provided with a positioning chute 11, and four positioning holes 12 are evenly arranged on the positioning chute 11. The upper end of the transparent sc...

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Abstract

The invention relates to a deciduous tooth metal preformed crown model selection ruler, which comprises a base ruler, the bottom of the base ruler is rotationally connected to the upper end of a transparent scale sleeve, a sliding ruler is slidably connected into the base ruler, the bottom of the sliding ruler extends into the transparent scale sleeve, an indication rod is fixedly connected to thebottom of the sliding ruler, and clamping needles are arranged at the head end of the base ruler and the head end of the sliding ruler. The clamping needle is used for clamping teeth to achieve measurement of the tooth size, the transparent scale sleeve is provided with a left upper quadrant, a right upper quadrant, a right lower quadrant and a left lower quadrant in the circumferential direction, and scales extending in the axial direction are arranged on the portions, located on the left upper quadrant, the right upper quadrant, the right lower quadrant and the left lower quadrant, of the transparent scale sleeve. The product has the advantages of simple structure and convenient usage, the tooth size can be better measured, meanwhile, a proper dental crown is directly selected accordingto the measurement result, and the labor intensity of medical staff is relieved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a type selection ruler for metal prefabricated crowns of deciduous teeth. Background technique [0002] In the prior art, traditional Chinese medicine nurses make dental crowns for children, instead of taking models like adults. Since children are too young, their teeth have just grown, and the sizes are basically the same, so prefabricated dental crowns with ready-made sizes can be used. There are different types of crowns, and the doctor has to measure the size of the crowns one by one after measuring the size of the children's teeth to choose the appropriate crown. Labor intensity of personnel. Contents of the invention [0003] The object of the present invention is to provide a type selection ruler for metal prefabricated crowns of deciduous teeth aiming at the problems and deficiencies in the background technology. [0004] Deciduous metal prefabricated crown mo...

Claims

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Application Information

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IPC IPC(8): A61C19/04
CPCA61C19/04
Inventor 王秀丽
Owner JILIN UNIV
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