Monofilament dental band, dental floss roll and dental floss pick

By designing corrugated sections and guiding sections on the monofilament belt, the problem of breaking and sliding in the monofilament belt when cleaning the teeth is solved, and the effect of efficient cleaning and protection of gums is achieved.

CN223041637UActive Publication Date: 2025-07-01DUPONT XINGDA FILAMENTS CO LTD
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Patent Information

Application Number
CN202421724630.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-07-01
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

Existing monofilament bands are prone to break when cleaning teeth and are difficult to effectively scrape plaque and food residues. Inadequate thickness affects tensile strength and the structure is not easy to slide into the teeth.

Method used

A monofilament band is designed with a corrugated section in the shape of an elongated strip, including a first corrugated section and a superimposed second corrugated section, with a wavelength and amplitude designed in proportion, and a guide section is provided at the edges to enhance flexibility and cleaning capacity.

Benefits of technology

Improves the cleaning efficiency of monofilament bands and the ability to enter narrow gaps, protects the gums from wear, and the coating provides lubricating and antibacterial effects, enhancing tensile strength and stability of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application discloses a monofilament dental band characterized in that the monofilament dental band has an elongated strip shape extending in a first direction and includes a wavy section in a cross-section in a second direction, the second direction being perpendicular to the first direction; the wave-shaped section comprises a first wave-shaped part and a second wave-shaped part; the first wave-shaped part comprises a plurality of wave units which are connected in sequence; the second wave-shaped part comprises one or more secondary wave units superposed on each wave unit of the first wave-shaped part; the wavelength of each wave unit of the first wave-shaped part is larger than that of each secondary wave unit of the second wave-shaped part; an amplitude of each wave cell of the first wave portion is greater than an amplitude of each secondary wave cell of the second wave portion. The utility model further discloses a dental floss roll formed by the monofilament tooth band and a dental floss pick formed by the monofilament tooth band.
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Description

Technical Field

[0001] This application relates to the field of dental cleaning tools, and particularly to a monofilament dental tape, a dental floss roll composed of the monofilament dental tape, and a dental floss rod composed of the monofilament dental tape. Background Art

[0002] A monofilament dental tape is a tool for cleaning dental floss spaces, which removes food residues and dental plaque in the dental floss spaces by means of friction and translation. In order to smoothly slide into the dental floss space, the thickness of the monofilament dental tape should be thin enough. However, an overly thin thickness will have a negative impact on the tensile strength of the monofilament dental tape, making the monofilament dental tape prone to breakage when tensioned. In order to effectively scrape off food residues and dental plaque attached to the tooth surface, the side of the monofilament dental tape in contact with the tooth surface should have an uneven structure. However, such a structure will in turn increase the thickness of the monofilament dental tape, making it difficult to slide into the dental floss space.

[0003] It is desirable to develop a monofilament dental tape that can easily slide into the dental floss space, has a certain tensile strength, and has a structure that is conducive to effectively scraping off food residues and dental plaque attached to the tooth surface. Summary of the Utility Model

[0004] To solve the above technical problems, this application proposes a monofilament dental tape, characterized in that the monofilament dental tape has an elongated strip shape extending in a first direction and includes a wavy section in a cross-section along a second direction perpendicular to the first direction; the wavy section includes a first wavy part and a second wavy part; the first wavy part includes a plurality of wave units connected in sequence; the second wavy part includes one or more secondary wave units superimposed on each wave unit of the first wavy part; the wavelength of each wave unit of the first wavy part is greater than the wavelength of each secondary wave unit of the second wavy part; the amplitude of each wave unit of the first wavy part is greater than the amplitude of each secondary wave unit of the second wavy part.

[0005] According to an optional embodiment, the monofilament dental tape includes one or two guiding sections; the guiding sections are arranged at the edges of the wavy section; the guiding sections include a connecting part close to the wavy section and a guiding part far from the wavy section; the guiding part has a smoothly extending arc surface.

[0006] According to an alternative embodiment, in the case where the monofilament dental tape is not under external force, the height of the wavy section ranges from 40 to 200 μm, preferably from 60 to 170 μm, more preferably from 80 to 150 μm; in the case where the monofilament dental tape is not under external force, the width of the wavy section ranges from 700 to 3000 μm, preferably from 700 to 2000 μm, more preferably from 1000 to 2000 μm; the width of the guiding section ranges from 50 to 550 μm.

[0007] According to an alternative embodiment, the first wavy part includes 2 to 25 wave units, preferably 5 to 10 wave units; the wavelength of each wave unit ranges from 60 to 800 μm, preferably from 100 to 600 μm, more preferably from 150 to 500 μm; the amplitude of each wave unit ranges from 0 to 90 μm, preferably from 2 to 50 μm, more preferably from 3 to 25 μm; the wavelength of each secondary wave unit ranges from 20 to 600 μm, preferably from 30 to 400 μm, more preferably from 40 to 200 μm; the amplitude of each secondary wave unit ranges from 0 to 50 μm, preferably from 1 to 25 μm, more preferably from 2 to 15 μm; the wavelength of each wave unit does not exceed 20 times, preferably does not exceed 10 times, more preferably does not exceed 4 times the wavelength of each secondary wave unit; and the traveling direction of each secondary wave unit changes along with the contour of the first wavy part.

[0008] According to an alternative embodiment, the thickness of the wavy section is uniform and ranges from 20 to 120 μm, preferably from 30 to 90 μm, more preferably from 40 to 80 μm.

[0009] According to an alternative embodiment, the thickness of the wavy section is not uniform; the maximum value of the thickness of the wavy section does not exceed 6 times, preferably does not exceed 2 times the minimum value; the thickness of the wavy section ranges from 20 to 120 μm, preferably from 30 to 90 μm, more preferably from 40 to 80 μm.

[0010] According to an alternative embodiment, the first wavy part is composed of wave units in the shape of one or more of a triangle, a circular arc, a sine wave, a rectangle, and other polygons connected in sequence, and has a fillet contour at the turning part; the second wavy part is composed of secondary wave units in the shape of one or more of a triangle, a circular arc, a sine wave, a rectangle, and other polygons, and has a fillet contour at the turning part.

[0011] According to an alternative embodiment, the monofilament dental tape is made of a polyamide-based thermoplastic elastomer, a polyether ester thermoplastic elastomer, a polyolefin-based thermoplastic elastomer, a thermoplastic polyurethane elastomer, a styrenic block copolymer elastomer, a polyolefin with a tensile modulus of less than 1 GPa, or a polybutylene succinate with a tensile modulus of less than 1 GPa, preferably made of a polyamide-based thermoplastic elastomer or a polyether ester thermoplastic elastomer, and more preferably made of a polyether ester thermoplastic elastomer.

[0012] According to an alternative embodiment, the monofilament dental tape includes a coating applied to its surface; the coating is made of a lubricant, a release agent, an abrasive, a whitening agent, an active agent, an olfactory stimulant, a sialagogue, a sensory stimulant, an essential oil, a fragrance, an antibacterial agent, or an antiviral agent.

[0013] The present application also provides a dental floss roll, which includes a dental floss roll housing, a dental floss reel disposed in the dental floss roll housing, and the monofilament dental tape wound around the dental floss reel.

[0014] The present application also provides a dental floss holder, which includes a dental floss holder bracket, and the monofilament dental tape connected between different ends of the dental floss holder bracket.

[0015] The monofilament dental tape, dental floss roll, and dental floss holder according to the present application have the following technical effects. This corrugated structure of the monofilament dental tape along its width direction can increase the surface area and flexibility of the monofilament dental tape, thereby improving the cleaning efficiency and the ability to enter narrow interdental spaces. The optional guiding portion at the edge of the monofilament dental tape helps to guide the dental tape between the teeth and protects the gums from abrasion during flossing. The optional coating of the monofilament dental tape plays a lubricating, wear-resistant, whitening, antibacterial / antiviral, or other therapeutic role during the use of dental floss. The combination of the corrugated structure with optimized dimensions, materials, and potential coatings aims to create a monofilament dental tape that can effectively clean interdental spaces, while the guiding portion helps with insertion and prevents irritation of the gums during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] A more comprehensive understanding of the foregoing and other aspects of the present application can be obtained from the following detailed description and in conjunction with the accompanying drawings below. It should be noted that the scales of the respective drawings may vary for the purpose of clear illustration, but this will not affect the understanding of the present application.

[0017] Figure 1 is a perspective view of the monofilament dental tape according to the present application.

[0018] Figure 2 is Figure 1 a cross-sectional view of the monofilament dental tape.

[0019] Figure 3 is Figure 2Partial enlarged schematic view of the wavy section, showing a wave unit and a plurality of secondary wave units superimposed thereon.

[0020] Figure 4 It is a partial schematic view of the wavy section of a monofilament dental tape according to another embodiment of the present application, showing a wave unit and a plurality of secondary wave units superimposed thereon.

[0021] Figure 5 It is a partial schematic view of the wavy section of a monofilament dental tape according to another embodiment of the present application, showing a wave unit and a plurality of secondary wave units superimposed thereon.

[0022] Figure 6 It is a partial schematic view of the wavy section of a monofilament dental tape according to another embodiment of the present application, showing a wave unit and a plurality of secondary wave units superimposed thereon.

[0023] Figure 7 It is a partial schematic view of the wavy section of a monofilament dental tape according to another embodiment of the present application, showing a wave unit and a plurality of secondary wave units superimposed thereon.

[0024] Figure 8 It is a partial schematic view of the wavy section of a monofilament dental tape according to another embodiment of the present application, showing two wave units of the same shape and a plurality of secondary wave units superimposed thereon.

[0025] Figure 9 It is a partial schematic view of the wavy section of a monofilament dental tape according to another embodiment of the present application, showing two wave units of different shapes and a plurality of secondary wave units superimposed thereon. Detailed implementation mode

[0026] The exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application can be more thoroughly understood and the scope of the present application can be fully conveyed to those skilled in the art.

[0027] Figure 1 It is a perspective view of a monofilament dental tape according to the first embodiment of the present application. Herein, the extending direction of the monofilament dental tape 1 is defined as the length direction or the first direction (i.e., Figure 1 the arrow direction x in Figure 1 ), the direction perpendicular to one side of the monofilament dental tape and pointing to the other side is defined as the width direction or the second direction (i.e., Figure 1in the direction of the arrow z). The monofilament dental tape 1 has an elongated strip shape extending in the length direction x and includes a corrugated section 10 in a cross-section along the width direction y. The monofilament dental tape 1 may further include a guiding section 2 disposed at the edge of the corrugated section 10.

[0028] Figure 2 is Figure 1 a cross-sectional view of the monofilament dental tape. Figure 3 is Figure 2 a partially enlarged schematic view of the corrugated section, showing a wave unit and a plurality of secondary wave units superimposed thereon. The corrugated section 10 includes a first corrugated portion 100 and a second corrugated portion 101. The first corrugated portion 100 includes 6 wave units connected in sequence. The shape of the wave unit is triangular. The second corrugated portion 101 includes one or more secondary wave units superimposed on the wave units of the first corrugated portion 100. The shape of the secondary wave unit is a sine wave. Specifically, one secondary wave unit is superimposed on a quarter of the length of each wave unit of the first corrugated portion 100 of the corrugated section 10. The wavelength h4 of each wave unit of the first corrugated portion 100 is greater than the wavelength h5 of each secondary wave unit of the second corrugated portion 101. The amplitude h7 of each wave unit of the first corrugated portion 100 is greater than the amplitude h6 of each secondary wave unit of the second corrugated portion 101.

[0029] The guiding section 2 is disposed at the edge of the corrugated section 10 and includes a connecting portion 21 close to the corrugated section 10 and a guiding portion 22 far from the corrugated section 10. The width h8 of the guiding section 2 is about 120 μm. The guiding portion 22 has a smoothly extending arc surface.

[0030] In Figure 1 the embodiment of, the monofilament dental tape is made of 30% by weight 5556 (polyether ester thermoplastic elastomer), 65% by weight 4068FG (polyether ester thermoplastic elastomer) and 5% Multibase TM MB50 - 010 (lubricant masterbatch based on polyether ester thermoplastic elastomer).

[0031] When the monofilament dental tape 1 is not subjected to external force, the thickness h1 of the corrugated section 10 is 70 μm. The height h3 of the corrugated section 10 is 100 μm. The width h2 of the corrugated section 10 is 1600 μm.

[0032] The wavelength h4 of the wave unit is about 260 μm, the amplitude h7 is about 15 μm, and it has a rounded corner profile at the turning point. The wavelength h5 of the secondary wave unit is about 84 μm, and the amplitude h6 is about 3 μm.

[0033] The wavy section 10 formed by the superposition of the first wavy part 100 and the second wavy part 101 can increase the roughness and cleaning power of the monofilament dental tape without affecting the compressibility and ability to enter the interdental space of the monofilament dental tape. The wavelength h4 and amplitude h7 of the wave units of the first wavy part 100 are larger, and they constitute the basic structure of the wavy section 10 to endow the monofilament dental tape with good compressibility and the ability to enter the interdental space. The wavelength h5 and amplitude h6 of the secondary wave units of the second wavy part 101 are smaller, and they mainly play a role in increasing the roughness of the monofilament dental tape, which can improve the cleaning power of the monofilament dental tape.

[0034] It can be understood that, in order to achieve the above technical effects, the traveling direction of the secondary wave units of the second wavy part 101 changes along with the contour of the first wavy part 100.

[0035] It can be understood that, in order to achieve the above technical effects, the thickness of the wavy section 10 can be uniform or non-uniform. In the latter case, the maximum value of the thickness of the wavy section 10 does not exceed 6 times the minimum value, preferably does not exceed 2 times. The thickness h1 of the wavy section 10 can be in the range of 20 to 120 μm, preferably in the range of 30 to 90 μm, and more preferably in the range of 40 to 80 μm. The width h2 of the wavy section 10 can be in the range of 700 to 3000 μm, preferably in the range of 700 to 2000 μm, and more preferably in the range of 1000 to 2000 μm. The height h3 of the wavy section 10 can be in the range of 40 to 200 μm, preferably in the range of 60 to 170 μm, and more preferably in the range of 80 to 150 μm.

[0036] It can be understood that, in order to achieve the above technical effects, the first wavy part 100 of the wavy section 10 can have 2 to 25 wave units, preferably 5 to 10 wave units. The wavelength h4 of the wave units of the first wavy part 100 of the wavy section 10 can be in the range of 60 to 800 μm, preferably in the range of 100 to 600 μm, and more preferably in the range of 150 to 500 μm. The amplitude h7 of the wave units of the first wavy part 100 of the wavy section 10 can be in the range of 0 to 90 μm, preferably in the range of 2 to 50 μm, and more preferably in the range of 3 to 25 μm.

[0037] It can be understood that, in order to achieve the above technical effects, the wavelength h5 of the secondary wave units of the second wave portion 101 of the wavy section 10 can be in the range of 20 to 600 μm, preferably in the range of 30 to 400 μm, and more preferably in the range of 40 to 200 μm. The amplitude h6 of the secondary wave units of the second wave portion 101 of the wavy section 10 can be in the range of 0 to 50 μm, preferably in the range of 1 to 25 μm, and more preferably in the range of 2 to 15 μm.

[0038] It can be understood that, in order to achieve the above technical effects, the wavelength h4 of the wave units of the first wave portion 100 of the wavy section 10 does not exceed 20 times, preferably does not exceed 10 times, and more preferably does not exceed 4 times the wavelength h5 of the secondary wave units of the second wave portion 101 of the wavy section 10.

[0039] It can be understood that, in order to achieve the above technical effects, the monofilament dental tape 1 can be made of polyamide-based thermoplastic elastomer, polyether ester thermoplastic elastomer, polyolefin-based thermoplastic elastomer, thermoplastic polyurethane elastomer, styrene-based block copolymer elastomer, polyolefin with a tensile modulus lower than 1 GPa, or polybutylene succinate with a tensile modulus lower than 1 GPa. Preferably, the monofilament dental tape 1 can be made of polyamide-based thermoplastic elastomer or polyether ester thermoplastic elastomer. More preferably, the monofilament dental tape 1 can be made of polyether ester thermoplastic elastomer.

[0040] It can be understood that, although not shown in the figures, the monofilament dental tape according to the present application may further include a coating applied to its surface. The coating can be made of the following substances: lubricant, release agent, abrasive, whitening agent, active agent, olfactory stimulant, sialagogue, sensory stimulant, essential oil, fragrance, antibacterial agent, or antiviral agent.

[0041] Figure 4 is a partial schematic view of the wavy section 10 of the monofilament dental tape 1 according to another embodiment of the present application, showing a wave unit and a plurality of secondary wave units superimposed thereon. Compared with Figure 3 In Figure 4 , the shape of the wave unit of the first wave portion 100 is still triangular, while the shape of the secondary wave units of the second wave portion 101 also becomes triangular.

[0042] Figure 5 is a partial schematic view of the wavy section 10 of the monofilament dental tape 1 according to another embodiment of the present application, showing a wave unit and a plurality of secondary wave units superimposed thereon. Compared with Figure 3 In Figure 5 , the shape of the wave unit of the first wave portion 100 is still triangular, while the shape of the secondary wave units of the second wave portion 101 becomes a sine wave shape.

[0043] Figure 6 is a partial schematic view of the corrugated section 10 of the monofilament dental tape 1 according to another embodiment of the present application, showing one wave unit and a plurality of secondary wave units superimposed thereon. Compared with Figure 3 in Figure 6 , the shape of the wave unit of the first corrugated part 100 becomes a sine wave shape, and the shape of the secondary wave unit of the second corrugated part 101 is still a sine wave shape, but 3 secondary wave units are superimposed in half of the length of each wave unit of the first corrugated part 100 of the corrugated section 10.

[0044] Figure 7 is a partial schematic view of the corrugated section 10 of the monofilament dental tape 1 according to another embodiment of the present application, showing one wave unit and a plurality of secondary wave units superimposed thereon. Compared with Figure 3 in Figure 7 , the shape of the wave unit of the first corrugated part 100 becomes rectangular, and the shape of the secondary wave unit of the second corrugated part 101 also becomes rectangular.

[0045] It can be understood that, in order to achieve the above technical effects, the first corrugated part 100 with wave units having the above shapes (such as triangular, arc-shaped, sine wave-shaped, rectangular, other polygons, etc.) and the second corrugated part 101 with secondary wave units having the above shapes (such as triangular, arc-shaped, sine wave-shaped, rectangular, other polygons, etc.) can be arbitrarily combined, and all are within the protection scope of the present application.

[0046] Figure 8 is a partial schematic view of the corrugated section of the monofilament dental tape according to another embodiment of the present application, showing two wave units of the same shape and a plurality of secondary wave units superimposed thereon. Compared with Figure 3 in Figure 8 , the shape of the wave unit of the first corrugated part 100 becomes arc-shaped, and the shape of the secondary wave unit of the second corrugated part 101 becomes sine wave-shaped. In addition, Figure 8 a straight section 102 is connected between the two wave units of the first corrugated part 100 in

[0047] Figure 9 is a partial schematic view of the corrugated section of the monofilament dental tape according to another embodiment of the present application, showing two wave units of different shapes and a plurality of secondary wave units superimposed thereon. Compared with Figure 8 in Figure 9 , the first corrugated part 100 in is formed by sequentially connecting a wave unit with a triangular shape and a wave unit with a sine wave shape. The shape of the secondary wave unit superimposed on the triangular wave unit of the second corrugated part 101 is triangular, and the shape of the secondary wave unit superimposed on the sine wave-shaped wave unit is sine wave-shaped. In addition,Figure 9 No flat section 102 is provided between the first corrugated portions 100 in it.

[0048] The process of the monofilament dental tape entering the interdental space will be described below based on the embodiments of the present application. When the monofilament dental tape slides on the occlusal surface of the teeth, the guiding section 2 of the monofilament dental tape will get stuck in the interdental opening, thereby generating feedback on the object pulling the dental tape (such as a hand, a dental floss roll or a dental floss rod). In this way, the user of the monofilament dental tape can clearly perceive the position of the monofilament dental tape, and then change the direction of the force applied to the monofilament dental tape. After the direction of the force applied to the monofilament dental tape changes from parallel to the occlusal surface of the teeth to perpendicular to the occlusal surface of the teeth, the monofilament dental tape reciprocates on the interdental opening under the action of the combined force, so that the dental tape body 1 extends from the interdental opening into the interdental space along the width direction y. When the monofilament dental tape reciprocates in the interdental space along the width direction y, the corrugated section 10 of the dental tape body 1 contacts the surface of the interdental space, so that food residues in the interdental space and dental plaque on the tooth surface are squeezed into the gap formed by the first corrugated portion 100 and the second corrugated portion 101 of the corrugated section 10, and thus are taken out of the interdental space as the monofilament dental tape moves.

[0049] The monofilament dental tape according to the present application has the following technical effects. The dental tape body 1 of the monofilament dental tape can enhance its strength along the width direction y, so that the monofilament dental tape is not prone to splitting and cracks along the length direction x. The dental tape body 1 of the monofilament dental tape can enhance the cleaning effect of the dental tape on the tooth surface. The combination of the guiding section 2 and the dental tape body 1 of the monofilament dental tape makes the sliding resistance of the monofilament dental tape uniform and stable during the entry into the interdental space. In the case where the interdental width suddenly changes, the dental tape body 1 is flattened by the tensile force along the width direction y, so that the tensile force along the width direction y is absorbed, and there will be no phenomenon that the sudden release of the tensile force due to the sudden change of the interdental width damages the gums.

[0050] The present application also includes a dental floss roll composed of a monofilament dental tape and a dental floss rod composed of a monofilament dental tape. Such a dental floss roll and a dental floss rod have the same technical effects as the monofilament dental tape.

[0051] The experiment on the cleaning effect of the dental tape will be described below, including the following steps:

[0052] Step 1: Apply it 20 times on the surface of the enamel on the flat part of the canine tooth sample with a crayon to form a colored strip about 1.5 mm wide;

[0053] Step 2: Hold the dental tape with the fingers of both hands so that the length of the dental tape left between the fingers of both hands is about 3 cm;

[0054] Step 3: Scratch the surface of the enamel three times along the direction of the colored strip with the dental tape, and each time use a clean area on the dental tape for scratching;

[0055] Step 4: Score according to the remaining situation of the colored strip. Among them, if the colored strip is completely removed, it is scored 5 points; if it is not removed at all, it is scored 1 point.

[0056] Repeat the above test three times for each sample of tooth enamel to calculate the average value.

[0057] The following describes the experiment on the interdental access ability of dental floss, including the following steps:

[0058] Step 1: Fix the two ends of the dental floss on the two arms of the bow-shaped tooling respectively, so that the length of the dental floss between the two fixing points is about 4 cm;

[0059] Step 2: Connect the tooling to a handheld dynamometer with a measuring range of 20 N;

[0060] Step 3: Adjust the distance between the round heads of the double-round-head micrometer to 30 μm, and fix the micrometer on the tabletop;

[0061] Step 4: Hold the dynamometer with one hand, vertically downward apply pressure to the dental floss fixed on the tooling, so that the dental floss passes through the gap between the two round heads of the micrometer, and read the maximum value on the dynamometer as the interdental entry force;

[0062] Step 5: Hold the dynamometer with one hand, vertically upward apply a pulling force to the dental floss that has passed through the gap, so that the dental floss passes through the gap between the two round heads of the micrometer, and read the maximum value on the dynamometer as the interdental exit force.

[0063] Replace with a new dental floss sample, and repeat the above test six times to calculate the average values of the interdental entry force and the interdental exit force.

[0064] Experiment on the monofilament dental floss of the above embodiment (i.e., Example 1 in the following table), and compare it with other dental flosses in the prior art. The results are shown in the following table.

[0065] Experimental subject Cleaning ability score Interdental entry force Interdental exit force Comparative example 1 1.0 7.8 10.4 Comparative example 2 3.0 7.3 6.1 Example 1 3.7 5.5 6.0

[0066] In the above table, Comparative Example 1 is a commercially available product Oral B Glide ComfortPlus Floss, and the material is polytetrafluoroethylene.

[0067] Comparative Example 2 consists of 30% by weight 5556, 65% by weight 4068FG and 5% Multibase TMA monofilament dental tape made of MB50-010. The total width of the monofilament dental tape of Comparative Example 2 is about 1600 μm, and in a cross-section along the width direction y, it includes a guiding section and a corrugated section having 7 triangular wave units. The wavelength of each wave unit is about 200 μm, and the amplitude is about 15 μm. The height of the corrugated section is about 105 μm, and the thickness is about 70 μm. The width of the guiding section is about 120 μm.

[0068] Example 1 is Figure 1 the monofilament dental tape 1 according to the present application in

[0069] As can be seen from the above table, the monofilament dental tape according to the present application has higher cleaning ability and lower interdental entry force and interdental exit force compared with commercially available products. Compared with the monofilament dental tape having a corrugated section with only a single corrugated part, the monofilament dental tape according to the present application with a second corrugated part having a smaller wavelength and amplitude superimposed on the first corrugated part has better cleaning ability.

[0070] The foregoing description of the embodiments has been provided for purposes of illustration and description. It is not intended to be exhaustive or to limit the embodiments to the variants described. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to best illustrate the principles and practical applications, so that others skilled in the art can understand the embodiments in various embodiments and various modifications suitable for their intended use. Within the framework of the embodiments, the above components and features can be combined between the different embodiments.

Claims

1. A monofilament tooth tape (1), characterized in that: The monofilament dental tape (1) has a shape of an elongated strip extending in a first direction and includes a wavy section (10) in a cross section along a second direction, the second direction being perpendicular to the first direction; The corrugated section (10) comprises a first corrugated portion (100) and a second corrugated portion (101); The first corrugated portion (100) comprises a plurality of corrugated units connected in sequence; The second corrugated portion (101) comprises one or more secondary wave units superimposed on each wave unit of the first corrugated portion (100); The wavelength of each wave unit of the first corrugated portion (100) is greater than the wavelength of each secondary wave unit of the second corrugated portion (101); The amplitude of each wave unit of the first corrugated portion (100) is greater than the amplitude of each secondary wave unit of the second corrugated portion (101).

2. The monofilament dental tape according to claim 1, characterized in that: The monofilament dental tape (1) comprises one or two guide sections (2); The guide section (2) is arranged at the edge of the corrugated section (10); The guide section (2) comprises a connecting portion (21) close to the corrugated section (10) and a guiding portion (22) away from the corrugated section (10); The guide portion (22) has a smoothly extending arc surface.

3. The monofilament dental tape according to claim 2, characterized in that: When the monofilament dental tape (1) is not subjected to external force, the height of the wavy section (10) is in the range of 40 to 200 μm; When the monofilament dental tape (1) is not subjected to external force, the width of the wavy section (10) is in the range of 700 to 3000 μm; The width of the guide section (2) is in the range of 50 to 550 μm.

4. The monofilament dental tape according to any one of claims 1 to 3, characterized in that: The first corrugated portion (100) comprises 2 to 25 wave units; The wavelength of each wave unit is in the range of 60 to 800 μm; The amplitude of each wave unit is in the range of 0 to 90 μm; The wavelength of each secondary wave unit is in the range of 20 to 600 μm; The amplitude of each secondary wave unit is in the range of 0 to 50 μm; The wavelength of each wave unit is no more than 20 times the wavelength of each secondary wave unit; and The traveling direction of each secondary wave unit changes along the contour of the first wavy portion (100).

5. The monofilament dental tape according to any one of claims 1 to 3, characterized in that: The thickness of the corrugated section (10) is uniform and is in the range of 20 to 120 μm.

6. The monofilament dental tape according to any one of claims 1 to 3, characterized in that: The thickness of the corrugated section (10) is not uniform; The maximum value of the thickness of the corrugated section (10) does not exceed 6 times the minimum value; The thickness of the corrugated section (10) is in the range of 20 to 120 μm.

7. The monofilament dental tape according to any one of claims 1 to 3, characterized in that: The first wavy portion (100) is composed of wave units having one or more shapes of triangle, arc, sine wave, rectangle, etc. connected in sequence, and has a rounded corner profile at the turning part; The second wavy portion (101) is composed of secondary wave units having one or more shapes of a triangle, an arc, a sine wave, and a rectangle, and has a rounded corner profile at the turning portion.

8. The monofilament dental tape according to any one of claims 1 to 3, characterized in that: The monofilament tooth tape (1) is made of polyamide thermoplastic elastomer, polyether ester thermoplastic elastomer, polyolefin thermoplastic elastomer, thermoplastic polyurethane elastomer, styrene block copolymer elastomer, polyolefin with a tensile modulus lower than 1 GPa or polybutylene succinate with a tensile modulus lower than 1 GPa.

9. The monofilament dental tape according to any one of claims 1 to 3, characterized in that: The monofilament dental tape (1) comprises a coating applied on its surface; The coating is made of a lubricant, a peeling agent, an abrasive, a whitening agent, an active agent, an olfactory stimulant, a salivating agent, a sensory stimulant, an essential oil, a fragrance, an antibacterial agent or an antiviral agent.

10. The monofilament dental tape according to claim 3, characterized in that: When the monofilament dental tape (1) is not subjected to external force, the height of the corrugated section (10) is in the range of 60 to 170 μm; and When the monofilament dental tape (1) is not subjected to external forces, the width of the corrugated section (10) is in the range of 700 to 2000 μm.

11. The monofilament dental tape according to claim 10, characterized in that: When the monofilament dental tape (1) is not subjected to external force, the height of the corrugated section (10) is in the range of 80 to 150 μm; and When the monofilament dental tape (1) is not subjected to external forces, the width of the corrugated section (10) is in the range of 1000 to 2000 μm.

12. The monofilament dental tape according to claim 4, characterized in that: The first corrugated portion (100) comprises 5 to 10 wave units; The wavelength of each wave unit is in the range of 100 to 600 μm; The amplitude of each wave unit is in the range of 2 to 50 μm; The wavelength of each secondary wave unit is in the range of 30 to 400 μm; The amplitude of each secondary wave unit is in the range of 1 to 25 μm; The wavelength of each wave unit is no more than 10 times the wavelength of each secondary wave unit.

13. The monofilament dental tape according to claim 12, characterized in that: The wavelength of each wave unit is in the range of 150 to 500 μm; The amplitude of each wave unit is in the range of 3 to 25 μm; The wavelength of each secondary wave unit is in the range of 40 to 200 μm; The amplitude of each secondary wave unit is in the range of 2 to 15 μm; The wavelength of each wave unit is no more than 4 times the wavelength of each secondary wave unit.

14. The monofilament dental tape according to claim 5, characterized in that: The thickness of the corrugated section (10) is in the range of 30 to 90 μm.

15. The monofilament dental tape according to claim 14, characterized in that: The thickness of the corrugated section (10) is in the range of 40 to 80 μm.

16. The monofilament dental tape according to claim 6, characterized in that: The maximum value of the thickness of the corrugated section (10) is no more than twice the minimum value; The thickness of the corrugated section (10) is in the range of 30 to 90 μm.

17. The monofilament dental tape according to claim 16, characterized in that: The thickness of the corrugated section (10) is in the range of 40 to 80 μm.

18. The monofilament dental tape according to claim 8, characterized in that The monofilament tooth tape (1) is made of polyamide thermoplastic elastomer or polyetherester thermoplastic elastomer.

19. The monofilament dental tape according to claim 18, characterized in that: The monofilament tooth tape (1) is made of polyetherester thermoplastic elastomer.

20. A dental floss roll, characterized in that: The dental floss roll comprises a dental floss roll housing, a dental floss reel arranged in the dental floss roll housing, and a monofilament dental tape (1) according to any one of claims 1 to 19 wound around the dental floss reel.

21. A dental floss stick, characterized in that: The dental floss stick comprises a dental floss stick holder, and a monofilament dental tape (1) according to any one of claims 1 to 19 connected between different ends of the dental floss stick holder.

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  • Monofilament dental tapes, dental floss rolls and dental floss sticks

    EP4681679A1