KR101689738B1 - Apparatus for measuring bite force - Google Patents

Apparatus for measuring bite force Download PDF

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Publication number
KR101689738B1
KR101689738B1 KR1020150131568A KR20150131568A KR101689738B1 KR 101689738 B1 KR101689738 B1 KR 101689738B1 KR 1020150131568 A KR1020150131568 A KR 1020150131568A KR 20150131568 A KR20150131568 A KR 20150131568A KR 101689738 B1 KR101689738 B1 KR 101689738B1
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KR
South Korea
Prior art keywords
pad
pressure sensor
tooth contact
occlusal force
patient
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KR1020150131568A
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Korean (ko)
Inventor
신관섭
조은호
한혜선
최자혜
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울산과학기술원
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Priority to KR1020150131568A priority Critical patent/KR101689738B1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • A61C19/05—Measuring instruments specially adapted for dentistry for determining occlusion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The present invention relates to an apparatus for measuring an occlusal force, the apparatus comprising: a first tooth contact pad having one surface in contact with a part of an upper teeth of a patient; A second tooth contact pad which is in contact with a part of the mandibular teeth of the patient on one side and is provided symmetrically with respect to the first tooth contact pad; A pressure sensor provided between the first and second tooth contact pads for measuring an occlusal force generated when the upper and lower teeth of the patient are engaged; And between the pressure sensor and the first tooth contact pad. And an occlusal force transmitting pad provided between the pressure sensor and the second toothed contact pad for uniformly dispersing and transmitting the occlusal force transmitted from the first or second toothed contact pad to the pressure sensor do.

Description

[0001] Apparatus for measuring bite force [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for measuring an occlusal force, and more particularly, to an apparatus for measuring an occlusal force capable of measuring an occlusal force at the molars and the front teeth of the right and left sides of a patient.

From the diagnosis of the patient's condition in dental care and from the treatment to the periodic checkup, accurate information on the forces associated with the occlusion encountered by the teeth and upper and lower dental arches It is important.

By acquiring information related to these occlusions, preventive procedures can be performed by detecting premature contact or overcorrection which causes a lot of problems in natural teeth in advance.

However, all restorative treatments that have been performed in dentistry until recently, for example, in the case of removing the cavity and filling or repairing the lost tooth with an artificial prosthesis, rely only on the dentist's sense and experience It is true. In addition, recently, the number of implants that have different anatomical structures from natural teeth has increased, and the limitations of occlusion and dentist 's sense and experience have limited the part of occlusion that determines long - term prognosis after the procedure.

If the individual has different oral hygienic habits such as irritation and irritation, or different muscles, the occlusal pressure is different for each individual, and if it depends on the sense and experience of the dentist, , There is a problem in that the procedure for reinforcing it is continuously generated.

Conventionally known occlusion pressure measuring instruments include "Dental Prescale system", "Photoocclusion" and "T-Scan" which use a pressure sensitive recording material. Such a conventional occlusal pressure measuring apparatus has a disadvantage in that it only records the moment of maximum engagement in which the occlusion occurs between the upper and lower teeth with the recording paper interposed therebetween. Because the recording paper is wrinkled, the number of times of occlusal pressure measurement is limited. In addition, the measurement of the occlusal force is performed for the entire tooth. In practice, the numerical value of the occlusal force is required only in a part, and the accuracy of the measurement of the occlusal force of the entire tooth is lower.

Korean Patent Publication No. 10-2011-0067682

An object of the present invention is to provide an apparatus for measuring an occlusal force capable of measuring an occlusal force at the right and left molars and the front teeth of a patient.

The present invention provides a tooth contact pad comprising: a first tooth contact pad having a first surface contacting a part of a maxillary teeth of a patient; A second tooth contact pad which is in contact with a part of the mandibular teeth of the patient on one side and is provided symmetrically with respect to the first tooth contact pad; A pressure sensor provided between the first and second tooth contact pads for measuring an occlusal force generated when the upper and lower teeth of the patient are engaged; And between the pressure sensor and the first tooth contact pad. And an occlusal force transmitting pad provided between the pressure sensor and the second tooth contact pad for uniformly dispersing and transmitting the occlusal force transmitted from the first or second toothed contact pads to the pressure sensor An apparatus for measuring an occlusal force is provided.

The apparatus for measuring an occlusal force according to the present invention has the following effects.

First, it is possible to manufacture an accurate measure of an occlusal force with a compact configuration including only the first and second tooth contact pads, the pressure sen, and the occlusal force transmitting pad.

Second, since the first tooth contact pad and the second tooth contact pad are deformed corresponding to the tooth shape of the patient when the occlusal force is generated on the surface of the patient's teeth, the first and second tooth contact pads are in contact with the teeth The area is increased, and the accurate bite force can be transmitted to the pressure sensor.

Third, the occlusal force transmitting pad is formed in a hemispherical shape or horn shape, and one convex side makes point contact with the first tooth contact pad and the second tooth contact pad, and the other flat side makes surface contact with the pressure sensor, The bite force transmitted to the pressure sensor is uniformly dispersed, and the effect of measuring the bite force more accurately can be obtained.

1 is a side view showing the construction of an apparatus for measuring an occlusal force according to an embodiment of the present invention.
2 is a side view showing the structure of the tooth contact pad of the occlusion force measuring apparatus shown in Fig.
FIGS. 3 and 4 show the state of the occlusal force measuring device according to FIG. 1 before and after the patient's upper and lower teeth are engaged with each other.
FIG. 5 is a side view showing the configuration of the occlusal force side storage according to another embodiment of the present invention.

1 to 5 show an apparatus for measuring an occlusal force according to the present invention.

1 to 4, the occlusal force measuring apparatus 100 includes a first tooth contact pad 110, a second tooth contact pad 120, A pressure sensor 150, and an occlusal force transmission pad 130.

The first tooth contact pad 110 is in contact with a part of the upper teeth of the patient and the second tooth contact pad 120 is in contact with a part of the lower teeth of the patient. The conventional occlusal force measuring apparatus has contacted the entire teeth because the occlusal force is measured from the entire teeth. However, the occlusal force measuring apparatus 100 according to the present embodiment has a part of teeth, that is, a set number of teeth on the left side, Or only the front teeth of the set number.

 1 and 2, the first tooth contact pad 110 and the second tooth contact pad 120 have the same configuration, and the second tooth contact pad 120 includes the first tooth contact pad 110, And are disposed symmetrically with respect to the first tooth contact pad 110 at predetermined intervals from the tooth contact pad 110. At this time, the distance between the first and second tooth contact pads 110 and 120 is set so as not to be too much for the occlusion force measuring apparatus 100 to be inserted into the patient's mouth.

Hereinafter, the first tooth contact pad 110 will be described as an example. The first tooth contact pad 110 includes a first pad portion 111 and a second pad portion 113. The first pad portion 111 is in contact with a part of the upper teeth of the patient and when the patient engages teeth of upper and lower malfunctions and occlusal force is generated, And is in close contact with some of the teeth.

If the contact surface of the first pad part 111 is not deformed, the occlusion force is not accurately transmitted to the pressure sensor 150 described later. However, as described above, when the contact surface of the first pad part 110 is deformed, the contact area between the first pad part 111 and a part of the teeth increases, (150).

Meanwhile, the first pad part 111 may be restored to an initial state when the occlusal force is removed. Therefore, the first pad portion 111 is formed to include a material having an elastic restoring force so that the first pad portion 111 can be restored to an initial state after being deformed. The material having elastic restoring force includes, for example, any one of a rubber material and a silicon material.

Figs. 3 and 4 show the posterior and posterior states of the patient before and after engaging the teeth of the upper and lower vagina. FIGS. 3 and 4 illustrate an example in which the bite-in strength measuring apparatus 100 is molten. 3 and 4, when the patient engages teeth of the upper and lower teeth, the first pad portion 111 of the first tooth contact pad 110 and the first pad portion 111 of the second tooth contact pad 120, The portion 121 is deformed to increase the contact area while filling the gap between the molar teeth of the patient and the first tooth contact pad 110 or the second tooth contact pad 120.

The second pad portion 113 supports the first pad portion 111 and is in contact with a surface opposite to a surface of the first pad portion 111 which is in close contact with the first pad portion 111, (111). The second pad portion 113 is formed of a material having greater rigidity than the first pad portion 111. The second pad portion 113 is formed of a material that supports the first pad portion 111 without being deformed by the occlusal force.

For example, the second pad portion 113 may be formed of a metal material having a greater rigidity than the first pad portion 111 and not deformed by the occlusal force, .

The first pad portion 111 and the second pad portion 113 are formed in a plate structure having various cross-sectional shapes. Illustratively, it may be formed in a plate structure having a circular section, but not limited thereto, and may be formed in various polygonal plate structures such as a square, a triangle, and the like.

The second tooth contact pad 120 includes a first pad portion 121 and a second pad portion 123 having the same configuration as the first tooth contact pad 110 as described above, Are the same as the first pad portion 111 and the second pad portion 113, detailed description thereof will be omitted.

The pressure sensor 150 is provided between the first and second tooth contact pads 110 and 120. The pressure sensor 150 measures an occlusal force of the patient transmitted to the first and second tooth contact pads 110 and 120. More specifically, when the occlusal force of the patient is transmitted from the first and second tooth contact pads 110 and 120 by the occlusal force transmitting pad 130, which will be described later, it is measured.

 The pressure sensor 150 may be, for example, a contact resistance type, a capacitive type, or a piezoelectric type. In this embodiment, the application of a piezoelectric pressure sensor is described as an example.

The occlusal force transmitting pad 130 transmits the occlusal force of the patient to the pressure sensor 150 from the first and second tooth contact pads 110 and 120 as described above. More specifically, the occlusion force of the patient is uniformly dispersed and transmitted to the pressure sensor 150.

Therefore, the occlusion force transmitting pad 130 is provided between the first tooth contact pad 110 and the pressure sensor 150, between the second tooth contact pad 120 and the pressure sensor 150, In the embodiment, the two occlusal force transmitting pads 130 are provided.

One side of the occlusal force transmission pad 130 is connected to the first tooth contact pad 110 or the second tooth contact pad 130 to uniformly disperse and transmit the occlusal force of the patient to the pressure sensor 150. [ Contact with the two-tooth contact pad 120, and the other side is in surface contact with the pressure sensor 150. More specifically, one side of the occlusion force transfer pad 130 is in point contact with the first tooth contact pad 110 or the second pad portion 113, 123 of the second tooth contact pad 120.

If the contact area between the first and second teeth contact pads 110 and 120 and the occlusion force transmitting pad 130 is wide, the bite force is transmitted to the pressure sensor 150 Are dispersed and uniformly dispersed in the pressure sensor 150 and are not transmitted.

 The occlusion force transmitting pad 130 is in point contact with the first or second teeth contacting pad 110 or 120 and is in contact with the pressure sensor 150, The transfer pad 130 is formed in a hemispherical shape as shown in Fig. The occlusal force transmitting pad 130 having a hemispherical shape is formed such that one side of the convex occlusion force transmitting pad 130 is connected to the second pad portion 113 of the first tooth contact pad 110 or the second tooth contact pad 120 of the first tooth contact pad 110, And the other side of the occlusal force transmitting pad 130, which is flat, is in contact with the pressure sensor 150. That is, the convex shape of the occlusion force transmitting pad 1300 makes point contact with the first tooth contact pad 110 or the second tooth contact pad 120.

When the patient is engaged with the upper and lower teeth of the patient in the state where the bite-on strength measuring apparatus 100 is in a door state, when the occlusal force is generated, a portion of the first tooth contact pad 110 and the occlusal force transmitting pad 130, The occlusal force is concentrated on the point-contacted portion of the second tooth contact pad 120 and the occlusal force transmitting pad 130.

The portion of the occlusal force transmitting pad 130 and the pressure sensor 150 which are in surface contact with each other is a point contact portion between the first and second teeth contact pads 110 and 130, 120 and the portion of the occlusion force transmitting pad 130 that are point-contacted with each other, the first tooth contact pad 110 and the second tooth contact pad 120 do not concentrate to any portion, The occlusion force transmitted from the pressure sensor 120 is distributed to the pressure sensor 150 while being uniformly dispersed.

5 shows the occlusion force measuring apparatus 100 'to which the occlusal force transmitting pad 130' according to another embodiment is applied. The occlusion force transmitting pad 130 'of the occlusion force measuring apparatus 100' shown in FIG. 5 is formed in a horn shape as shown in FIG. In this embodiment, the occlusion force transmitting pad 130 'is formed in a conical shape having a circular cross section. However, the present invention is not limited thereto, and the cross-section of the occlusion force transmitting pad 130 'may be formed in various polygonal horns. The convex one side of the occlusion force transmitting pad 130 'and the first and second tooth contact pads 110 and 120 are formed in the shape of a horn so that the occlusal force transmitting pad 130' The point contact can be made in the same manner as when the pad is formed into a hemispherical shape.

Meanwhile, the occlusal force measuring apparatus 100 may further include a display unit 170. The display unit 170 is electrically connected to the pressure sensor 150. The display unit 170 converts the occlusion force transmitted from the pressure sensor 150 into numerical values and displays the same to the examiner. The display unit 170 may include, for example, a computer, a smart device, and the like. Although not shown in the drawing, the display unit 170 includes a control unit (not shown), and a database (DB) of the occlusal force is stored in the control unit (not shown) (DB), and outputs the calculated value to the display unit (170).

1, it is assumed that the display unit 170 is a computer. However, since the apparatus 100 for measuring an occlusal force according to the present invention is expected to be used in dentistry, May be applied.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100, 100: an occlusal force measuring device 110: first tooth contact pad
120: second tooth contact pad 130, 130 ': an occlusal force transmitting pad
150: pressure sensor 170: display unit

Claims (9)

A first tooth contact pad having one surface contacting a portion of the upper teeth of the patient;
A second tooth contact pad which is in contact with a part of the mandibular teeth of the patient on one side and is provided symmetrically with respect to the first tooth contact pad;
A pressure sensor provided between the first and second tooth contact pads for measuring an occlusal force generated when the upper and lower teeth of the patient are engaged; And
And an occlusal force transmitting pad provided between the pressure sensor and the first tooth contact pad and between the pressure sensor and the second tooth contact pad, respectively,
The occlusion force transmitting pad is formed in a hemispherical shape with one side convex,
The convex side of the occlusal force transmitting pad is in point contact with the first or second tooth contact pads so that the occlusal force generated by the engagement of the upper and lower teeth of the patient is concentrated,
Wherein the other side of the occlusal force transmitting pad is in surface contact with the pressure sensor so that the occlusion force concentrated on the convex side is uniformly dispersed and transmitted to the pressure sensor. A first tooth contact pad having one surface contacting a portion of the upper teeth of the patient;
A second tooth contact pad which is in contact with a part of the mandibular teeth of the patient on one side and is provided symmetrically with respect to the first tooth contact pad;
A pressure sensor provided between the first and second tooth contact pads for measuring an occlusal force generated when the upper and lower teeth of the patient are engaged; And
And an occlusal force transmitting pad provided between the pressure sensor and the first tooth contact pad and between the pressure sensor and the second tooth contact pad, respectively,
The occlusion force transmitting pad is formed in a conical shape with one side convex,
The convex side of the occlusal force transmitting pad is in point contact with the first or second tooth contact pads so that the occlusal force generated by the engagement of the upper and lower teeth of the patient is concentrated,
Wherein the other side of the occlusal force transmitting pad is in surface contact with the pressure sensor so that the occlusion force concentrated on the convex side is uniformly dispersed and transmitted to the pressure sensor. The method according to claim 1 or 2,
Wherein each of the first tooth contact pad and the second tooth contact pad comprises:
A surface of the upper teeth that is in close contact with a part of the upper teeth or a part of the lower teeth and is brought into close contact with the upper teeth to increase a contact area with a part of the upper teeth or a part of the lower teeth is deformed by the occlusal force, A first pad portion formed of a material having an elastic restoring force so as to be restored to an initial state when the first pad portion is removed; And
And a second pad portion provided on a surface opposite to a surface to which the first pad portion is brought into close contact and supporting the first pad portion. The method of claim 3,
Wherein the elastic restoring force includes any one of a rubber material and a silicone material. The method of claim 3,
And the second pad portion is formed of a material having greater rigidity than the first pad portion so as not to be deformed by the occlusal force. The method of claim 5,
And the second pad portion comprises a metallic material. The method according to claim 1 or 2,
The apparatus for measuring an occlusal force,
And a display unit electrically connected to the pressure sensor and outputting an occlusal force of the patient measured through the pressure sensor. delete delete
KR1020150131568A 2015-09-17 2015-09-17 Apparatus for measuring bite force KR101689738B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107260188A (en) * 2017-07-19 2017-10-20 东南大学 A kind of multi-direction occlusion force measuring device based on force snesor
CN107397598A (en) * 2017-07-12 2017-11-28 青岛市中心医院 A kind of multifunctional oral cavity instrument for repairing
CN109662724A (en) * 2017-10-13 2019-04-23 上海交通大学医学院附属第九人民医院 Mouth opening measuring device
KR101979201B1 (en) * 2018-07-05 2019-05-17 주식회사 디메텍 Device and method for bite force measurement of tooth
KR20200040579A (en) * 2018-10-10 2020-04-20 인제대학교 산학협력단 chewing movement means with built-in sensor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6352023A (en) * 1986-08-22 1988-03-05 Canon Inc Pressure sensor
JPH08252245A (en) * 1995-03-16 1996-10-01 Nagano Keiki Seisakusho Ltd Occlusive force meter
JP2007151819A (en) * 2005-12-05 2007-06-21 National Institute Of Advanced Industrial & Technology Occlusal force measuring instrument
KR20110067682A (en) 2009-12-15 2011-06-22 이화여자대학교 산학협력단 Device and method for bite force measurement of tooth
KR101152709B1 (en) * 2010-05-13 2012-06-15 (주)덴토스 Tooth pressure measurement apparatus by sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6352023A (en) * 1986-08-22 1988-03-05 Canon Inc Pressure sensor
JPH08252245A (en) * 1995-03-16 1996-10-01 Nagano Keiki Seisakusho Ltd Occlusive force meter
JP2007151819A (en) * 2005-12-05 2007-06-21 National Institute Of Advanced Industrial & Technology Occlusal force measuring instrument
KR20110067682A (en) 2009-12-15 2011-06-22 이화여자대학교 산학협력단 Device and method for bite force measurement of tooth
KR101152709B1 (en) * 2010-05-13 2012-06-15 (주)덴토스 Tooth pressure measurement apparatus by sensor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107397598A (en) * 2017-07-12 2017-11-28 青岛市中心医院 A kind of multifunctional oral cavity instrument for repairing
CN107260188A (en) * 2017-07-19 2017-10-20 东南大学 A kind of multi-direction occlusion force measuring device based on force snesor
CN107260188B (en) * 2017-07-19 2020-03-31 东南大学 Multi-direction occlusal force measuring device based on force sensor
CN109662724A (en) * 2017-10-13 2019-04-23 上海交通大学医学院附属第九人民医院 Mouth opening measuring device
KR101979201B1 (en) * 2018-07-05 2019-05-17 주식회사 디메텍 Device and method for bite force measurement of tooth
KR20200040579A (en) * 2018-10-10 2020-04-20 인제대학교 산학협력단 chewing movement means with built-in sensor
KR102199230B1 (en) * 2018-10-10 2021-01-07 인제대학교 산학협력단 chewing movement means with built-in sensor

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