JP6366920B2 - Improved toothbrush - Google Patents

Description

  The present invention relates to an improved toothbrush, and more particularly, to an improved toothbrush that can efficiently remove plaque between teeth that cause dental caries and periodontal disease, and can remove tongue coating that causes bad breath when brushing teeth.

Common toothbrushes include those with 3 to 6 rows of flocking, and the tip of the hair is round cut or processed to 0.1 mm or less to make it easier to remove dirt between teeth and back teeth, and gums There are things that stimulate the skin, and there are not only flat cutting but also mountain cutting.
The cause of dental caries and periodontal disease is plaque (plaque), which is a lump of living bacteria. Plaque is difficult to dissolve in water and sticks to the teeth because it is sticky. is there.
The purpose of brushing teeth is to remove plaque that causes tooth decay and periodontal disease.

It is said that there are more than ten types of tooth brushing methods, but the main methods include rolling method, horizontal method, scrubbing method, Fawns method, bath method, and vertical brushing method.
Among them, the bath method and the vertical polishing method are excellent in plaque removal effect.
In the bath method, the tip of the tooth is 45 ° with respect to the shaft, and the tip of the hair is brought into contact with the boundary between the tooth and the gum, and is laterally pressurized and vibrated. The plaque removal effect and gingival massage effect are good, but it is difficult to polish as determined.
In the vertical brushing method, the tip of the hair is applied to the tooth surface so as to be 90 degrees and reciprocated in the vertical direction. The plaque removal effect is good, but the gingival massage effect is inferior, and there are many teeth that are difficult to brush as prescribed.

As described above, there are a dozen types of toothbrushing methods, but it is difficult to brush as determined, and it is the actual situation that each person is brushing in a manner that is easy to brush.
Therefore, there has been a demand for a toothbrush that can easily remove plaque even if it is polished by a method that is easy to polish, and that can easily remove plaque and can easily remove tongue coating without changing tools.

JP 2004-16358 A

  An object of the present invention is to provide a toothbrush that can reliably and efficiently remove tongue coating that causes bad breath when brushing teeth, as well as plaque between teeth that causes tooth decay and periodontal disease.

A flat attachment handle portion having a predetermined width is formed at the distal end portion in the length direction of the handle gripped by the finger, and a finger suspension portion serving as a finger suspension at the time of brushing is formed at an intermediate portion in the length direction of the handle. The hair bundle for brushing teeth is planted in three rows along the length direction of the handle, and the tongue coating is scraped on the other surface of the attachment handle portion. A toothbrush in which the attachment handle portion can be used for both tooth brushing and tongue coating removal by projecting a tooth,
The three rows of hair bundles are two rows of outer hair bundle portions planted on both sides in the width direction of the attachment handle,
It consists of one row of inner hair bundles planted between two rows of hair bundle portions,
The two rows of outer hair bundle portions have a horseshoe shape formed in an arc shape swelled in a direction away from each other toward the outside of the attachment handle portion,
The inner hair bundle portion has an upright shape having a length that fits inside a horseshoe shape formed by two rows of outer hair bundle portions,
A plurality of tongue coating scraping teeth are provided at a predetermined interval in the length direction or width direction of the attachment handle portion,
The tongue coating scraping teeth are pointed as the distance from the attachment handle portion protrudes from the attachment handle portion,
A cross-sectional shape of the tongue coating scraping teeth projecting from the attachment handle portion in the form of a pointed tip is inclined toward the handle portion of the handle 1 .

  The finger suspension part 5 is a hole or a recess having a dimension in which at least one finger can be inserted.

According to the present invention, the front and back surfaces of teeth are polished by two rows of hair bundles planted at both ends in the width direction having a horseshoe-shaped cross section, and the upper surface of the teeth is formed by one row of hair bundles planted in the center in the width direction. At the same time, brushing and brushing teeth can be performed efficiently, and tongue coating can be removed at the tip of the handle simply by reversing the handle.
In particular, during the removal of tongue coating, the tongue coating can be efficiently removed without slipping the handle by inserting and fixing the finger into the finger fixing hole.

FIG. 3 is a perspective view of a flocked surface of an improved toothbrush according to the present invention. It is an enlarged view of the top cross section which shows the flocked state of the improved type toothbrush by this invention. 1 is a side view of an improved toothbrush according to the present invention. FIG. It is the figure of the back surface in which the tongue coating scraping tooth of the improved type toothbrush by this invention was provided. It is an illustration figure which shows a contact state with the dentition at the time of brushing of the improved type toothbrush by this invention. It is an example of utilization of the finger suspension part of the improved type toothbrush by this invention. It is a figure which shows the tongue coating removal condition by the improved type toothbrush by this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view of the improved toothbrush of the improved toothbrush according to the present invention, FIG. 2 is an enlarged view of a top cross section showing the improved state of the improved toothbrush, and FIG. 3 is a side view of the improved toothbrush. FIG. 5 is a back view of the improved toothbrush with the tongue coating scraped teeth, FIG. 5 is an exemplary view showing a contact state with the tooth row when brushing the improved toothbrush, and FIG. 6 is a finger suspension of the improved toothbrush. FIG. 7 is a diagram showing a state of removing tongue coating using an improved toothbrush.

The improved toothbrush of the present invention, as shown in FIGS. 1, 4, and 5, has a handle 1 that is a toothbrush body, a flat attachment handle 2 having a predetermined width at a tip portion in the length direction of the handle 1, and The finger suspension part 5 which becomes a finger suspension at the time of brushing the tooth in the middle part in the length direction of the handle 1, the toothbrushing hair bundle 3 on one side of the attachment handle part 2, and the tongue coating scraping of the other side of the attachment handle part 2 And teeth 4.
As shown in FIGS. 1 and 2, the three rows of hair bundles 3 are arranged between two rows of outer hair bundle portions 6 planted on both sides in the width direction of the attachment handle portion 2 and two rows of outer hair bundle portions 6. It consists of one row of inner hair bundle portions 7 that are planted, and two rows of outer hair bundle portions 6 have a horseshoe shape that is formed in an arc shape that swells away from each other toward the outside of the attachment handle portion 2. The inner hair bundle portion 7 has an upright shape having a length that fits inside the horseshoe shape formed by the two rows of outer hair bundle portions 6, and the tongue coating scraping teeth 4 are in the length direction of the attachment handle portion 2. A plurality of projections are provided at predetermined intervals.

In the embodiment of the present invention, the length of the handle 1 is 165 mm, the length of the attachment handle portion 2 is 30 mm, the width of the attachment handle portion 2 is 10 mm, and the width is 7 to 12 mm at a position 60 mm to 75 mm from the tip of the handle 1. Therefore, the width of the handle 1 is expanded to 25 mm in the portion of the handle 1 of the handle 1.
The two rows of outer hair bundle portions 6 are each planted at a location of 1 mm from both side surfaces of the handle 1, and the inner hair bundle portion 7 is planted at the center in the width direction of the handle 1.
As shown in FIG. 2, the outer hair bundle portion 6 has a horseshoe-shaped cross section of the handle 1, and two rows of outer hair bundle portions 6 extend from the base of the handle 1 and face each other at the tip of the outer hair bundle portion 6. The height from the base up to the position to be fixed is 10 mm, the maximum width of the horseshoe-shaped cross section is 11 mm, and the height of the inner hair bundle portion 7 planted in the center in the width direction is 4 mm.

As shown in FIG. 4, in the embodiment of the present invention, the tongue coating removing portion 4 for scraping tongue coating provided on the surface opposite to the surface on which the hair bundle 3 is implanted is made of a resin integrally formed with the handle, The projecting portion is composed of four and two, and the cross-sectional shape is inclined toward the handle portion of the handle 1 in the direction as shown in the enlarged view of FIG. This shape makes it easy to remove tongue coating when the toothbrush moves the handle 1 in the direction of the handle.
In the embodiment of the present invention, the tongue coating scraping teeth 4 are formed of resin-shaped protruding portions, but the tongue coating scraping teeth 4 have a shape parallel to the width direction of the handle 1, a right angle direction, or a handle width. It may be formed from a continuous protrusion having an arbitrary inclination with respect to the direction, or a plurality of resin protrusions having a circular or polygonal cross section, or the hair bundle itself.

FIG. 5 is a view showing a contact state between the improved toothbrush of the present invention and a tooth row used for brushing.
Since the improved toothbrush of the present invention includes the horseshoe-shaped outer hair bundle portion 6 and the inner hair bundle portion 7 at the center in the width direction of the handle 1, as shown in FIG. When the brush is moved along, the tip of the outer hair bundle portion 6 can contact the front and back of the tooth, and the tip of the inner hair bundle portion 7 can contact the top of the tooth. It is efficient.
Further, in this state, the gingival part can be massaged efficiently by applying a slight force to the handle 1 to bring the outer hair bundle part 6 into contact with the gingival part.
Healthy gingiva is light pink, and the capillaries inside the gingiva are actively supplementing oxygen and nutrients and excreting metabolites, so gingival massage strengthens the surface of the gingiva and promotes blood flow. It is said to have an effect of promoting metabolism.

FIG. 6 is a diagram showing a situation in which a thumb is fixed to the finger suspension 5 and toothpaste, gum massage, or tongue coating is removed. Depending on the method of brushing teeth, it is also effective to fix the index finger or the like instead of the thumb.
FIG. 7 is a diagram showing how tongue coating is removed by the improved toothbrush of the present invention, and how tongue coating is removed when the chevron protrusion is parallel to the width direction of the handle 1 (A) and at right angles (B). Is shown.
The improved toothbrush of the present invention is very convenient because it can perform tongue coating conditions simultaneously with the toothbrush.

According to the present invention, the front and back surfaces of teeth are polished by two rows of hair bundles planted at both ends in the width direction having a horseshoe-shaped cross section, and the upper surface of the teeth is formed by one row of hair bundles planted in the center in the width direction. At the same time, brushing and brushing teeth can be performed efficiently, and tongue coating can be removed at the tip of the handle simply by reversing the handle.
In particular, during the removal of tongue coating, the tongue coating can be efficiently removed without slipping the handle by inserting and fixing the finger into the finger fixing hole.

DESCRIPTION OF SYMBOLS 1 Handle 2 Attached handle 3 Hair bundle 4 Tongue scraping tooth 5 Finger suspension part 6 Outer hair bundle part 7 Inner hair bundle part

Claims (2)

A flat attachment handle portion having a predetermined width is formed at the distal end portion in the length direction of the handle gripped by the finger, and a finger suspension portion serving as a finger suspension at the time of brushing is formed at an intermediate portion in the length direction of the handle. The hair bundle for brushing teeth is planted in three rows along the length direction of the handle, and the tongue coating is scraped on the other surface of the attachment handle portion. A toothbrush in which the attachment handle portion can be used for both tooth brushing and tongue coating removal by projecting a tooth,
The three rows of hair bundles are two rows of outer hair bundle portions planted on both sides in the width direction of the attachment handle,
It consists of one row of inner hair bundles planted between two rows of hair bundle portions,
The two rows of outer hair bundle portions have a horseshoe shape formed in an arc shape swelled in a direction away from each other toward the outside of the attachment handle portion,
The inner hair bundle portion has an upright shape having a length that fits inside a horseshoe shape formed by two rows of outer hair bundle portions,
A plurality of tongue coating scraping teeth are provided at a predetermined interval in the length direction or width direction of the attachment handle portion,
The tongue coating scraping teeth are pointed as the distance from the attachment handle portion protrudes from the attachment handle portion,
An improved toothbrush characterized in that the cross-sectional shape of the tongue coating scraping teeth projecting from the attachment handle portion in a pointed shape is inclined toward the handle portion of the handle 1 . 2. The improved toothbrush according to claim 1, wherein the finger suspension part is a hole or a recess having a dimension into which at least one finger can be inserted.

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