KR20220144062A - Dental mask with guard - Google Patents

Abstract

The present invention provides a dental mask which facilitates breathing and minimizes contact between the mask and the skin, thereby minimizing skin trouble. To this end, the dental mask comprises: a mask part (100); and a guard part (200). The mask part (100) includes: a mask main body (110); a pair of hanging strings (120) with both ends ultrasonically welded and coupled to both sides of the mask main body (110), respectively; and a pocket part (130) formed so that coupling protrusions (220) of the guard part (200) are inserted and fixed to both sides of a surface facing the face of the user of the mask main body (110), respectively. The guard part (200) is detachably mounted on the surface facing the face of the user of the mask main body (110) and forms a separate space between the mask part (100) and the face of the user.

Description

Dental mask with guard {DENTAL MASK WITH GUARD}

The present invention relates to a dental mask, and more particularly, to a dental mask having a guard part that minimizes skin troubles by facilitating breathing and minimizing skin contact of the mask.

It was common to wear a mask on the face to prevent cold outside air, dust, odor, bacteria, and yellow dust from entering the human body through the respiratory tract, but recently, due to the pandemic of coronavirus infection (COVID 19), coronavirus infection It has become a protective equipment that must be worn at all times to prevent coronavirus infection in places where people can come into contact with others, such as when going out, during daily exercise at sports facilities or outdoors, or when using public transportation.

Accordingly, since it is necessary to always wear a mask during daily life with others, the wearing time of the mask increases during the day. In addition, there was a problem in that the useful life of the mask was shortened because it was difficult to repeatedly use the mask due to contamination by one's own saliva and the like.

Accordingly, Korean Patent Application Laid-Open No. 10-2015-0146348 provides a technology for reusing a mask by applying a detachable filter unit to replace the filter.

Nevertheless, in the prior art, it is not possible to provide a technology that can eliminate the inconvenience of wearing a mask, such as the occurrence of skin troubles caused by having to wear the mask for a long time or difficulty breathing during exercise.

Republic of Korea Patent Publication No. 10-2015-0146348

Therefore, an embodiment of the present invention for solving the problems of the prior art described above is to facilitate breathing and to minimize skin contact of the mask to provide a dental mask having a guard part that minimizes skin troubles. do it with

One embodiment of the present invention for achieving the above-described problem of the present invention is a mask body 110 that is formed of a plate-like member including a plurality of wrinkles in the horizontal direction and is worn on the user's face, and the mask body ( A pair of hanging straps 120, each of which both ends are ultrasonically fused and coupled at both sides of 110), and the guard unit 200 at each of both sides of the face opposite to the user's face of the mask body 110 a mask unit 100 including a pocket unit 130 in which the coupling protrusion 220 is inserted and fixed; and a guard unit 200 that is detachably mounted on a surface of the mask body 110 opposite to the user's face to form a spaced space between the mask unit 100 and the user's face. We provide dental masks that

The mask body 110 is formed in a plate shape including a plurality of wrinkles in the horizontal direction, and the area is extended in the vertical direction by the wrinkles to form a curved surface corresponding to the user's face when worn.

The pocket portion 130 has an edge region attached to both sides of the mask body 110 by ultrasonic welding, and the pitch interval between ultrasonic welding points of the edge region on the center direction side of the mask body 110 is measured. It is characterized in that it is configured to include an inlet 131 formed so that the coupling protrusion 220 is inserted by enlarging it.

The guard unit 200 includes a guard body 210 formed in a plate shape using a material that is bent and deformed to have an inner surface shape of the mask body 110; and a pair of coupling protrusions 220 protruding from both sides of the guard body 210 in the horizontal direction and inserted into the pocket unit 130 to fix the guard unit 200 to the mask body 110 ; It may be composed of

A plurality of ventilation holes 211 may be formed in a grid shape in the guard body 210 .

1 is an exploded perspective view of a dental mask (1) of the present invention.
2 is a perspective view of a dental mask 1 according to an embodiment of the present invention in a state in which the guard unit 200 is coupled to the mask unit 100 .
3 is a side view showing the 3D mask 1 in a state in which the variable extension unit 160 is installed according to a preferred embodiment of the present invention.
4 is a conceptual diagram illustrating a 3D mask 1 in a state in which a variable extension unit 160 is installed according to a preferred embodiment of the present invention.
5 is a conceptual diagram illustrating the 3D mask 1 in a state in which the length of both sides of the mask body 110 is adjusted by using the variable extension unit 160 .
6 is a cross-sectional view showing an example of a multi-layer fabric used for forming the mask body of the 3D mask according to the present invention.
7 is a perspective view illustrating a weaving state of an electrostatic filter fabric introduced to form an electrostatic filter layer in a multilayer fabric of a 3D mask according to the present invention.
8 is a conceptual diagram illustrating an electrostatic filter fabric introduced to form an electrostatic filter layer in a multilayer fabric of a 3D mask according to the present invention.

In the following description of the present invention, if it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

Since the embodiment according to the concept of the present invention can have various changes and can have various forms, specific embodiments are illustrated in the drawings and described in detail in the present specification or application. However, this is not intended to limit the embodiment according to the concept of the present invention to a specific disclosed form, and it should be understood that the present invention includes all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but it is understood that other components may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle. Other expressions describing the relationship between elements, such as "between" and "immediately between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as “comprise” or “have” are intended to designate that the described feature, number, step, operation, component, part, or combination thereof exists, and includes one or more other features or numbers. , it is to be understood that it does not preclude the possibility of the presence or addition of steps, operations, components, parts, or combinations thereof.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings showing embodiments of the present invention.

1 is an exploded perspective view of a dental mask 1 of the present invention, and FIG. 2 is a perspective view of a dental mask 1 according to an embodiment of the present invention in a state in which the guard unit 200 is coupled to the mask unit 100. .

In the description of the embodiment of the present invention, the dental mask 1 blocks the user's nose and mouth in order to minimize the direct transmission of infectious agents between medical personnel and patients in medical institutions, etc., to protect from liquid and particulate materials. As to be worn, the mask body 110 is defined as a mask formed in a plate shape in which a plurality of wrinkles are formed in the horizontal direction.

As shown in FIGS. 1 and 2 , the dental mask 1 includes a mask part 100 and a guard part 200 .

The mask unit 100 includes a plate-shaped mask body 110 that performs filtration or cold protection to prevent external cold air, dust, odor, bacteria, yellow dust, etc. from entering the human body through the respiratory system, and the mask 1 ) to be worn on the face by hanging over the ears, a pair of hanging straps 120 and the mask body 110 that are opposite to the user's face of the mask body 110 and the both ends of both ends are ultrasonically fused at each side of the mask body 110 It is configured to include a pocket portion 130 formed so that the coupling protrusion 220 of the guard portion 200 is inserted and fixed at each of both sides of the surface.

Specifically, the mask body 110 is formed of a plate-like member including a plurality of wrinkles in the horizontal direction to be worn on the user's face.

The pocket portion 130 is formed by attaching the edge region of the plate member in the region of both sides of the mask body 110 by ultrasonic welding. In addition, the inlet 131 through which the coupling protrusion 220 is inserted is formed by increasing the pitch interval of the ultrasonic welding points in the edge region of the mask body 110 in the center direction or not performing the ultrasonic welding.

And the pair of hanging straps 120 are configured by ultrasonically fusion-bonding both ends to both sides of the mask body 110 .

After laminating the mask body 110 and the pocket 130 constituting the mask part 100, a spun bond nonwoven fabric of polypropylene, a polyester or polypropylene needle punching nonwoven fabric, etc. It can be manufactured by ultrasonic welding of the edge. Alternatively, the pocket portion 130 may be made of a material capable of bending and deforming different from that of the mask body 110 , for example, the same material as the guard portion 200 .

The mask body 110 and the pocket 130 may be manufactured as a health mask such as a KF80, KF94, or KF99 mask by ultrasonic fusion after an outer material, an electrostatic filter, and a lining are laminated.

In addition, the mask body 110 and the pocket portion 130 may be made of a cotton material.

And the guard unit 200 is detachably mounted on the surface opposite to the user's face of the mask body 110 to form a spaced space between the mask unit 100 and the user's face.

To this end, the guard part 200 is configured to include a guard body 210 and a pair of coupling protrusions 220 extending in the horizontal direction from both sides of the guard body 210 .

The guard body 210 is manufactured in a plate shape using a material that is bent and deformed to form a curved surface corresponding to the curved surface of the user's face. And the guard body 210 has a plurality of ventilation holes 211 are formed in a grid shape.

The upper coupling protrusion 220 is formed to protrude in the horizontal direction so as to be fitted to the pocket portion 130 at both sides of the guard body 210 . In this case, the vertical width and the horizontal width of the coupling protrusion 220 are formed to be smaller than the vertical width of the inlet 131 formed in the pocket portion 130 and the horizontal width of the pocket portion 130 .

The overall horizontal length of the guard part 200 of the above configuration is greater than the length between the pocket parts 130 so as to form a curved surface when the guard part 200 is mounted on the mask part 100 . can be formed.

In the case of FIGS. 1 to 3, the pocket portion 130 and the engaging projection 220 are illustrated as being formed one by one, respectively, but this is an exemplary illustration for the description of the present invention, and the pocket portion 130 and the engaging protrusion Reference numeral 220 is not limited to the number if the guard unit 200 can be fixedly coupled to the mask unit 100 .

The guard unit 200 of the above-described configuration may be made of polypropylene (PP: polypropylene) or polyethylene (PE: polyethylene). And the thickness may be 0.5 to 0.8 mm.

When it is desired to couple the guard unit 200 to the mask unit 100 in the dental mask 1 having the above configuration, as shown in FIG. 2 , the guard unit 200 faces the user's face of the mask unit 100 . insert it on the Thereafter, as shown in FIG. 3 , each of the both side coupling protrusions 220 of the guard unit 200 is attached to both sides of the mask body 110 on the side opposite to the user's face, the entrance 131 of the pocket unit 130 ) It is inserted into the pocket 130 through the roll. By such a coupling, the guard unit 200 can be easily mounted on a surface of the mask unit 100 opposite to the user's face of the mask body 110 .

In addition, when the guard unit 200 is pulled during detachment, the coupling protrusions 220 of the guard unit 200 are bent and deformed while the guard unit 200 is separated from the pocket unit 130 of the mask body 110 . Accordingly, the guard 200 can be easily detached from the mask body 110 .

By the combination as described above, the guard unit 200 may be easily mounted on or detached from the face of the mask body 110 of the mask unit 100 opposite to the user's face.

In addition, in the dental mask 1 of the present invention, in a state in which the guard unit 200 is mounted on the mask body 110 , both sides of the mask unit 100 about the vertical axis in order for the user to wear the dental mask 1 . When unfolded to, the shape of the mask body 110 is transformed into a shape corresponding to the user's face. At this time, the guard unit 200 also supports the inner surface of the mask body 110 by being convexly bent, preventing the surface corresponding to the user's face of the mask body 110 from moving in the direction of the user's face when worn. A spaced space of a predetermined interval is formed between the dental mask 1 and the user's face. Therefore, when wearing the dental mask 1 of the embodiment of the present invention, the moisture contained in the respiration fills the face or the mask body 110 eliminates the discomfort during respiration, such as blocking the nose.

3 is a side view showing the 3D mask 1 in a state in which the variable extension unit 160 is installed according to a preferred embodiment of the present invention, and FIG. 4 is a variable extension unit 160 according to a preferred embodiment of the present invention. It is a conceptual diagram showing the 3D mask 1 in a state in which is installed, and FIG. 5 is a conceptual diagram showing the 3D mask 1 in a state in which the lengths of both sides of the mask body 110 are adjusted using the variable extension unit 160 .

The mask body 110 of FIGS. 1 and 2 may further include variable extension portions 160 formed on both sides thereof, and the variable extension portion includes a fold line and a cut line formed between the fold lines in advance. It has a foldable structure in the form of a bellows in which one or more sheets formed at intervals are bent along the fold line, and the wearing strap is attached to the upper side of the outermost surface, and the user unfolds the lowermost fold part by layer It is possible to form a deformable structure in which both sides of the mask are elongated by allowing the wearing strap to be wound through the incision formed in the variable extension portion.

Referring in detail to the 3D mask 1 provided with the variable expansion part 160 as shown in FIGS. 3 to 5 , the 3D mask 1 according to the present invention is a variable expansion formed on both sides of the mask body 110 . It may be configured to further include the unit 160 .

The variable extension part 160 has a larger face than the preset mask body 110 so that the mask body 110 has difficulty in accommodating the user's face, or when the ear hurts due to wearing the mask for a long time. By elongating both sides, it is possible to form a structure that solves the user's face size and discomfort caused by wearing for a long time.

Specifically, the variable extension portion 160 is formed on both sides of the mask body 110, and has a sheet-like structure in which one or more fold lines 165 and cut lines 161 are formed at preset intervals, After bending along the fold line 165 one or more times, the abutting surface is adhered with an adhesive means to form a bellows-shaped foldable structure, and the user can unfold the bent part when necessary.

In addition, in the mask 1 provided with the variable extension 160 as described above, a hanging strap 140 may be attached to the upper side of the outermost surface of the variable extension 160 having a foldable structure, and the user wears the mask. When you feel discomfort or think that the mask is small compared to the size of your face, unfold the lowermost fold layer by layer, and then wind the hanging strap 140 through the incision line 161 formed in the variable extension 160, so that both sides of the mask It is possible to form a deformable structure such that it extends long.

More specifically, as shown in FIG. 3 , the 3D mask 1 in a state in which the variable extension unit 160 is installed has a hanging string ( 140) is wound so that the variable extension unit 160 is supported to form a bellows structure so that the user can wear the mask by adjusting it, and if the user wants to adjust the length of the wearing strap, As shown, the length of the wearing strap can be shortened by winding the hanging string 140 on the cutout formed by the incision line 161 formed in the mask body. And, as shown in Fig. 5(b), when the user feels uncomfortable when wearing the mask or the mask is small compared to the size of the face, the bottom fold is unfolded one layer at a time, and then the incision line formed in the variable extension 160 ( 161) so that the both sides of the mask can be extended long by winding the hanging string 140, and as shown in FIG. The both sides of the mask can be extended longer by making the hanging string 140 wound through the incision line 161 formed in the It is also possible to form a structure in which both sides are extended the longest.

Therefore, as described above, the mask according to the present invention in which the incision line 161 and the variable extension part 160 are respectively provided in the mask body 110 passes the hook string 140 through the incision line 161 to the mask body. By adjusting the length of the hanging strap 140 to be short by winding the hanging strap 140 along the outer peripheral surfaces of both sides, a user with a small face size can easily wear the mask, and the variable extension part 160 is the mask body ( As it is installed on both sides of 110), through the method of adjusting the variable extension part 160 on one side, even when the user's face is larger than the mask body, it can be easily adjusted, and the user with facial asymmetry can also use it easily.

In addition, the variable extension part 160 has elasticity and is stretched on both sides to form a structure that relieves discomfort when a user wears a mask, and preferably, it can be formed using an elastic nonwoven sheet. , the variable extension portion 160 may be formed by bonding elastic nonwoven sheets to both sides of the mask body 110 .

Although the 3D mask has been described as an example in the drawings, the variable extension 160 may also be installed in a bird-beaked 2D mask or a medical dental mask.

The mask 10 having the structure as described above is easy to adjust the length of the hanging strap 140 as it is adjusted by winding the hanging strap 140 on the cutout formed by cutting the incision line 161, so that it can be easily applied to the face. It is possible to increase the adhesion of the mask body 110, and the user can adjust the length of the hanging strap 140 without a separate additional adjustment member for adjusting the strap, so that the amount of plastic used can be reduced, and the production is easy. Manufacturing cost can be reduced.

8 is a cross-sectional view showing an example of a multi-layer fabric used for forming a mask body of a 3D mask according to the present invention, and FIG. A perspective view showing the state, FIG. 10 is a conceptual diagram illustrating an electrostatic filter fabric introduced to form an electrostatic filter layer in the multilayer fabric of the 3D mask according to the present invention.

On the other hand, the 3D mask according to the present invention is manufactured using a multi-layered fabric of various types in general that prevents inhalation of pathogens such as viruses or bacteria, or contaminants such as dust, chemicals, yellow dust, and ultrafine dust. can do.

For example, the multilayer fabric has a triple-layer structure in which an outer skin layer, an electrostatic filter layer, and an inner skin layer are sequentially stacked, or a mask fabric having a quadruple-layer structure including an outer skin layer, a support layer that gives shape stability of the mask, an electrostatic filter layer, and an inner skin layer Alternatively, one having a five-layer structure including an outer skin layer, a support layer, a pre-filter layer, an electrostatic filter layer, and an inner skin layer may be used.

The material of each layer constituting the mask fabric is polypropylene (polypropylene, PP), polyethylene (PE), polyethylene terephthalate (PET), oriented polypropylene (OPP), casein phosphate peptide (casein) phosphopeptide, CPP), nylon, paper, or a mixture thereof may be used.

The mask body 110 is formed using a multi-layer fabric including an outer skin layer, an electrostatic filter layer, and an inner skin layer, and the electrostatic filter layer is formed in which the first fabric and the second fabric are spaced apart on a horizontal line and crossed repeatedly at regular intervals. It can be manufactured using a fabric of a double weave structure that is woven integrally in the state to form a receiving space having a hexagonal cross section.

Preferably, as the multi-layer fabric 20, as shown in FIG. 6, a multi-layer fabric 20 having a structure including an outer skin layer 21, an electrostatic filter layer 23 and an inner skin layer 25 may be used. , the multi-layer fabric 20 has a structure including, as the electrostatic filter layer 23 , a fabric having a double weave structure that forms a honeycomb-shaped accommodation space AS having a hexagonal cross section.

Specifically, the multilayer fabric 20 forming the electrostatic filter layer 21 includes a first fabric 21a and a second fabric 21b, and the first fabric 23a and the second fabric 23b are mutually It is possible to use one manufactured by being integrally woven in a state that is spaced apart on the horizontal line and crossed repeatedly at regular intervals. At a point where the first fabric 21a and the second fabric 21b intersect, the first fabric 21a and the second fabric 21b may have a structure in which a folded portion 23c folded symmetrically to each other is formed.

7, in the multi-layer fabric 20 having the above structure, the first warp 26 and the second warp 27 are woven together with the weft yarn 28, respectively, and the first warp 26 and a second warp yarn 27 is woven together with the weft yarn 28 spaced horizontally.

In particular, in region 1 (R1), the first warp yarn 26 and the second warp yarn 27 are woven together with the weft yarn 28, respectively, and in the area 2 (R2), the first warp yarn 26 located above is Weaving inclined in the lower direction, the second warp 27 located in the lower direction is weaving inclined in the upper direction, the inclination angle θ of the first warp 26 and the second warp 26 is 30 to 60 ° angle is woven so as to be inclined, and in the region 3 (R3), the second warp 27 is located on the upper part, and the first warp 26 is woven with the lower warp, and such a structure is repeatedly weaved.

and the first warp 26 and the second warp 27 intersect each other in order, that is, each warp of the first warp 26 and the second warp 27 intersect each other in order at the same time as the weft yarn 28 ) is woven so that the first fabric 23a and the second fabric 23b are spaced apart from each other on a horizontal line, and the process of weaving together in a state where they are repeatedly crossed at regular intervals is repeated to form a honeycomb shape having a hexagonal cross section. It is possible to manufacture a fabric of a double weave structure that forms the receiving space (AS).

As described above, in the electrostatic filter fabric having a honeycomb structure, hexagonal accommodation spaces AS are sequentially formed by the weaving method in which the first fabric 23a and the second fabric 23b are repeatedly crossed. As described above, the electrostatic filter fabric having the woven honeycomb structure is woven with the weft yarn 28 by dividing the warp yarns 26 and 27 into double, and integrally woven with the honeycomb structure fabric to give the fabric integrity. By making it possible, mass production of the fabric is possible, and the static electricity induction effect is given while air passes through the hexagonal accommodation space (AS) during breathing, thereby exhibiting excellent fine dust blocking performance.

More specifically, the electrostatic filter layer 23 including the fabric having the above structure has a structure in which the first fabric 23a and the second fabric 23b are repeatedly crossed, and the first fabric 23a and the The second fabric (23b) is disposed in a spaced apart state from each other to form a structure in which the first fabric (23a) and the second fabric (23b) are in surface contact with each other by the user's inhalation and then non-contact by the exhaust, so that breathing friction occurs, and thus static electricity generation may be induced in the first fabric 23a or the second fabric 23b. It is possible to form a structure that more effectively prevents the inhalation of contaminants by improving the collection performance of the pollutants.

Preferably, the first fabric 23a and the second fabric 23b may be made of fibers having different electrification characteristics, and the first fabric 23a may be formed by using polypropylene fibers in a first warp ( 26) can be used, and the second fabric 23b uses a polyamide fiber as the second warp 27, or the first fabric 23a uses a polypropylene fiber. A fabric manufactured using the first warp 26 is used, and the second fabric 23b is manufactured using an acrylonitrile fiber as the second warp yarn 27 so that static electricity can be easily induced. Different fabric structures can be introduced.

In addition, although FIG. 6 shows only a multilayer fabric having a triple layer structure including an outer skin layer, an electrostatic filter layer, and an inner skin layer, the multilayer fabric has an outer skin layer, a support layer that provides shape stability of the mask, an electrostatic filter layer, and a quadruple layer including an inner skin layer It may have a structure, and one having a five-layer structure including an outer skin layer, a support layer, a pre-filter layer, an electrostatic filter layer, and an inner skin layer may be used.

On the other hand, the hanging string 140 is installed in a state in which both ends are fixed to both sides of the mask body 110, respectively, and serves to support the mask body 110 so that the mask body 110 does not come off from the user's face. And, the user can form a length sufficient to wear the mask body 110, and the specific length may be appropriately determined for each manufacturer. Hanging string 140 may use a wire, strip or band shape manufactured using an elastic material such as polyurethane, nylon, cotton, silicone, rubber, etc., but is not limited thereto.

The above description of the present invention is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

1: Mask (dental mask)
20: multi-layer fabric
21: outer skin layer
23: electrostatic filter layer
25: endothelial layer
26: first slope
27: second slope
28: weft
100: mask unit
110: mask body
111: front part
120: hook
130: pocket portion
131: entrance
160: variable extension
161: incision line
165: fold line
200: guard
210: guard body
211: vent hole
220: coupling protrusion

Claims (5)

The mask body 110 is formed of a plate-like member including a plurality of transverse wrinkles and is worn on the user's face, and a pair of hooks in which both ends of the mask body 110 are ultrasonically fused and coupled at both sides. The guide 120 and the pocket portion 130 formed so that the coupling protrusion 220 of the guard portion 200 is inserted and fixed at each of both sides of the surface opposite to the user's face of the mask body 110 . to the mask unit 100; and
The mask body 110 is detachably mounted on the surface opposite to the user's face, the guard part 200 forming a separation space between the mask part 100 and the user's face; characterized in that it comprises a dental mask. According to claim 1, wherein the mask body 110,
A dental mask, characterized in that it is formed in a plate shape including a plurality of wrinkles in the horizontal direction, and is extended in the vertical direction by the wrinkles, so as to form a curved surface corresponding to the user's face when worn. According to claim 1, wherein the pocket portion 130,
The edge region is attached to both sides of the mask body 110 by ultrasonic welding, and the coupling protrusion ( 220) Dental mask, characterized in that it comprises an inlet (131) formed to be inserted. According to claim 1, The guard unit 200,
a guard body 210 formed in a plate shape using a material that is bent and deformed to have an inner surface shape of the mask body 110; and
A pair of coupling protrusions 220 protruding from both sides of the guard body 210 in the horizontal direction and inserting the pocket part 130 to fix the guard part 200 to the mask body 110; Dental mask, characterized in that it comprises. [Claim 5] The dental mask according to claim 4, wherein a plurality of ventilation holes 211 are formed in a grid shape in the guard body 210.

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