A shoulder measuring ruler specially used for dentistry

A measuring ruler and shoulder technology, which is applied in dentistry, medical science and other directions, can solve problems such as large errors, and achieve the effects of low manufacturing cost, easy disinfection and sterilization, and convenient use.

Inactive Publication Date: 2015-12-09
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is still a lack of tools and methods for measuring the width of the shoulder in clinical practice. The width of the shoulder is often based on the doctor's experience and "visual inspection". It is affected by factors such as observation angle, tooth color, and light. This "visual" error larger

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  • A shoulder measuring ruler specially used for dentistry
  • A shoulder measuring ruler specially used for dentistry
  • A shoulder measuring ruler specially used for dentistry

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] A dental shoulder measuring ruler, such as figure 1 As shown, it consists of 1 handle 1, 2 connecting arms 2 and 2 measuring heads (measuring head A3, measuring head B4), among which, 2 connecting arms 2 are respectively connected to both ends of the handle 1, and the connection method is a pin shaft The connecting arm 2 can move in a two-dimensional direction; the two measuring heads are respectively connected to the ends of the two connecting arms 2 in a spherical concave movable joint connection, and the measuring head can rotate in a three-dimensional direction.

[0019] The handle 1 is a cylinder with a length of 15 cm and a diameter of 0.5 cm; the connecting arm 2 is a circular frustum with a length of 2.5 cm and a diameter gradually changing from 0.5 cm to 0.3 cm (the diameter gradually decreases from near the end of the handle to away from the end of the...

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Abstract

The present invention discloses a special dental shoulder measurement rule, which comprises a handle, two connection arms and two measurement heads, wherein the two connection arms are respectively connected on both ends of the handle, the connection manner is a pin shaft type moveable joint connection, the two measurement heads are respectively connected with the ends of the two connection arms, the connection manner is a ball recessing type moveable joint connection, and the end of the measurement head is provided with scales. According to the present invention, the special dental shoulder measurement rule can be provided for measuring the shoulder width after tooth preparation in the narrow oral cavity space from various direction and various positions so as to further refine mouth rehabilitation, wherein the use effect is better by matching with a dental magnifier; and the special dental shoulder measurement rule has characteristics of low cost, easy use and easy disinfection and sterilization, easy achievement of clinical promotion use, and easy achievement of oral clinical medicine teaching.

Description

technical field [0001] The invention relates to a shoulder measuring ruler specially used for dentistry. Background technique [0002] The width of the tooth preparation shoulder for dental restoration has a great influence on the performance of porcelain-fused-to-metal crowns and all-ceramic crowns. At present, there is still a lack of tools and methods for measuring the width of the shoulder in clinical practice. The width of the shoulder is often based on the doctor's experience and "visual inspection". It is affected by factors such as observation angle, tooth color, and light. This "visual" error larger. Contents of the invention [0003] In view of the above situation, in order to objectively measure the width of the shoulder of oral restorative tooth preparation, the present invention provides a special shoulder measuring ruler for dentistry. Due to its special design, it can be used from all directions and various parts in the narrow space of the oral cavity. Mea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C19/04
Inventor 汲平赵晓王慧
Owner SHANDONG UNIV
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