CN216933529U - Shell-shaped dental instrument set - Google Patents

Abstract

The utility model discloses a shell-shaped dental instrument set, which comprises a first shell-shaped body with a tooth accommodating cavity for accommodating a plurality of upper jaw teeth; the second shell-shaped body is provided with a tooth accommodating cavity for accommodating a plurality of teeth of the lower jaw, the rear tooth area of the first shell-shaped body is provided with a main positioning element, and the main positioning element is arranged on the surface of the first shell-shaped body in a manner of extending towards the jaw direction; the rear tooth area of the second shell-shaped body is provided with an auxiliary positioning element, and the auxiliary positioning element extends towards the opposite jaw direction on the surface of the second shell-shaped body; the primary positioning element and the secondary positioning element are matched with each other to restrain the relative movement of the upper jaw and the lower jaw in the sagittal direction; the anterior tooth area of the first shell-shaped body is provided with a main jaw locking element, the anterior tooth area of the second shell-shaped body is provided with an auxiliary jaw locking element, and the main jaw locking element and the auxiliary jaw locking element are matched with each other to restrain relative movement of the upper jaw and the lower jaw in the horizontal direction and the vertical direction.

Description

Shell-shaped dental instrument set

Technical Field

The utility model belongs to the field of dental medical instruments, and particularly relates to a shell-shaped dental instrument set.

Background

In the process of facial development, if the growth and development of the jaw bone are abnormal, the size and the form of the upper jaw bone and the lower jaw bone are abnormal, and the occlusal relationship and the function of the oral jaw system are abnormal. The clinical manifestations are maxillofacial bone malocclusion deformity such as 'ground wrapped day', 'no chin', 'facial distortion' and the like. Serious bony malocclusion not only affects the functions of chewing, pronunciation and the like, but also brings great psychological pressure to daily social contact of patients due to the appearance which is obviously different from that of ordinary people.

For such severe bone-derived protrusion, concavity deformity, joint-derived and jaw developmental hemizygous deformity, the orthognathic-orthodontic combined treatment mode is one of the options of clinical treatment systems, and the orthognathic-orthodontic combined treatment mode can simultaneously solve the problems of occlusion and facial abnormality of patients. The conventional orthognathic orthodontic combination procedure is generally as follows: joint discussion, preoperative orthodontics, orthognathic surgery, postoperative orthodontics. Combining the following discussion: is completed by orthognathic physicians and orthodontists, diagnoses according to the clinical manifestations of patients and makes treatment plans. Correcting the orthodontic before the operation: the method is completed by an orthodontist, aligns and levels dentition, removes compensation and interference of teeth, ensures that the dental cast and the jaw cast are as consistent as possible, creates a gap for moving bone blocks and creates conditions for stabilizing the occlusion relationship after operation. ③ orthognathic surgery: is completed by an orthognathic surgeon, mainly comprises model surgical design for simulating orthognathic surgery, a positioning jaw plate is manufactured on the basis of the model surgical design, and the orthognathic surgery is guided by the positioning jaw plate. Fourthly, performing postoperative orthodontics: stabilize the position of the upper and lower jaws after operation, and finely adjust the occlusion on the position of the reconstructed upper and lower jaws.

If can accurate realization predetermine jaw remove in the art, the position relation of jaw about the postoperative more need stabilize, accurately keep. It is noted that, since there is a certain degree of recurrence due to muscle, neural memory, etc., the upper and lower jaw positions are often stabilized by continuing to wear the positioning jaw plate in conjunction with elastic traction.

However, in clinical use, the following defects exist in stabilizing the relative positions of the upper and lower jaws after the positioning jaw plate operation:

first, the positioning accuracy of the positioning jaw plate is not good enough. Because the occlusion marks of the positioning jaw plate tooth row are shallow, the upper jaw and the lower jaw cannot be correctly guided to be accurately positioned, and the bone blocks are healed at wrong positions. In addition, the jaw plate does not have a fixing force, and needs to be fixed with the intraoral implant anchorage through a stainless steel ligature wire. But the ligature wire is easy to loosen and is not easy to be noticed after the patient is discharged, so that the jaw plate is not accurate. Secondly, the positioning jaw plate needs to be matched with the elastic traction between the jaws, but sometimes the patient can not wear the rubber band, and the positions of the upper jaw and the lower jaw can not be maintained.

Second, the clinical use of the positioning jaw plate is less experienced. The jaw plate protrudes 2-3 mm above the dentition, which often causes ulceration of the surrounding soft tissue. Because the positioning jaw plate does not have the retention function, the jaw plate and the mucous membrane reserved planting anchorage are required to be fixed through the stainless steel ligature wire in the operation. The implant anchorage is often involved in the wound due to swelling of the mucosal tissue after operation, and the stainless steel ligature wire for fixing the jaw plate is also often embedded in the mucosa, so that the postoperative wound of a patient is increased. Moreover, as the jaw plate is fixed with the implant anchorage through the stainless steel ligature wire, the patient can not take down the jaw plate by himself, and can not clean the oral cavity thoroughly within 2-4 weeks after the operation, which is not beneficial to maintaining the oral cavity sanitation and increasing the probability of wound infection after the operation.

To this end, the present invention provides a solution to the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a shell-shaped dental instrument set capable of keeping the upper jaw and the lower jaw in a stable relationship after operation, a generation method thereof, electronic equipment and a storage medium.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a shell-like dental kit comprising: a first shell-like body having a tooth receiving cavity for receiving a plurality of upper jaw teeth; the second shell-shaped body is provided with a tooth receiving cavity for receiving a plurality of teeth of the lower jaw, and is characterized in that a rear tooth area of the first shell-shaped body is provided with a main positioning element which extends towards the opposite jaw direction on the surface of the first shell-shaped body; the rear tooth area of the second shell-shaped body is provided with an auxiliary positioning element, and the auxiliary positioning element extends towards the opposite jaw direction on the surface of the second shell-shaped body; the main positioning element and the auxiliary positioning element are matched with each other to restrict the relative movement of the upper jaw and the lower jaw in the sagittal direction; the front tooth area of the first shell-shaped body is provided with a main jaw locking element, the front tooth area of the second shell-shaped body is provided with an auxiliary jaw locking element, and the main jaw locking element and the auxiliary jaw locking element are matched with each other to restrict relative movement of the upper jaw and the lower jaw in the horizontal direction and the vertical direction.

Preferably, the primary positioning element is provided on a buccal surface of the first shell-like body, and the secondary positioning element is provided on a buccal surface of the second shell-like body; or the main positioning element is arranged on the buccal surface and the occlusal surface of the first shell-shaped body, and the auxiliary positioning element is arranged on the buccal surface and the occlusal surface of the second shell-shaped body.

Preferably, the main latching element is disposed between the tooth receiving cavities of the first shell-like body accommodating teeth # 1-1.

Preferably, the anterior tooth area of the first shell-shaped body is provided with a first main jaw locking element and a second main jaw locking element; the first and second main jaw elements are symmetrically arranged about a tooth midline. Preferably, the first and second main jaw locking elements are arranged between the tooth receiving cavities of the first shell-like body accommodating teeth No. 2-4.

Preferably, the first and second main jaw elements cover at least part of the labial side of the tooth receiving cavity of the first shell-like body accommodating tooth number 2 and part of the labial side of the tooth receiving cavity of tooth number 3.

Preferably, the second shell-like body is provided with a first secondary latch element and a second secondary latch element at corresponding positions of the first main latch element and the second main latch element.

Preferably, the main latch element can be dislocated and separated from the auxiliary latch element under the action of force.

Preferably, the main latching element is flexibly buckled with the auxiliary latching element.

Preferably, one end of the main jaw locking element, which is far away from the gum, is provided with a buckling structure buckled with the auxiliary jaw locking element.

Preferably, the lateral surface of the primary positioning element adjacent to the secondary positioning element and the lateral surface of the secondary positioning element adjacent to the primary positioning element are in stable contact with each other to constrain relative movement in the sagittal direction of the upper and lower jaw dentition.

Preferably, the primary positioning element is disposed between the tooth receiving cavities of the first shell-like body that receive teeth 5-7; the secondary positioning element is arranged between the tooth receiving cavities of the second shell-shaped body for accommodating No. 5-7 teeth.

Preferably, the primary positioning element comprises a first primary positioning element and the second primary positioning element, the first primary positioning element and the second primary positioning element being symmetrically arranged about the tooth midline.

Preferably, the main jaw locking element and the first shell-shaped body are of an integral structure, and the main jaw locking element is formed by protruding a labial side surface of at least one tooth receiving cavity of the anterior tooth area of the first shell-shaped body towards the far tooth direction and extending towards the opposite jaw direction.

Preferably, the primary latchings element extends beyond the jaw plane of the lower jaw in the opposite jaw direction.

Preferably, the height of the main latch element protrusion is 2mm to 4 mm.

Preferably, the main latch element is arranged at a distance from the gingival end edge of the first shell-like body.

Preferably, the main jaw locking element and the first shell-shaped body are of a split structure, and the main jaw locking element is fixedly connected to the second shell-shaped body.

Preferably, the first shell-like body has a first bonding surface and the main jaw locking element has a second bonding surface; the first bonding surface and the second bonding surface enable the main jaw locking element to be fixedly connected to the first shell-shaped body in a bonding mode.

Preferably, the main latch element is fixedly connected to the lip side of the first shell-like body by means of ultrasonic welding.

Preferably, the stiffness of the main latching element is greater than the stiffness of the first shell-like body.

Preferably, the elastic modulus of the material of the main latching element is greater than the elastic modulus of the material of the first shell-like body.

Preferably, the primary latching element is a multi-layered structure.

Preferably, the thickness of the main latching element is greater than the thickness of the first shell-like body.

Preferably, the labial side of the primary latching element is provided with a reinforcing ridge.

Preferably, the primary locking jaw element is of at least partially solid construction.

Preferably, the primary latching element is a hollow structure.

Preferably, the occlusal surface of the first shell-shaped body and/or the second shell-shaped body is provided with a retention part engaged with the jaw, and the retention part keeps the upper and lower jaws stable when suspended.

Preferably, the height of the retainer portion protruding in the opposite jaw direction is set so that the upper and lower dentitions of the first shell-shaped body and the second shell-shaped body are stabilized at a target occlusion position after wearing.

Preferably, the occlusal surface of the retainer is concave-convex matched with the occlusal surface of the tooth corresponding to the jaw dentition.

Preferably, the occlusal surface of the retainer has an occlusal mark conforming to the shape of the corresponding tooth of the opposite jaw dentition.

Preferably, the retainer includes a first retainer and a second retainer, and the first retainer and the second retainer are symmetrically disposed about a tooth centerline.

The shell-shaped dental instrument set provided by the utility model can bring at least one of the following beneficial effects:

1. according to the shell-shaped dental instrument set, the positioning element and the jaw locking element are designed to realize the stability of the upper jaw and the lower jaw in the three-dimensional direction after a patient wears the dental instrument set after operation, additional elastic traction is not needed, the upper jaw and the lower jaw can be maintained at the same repeatable position during the mouth closing process, and the positioning stability of the upper jaw and the lower jaw of the patient after the operation is improved. In addition, the positioning element and the jaw locking element are protruded towards the far tooth direction, so that the contact of lips, cheek muscles and corresponding dentitions can be isolated, and the influence of muscle and nerve memory on the postoperative position of a jaw bone after an operation is reduced.

2. Compared with the traditional postoperative jaw plate, the shell-shaped dental instrument set has small volume, does not have extra burden on surrounding mucous membrane tissues, does not additionally increase an elastic traction device, does not have the situation that the device is embedded into a wound or mucous membrane even if the mucous membrane swells, reduces postoperative wound in the oral cavity of a patient, and reduces postoperative wound infection probability.

3. The first shell-shaped body and the second shell-shaped body of the shell-shaped dental instrument kit can be automatically taken off from the dentition, so that the oral cavity of a patient after operation is convenient to clean, and the maintenance of oral hygiene and the recovery of wound after operation are facilitated.

Drawings

The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

FIG. 1 is a schematic view of one embodiment of a shell-like dental kit according to the present invention;

FIG. 2 is a schematic view of a first shell-shaped body and a second shell-shaped body of a shell-shaped dental kit of the present invention mated with each other;

FIG. 3 is a schematic view of the process of fastening the primary and secondary latch elements of the present invention;

FIG. 4 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 5 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 6 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 7 is a schematic view of the skull;

FIG. 8 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 9 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 10 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 11 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 12 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 13 is a schematic view of another embodiment of a shell-like dental kit according to the present invention;

FIG. 14 is a flow chart of a method of producing a shell-like dental kit according to the present invention;

fig. 15 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

The shell-shaped dental instrument set is worn on the dentition of a patient after orthognathic surgery, and the jaw relation is stably maintained by controlling the dentition. The first shell-shaped body 1 is worn on the maxillary dentition, and the second shell-shaped body 2 is worn on the mandibular dentition of the patient, so that the maxillary and mandibular dentitions are stably maintained at the target position after the orthognathic surgery, and the movement in the three-dimensional direction of the maxillary and mandibular dentitions is restrained by the mutual engagement of the main positioning element 12 and the sub-positioning element 22 and the mutual engagement of the main latching element 11 and the sub-latching element 21.

Referring to fig. 1 and 2, the shell-shaped dental kit includes a first shell-shaped body 1 having a tooth receiving cavity for receiving a plurality of upper teeth and a second shell-shaped body 2 having a tooth receiving cavity for receiving a plurality of lower teeth, wherein the tooth receiving cavity of the first shell-shaped body 1 and the tooth receiving cavity of the second shell-shaped body 2 are respectively matched with the upper jaw dentition teeth and the lower jaw dentition teeth of a patient, and can be fitted to the crown portion covering the teeth of the patient, so that the shell-shaped dental kit cannot fall off from the dentition after a surgery.

The posterior dental area of the first shell-shaped body 1 is provided with a main positioning element 12, and the main positioning element 12 extends towards the opposite jaw direction on the surface of the first shell-shaped body 1. The posterior dental area of the second shell-like body 2 is provided with a secondary positioning element 22, the secondary positioning element 22 extends towards the opposite jaw direction on the surface of the second shell-like body 2, and the primary positioning element 12 and the secondary positioning element 22 cooperate with each other to restrict the relative movement of the upper jaw and the lower jaw in the sagittal direction. Preferably, the main positioning element 12 is disposed on the buccal side surface of the first shell-shaped body 1, or the main positioning element 12 is disposed on the buccal side surface and the occlusal surface of the first shell-shaped body 1, and the general oral cavity structure of the human body is that the buccal side has a buccal corridor, which is a gap between the first shell-shaped body 1 and the cheek, so that there is enough space for disposing the main positioning element 12 on the buccal side surface of the first shell-shaped body 1; in addition, when the target positions of the upper and lower teeth of the patient need to leave a certain space between the occlusal surfaces of the upper and lower teeth so that the posterior tooth areas of the upper and lower teeth are not contacted, the main positioning element 12 can be partially arranged on the occlusal surface of the first shell-shaped body 1, so that the teeth of the posterior tooth area of the lower teeth of the patient can be directly bitten on the main positioning element 12, and the upper and lower teeth can be stably kept at the target position of the orthognathic operation. Similarly, the auxiliary positioning element 22 may also be disposed on the buccal surface of the second shell-shaped body 2, or the auxiliary positioning element 22 may be disposed on the buccal surface and the occlusal surface of the second shell-shaped body 2.

The front tooth area of the first shell-shaped body 1 is provided with a main jaw locking element 11, the front tooth area of the second shell-shaped body 2 is provided with an auxiliary jaw locking element 21, and the main jaw locking element 11 and the auxiliary jaw locking element 21 are matched with each other to restrict relative movement of the upper jaw and the lower jaw in the horizontal direction and the vertical direction. Wherein the "posterior dental area" is defined according to the classification of teeth in the 2 nd edition of "introduction to oral medicine" published by Beijing university medical Press, pages 36-38, including premolar and molar teeth, and is represented by FDI notation of 4-8 teeth and FDI notation of anterior dental area is represented by 1-3 teeth. The anterior tooth district of shell form body can be used to hold the middle incisor, the side incisor and the cuspid of tooth, and the back tooth district of shell form body can be used to hold first preceding molar, the second preceding molar, first molar, the second molar and the third molar of tooth.

Specifically, when the shell-like dental kit is worn, the lateral surface 12a of the primary positioning member 12 adjacent to the secondary positioning member 22 and the lateral surface 22a of the secondary positioning member 22 adjacent to the primary positioning member 12 are stably contacted with each other to restrain the relative movement of the upper and lower mandibular dentitions in the sagittal direction, i.e., the restraining force between the primary positioning member 12 and the secondary positioning member 22 has a component in the sagittal direction. The side surface 12a and the side surface 22a may be configured as a concave-convex matching curved surface or plane, and when the side surface 12a and the side surface 22a are planar, the contact surface therebetween is preferably configured to be perpendicular to the sagittal direction to ensure that sufficient binding force is formed between the primary positioning element 12 and the secondary positioning element 22.

In some embodiments, the primary jaw locking element 11 on the first shell-like body 1 and the secondary jaw locking element 21 on the second shell-like body 2 constrain the relative movement of the upper and lower jaw in the horizontal and vertical directions by means of a snap/snap position. The main jaw locking element 11 extends from the labial side of the first shell-like body 1 in the opposite jaw direction over the jaw plane of the lower jaw, which is the plane formed by the connection of the lower jaw first molar cusp and the lower central incisor crest. The extending end, namely the end far away from the gum, is provided with a buckling structure buckled with the auxiliary latch element 21, and the auxiliary latch element 21 is a bulge formed by protruding the tooth receiving cavity of the at least one second shell-shaped body 2 towards the far tooth direction. When the patient's dentition is in the target position, the primary and secondary latch elements 11, 21 are in a latched state. The buckling relation between the main jaw locking element 11 and the auxiliary jaw locking element 21 is flexible buckling, and the main jaw locking element 11 is made of a high polymer material with an elastic model of 800-2000 Mpa. Referring to fig. 3, the flexible snap-fitting process of the primary and secondary latchet members 11, 21 is shown. In addition, referring to fig. 4, a groove 11b engaged with the sub-latch element 21 may be formed on a lingual side of the end of the main latch element 11 away from the gum, and the size of the groove 11b is slightly larger than that of the sub-latch element 21, so as to facilitate the engagement of the main latch element 11 and the sub-latch element 21, and after the engagement, there is no relative movement between the groove 11b and the sub-latch element 21 that would affect the dentition effect of the shell-shaped dental instrument set. When a patient needs to clean the oral cavity or needs to remove the shell-shaped dental instrument set after operation, the constraint relation between the first shell-shaped body 1 and the second shell-shaped body 2 can be released only by separating the main jaw locking element 11 from the auxiliary jaw locking element 21, and the patient can remove the first shell-shaped body 1 and the second shell-shaped body 2 from the dentition after opening the mouth. First shell body 1 and the second shell body 2 of shell dental instrument suit can be taken from the dentition by oneself and wear according to the demand, and the patient's of being convenient for postoperative oral cavity is clean, does benefit to oral hygiene's the maintenance and the recovery of postoperative wound. The flexible buckling in this application means that the main latch element 11 can be deformed to some extent during the buckling process to achieve the buckling relation with the auxiliary latch element 21.

In some embodiments, referring to fig. 5, the main latch element 11 is arranged between the tooth receiving cavities of the first shell-like body 1 accommodating the teeth No. 1-1, in particular, the main latch element 11 is arranged on the labial sides of the two tooth receiving cavities of the teeth No. 1-1 and covers the labial sides of the two tooth receiving cavities of the teeth No. 1-1, respectively.

Alternatively, in some embodiments, as illustrated with reference to fig. 6, the main latchable element 11 comprises a first main latchable element 111 and a second main latchable element 112 arranged between the tooth receiving cavities of the first shell-like body 1 accommodating the number 2-4 teeth and symmetrically arranged with respect to the tooth midline P-P'. The symmetrical arrangement can evenly distribute the load and can increase the constraint force of the jaw locking element on the relative movement between the upper jaw and the lower jaw. Preferably, the first main locking jaw element 111 and the second main locking jaw element 112 cover at least part of the labial face of the tooth receiving cavity of the first shell-like body 1 accommodating the No. 2 tooth and part of the labial face of the tooth receiving cavity of the No. 3 tooth. Likewise, the primary positioning element 12 comprises a first primary positioning element 121 and a second primary positioning element 122, the first primary positioning element 121 and said second primary positioning element 122 being symmetrically arranged with respect to the tooth median line P-P'. The first 121 and second 122 main positioning elements are arranged between the teeth receiving cavities of the first shell-like body 1 accommodating the 5-7 teeth, preferably the first 121 and second 122 main positioning elements are arranged between the teeth receiving cavities of the first shell-like body 1 accommodating the 6-7 teeth, i.e. the first 121 and second 122 main positioning elements cover at least part of the labial side of the teeth receiving cavities of the first shell-like body 1 accommodating the 6-teeth and part of the labial side of the teeth receiving cavities of the 7-teeth. Referring to fig. 7, the first and second main jaw elements 111 and 112 are disposed at the corresponding nasal maxillary struts of the number 2-3 teeth; the first primary positioning element 121 and the second primary positioning element 122 are positioned at the corresponding zygoma maxillary braces of the number 2-3 teeth. This has the advantage that the nasal maxillary struts can withstand large forces as the connection between the maxilla and the nasal bone. Similarly, the zygomatic maxillary struts as the maxillary and zygomatic junction can also withstand higher forces.

In some embodiments, referring to fig. 8, the main latch element 11 is integrated with the first shell-shaped body 1, the main latch element 11 is formed by protruding from the labial side of at least one tooth receiving cavity in the anterior tooth area of the first shell-shaped body 1 to the far tooth direction and extending to the opposite jaw direction, and the height of the protrusion of the main latch element 11 to the far tooth direction is 2mm to 4 mm. The reason why the protruding height of main latch element 11 can obstruct the muscle memory of the lip muscle and exert unexpected power to the dentition is not more than 4mm in anterior teeth area is that when obstructing the lip muscle, the protruding tension that can cause the lip muscle that is more than 4mm, and the tension of lip muscle can exert unexpected power to first shell form body 1 to cause the dentition to drive the maxilla and take place unexpected removal, influence postoperative and keep the effect.

Similarly, the main positioning element 12 is formed by the buccal surface of at least one tooth receiving cavity in the posterior tooth area of the first shell-shaped body 1 protruding in the distal tooth direction and extending in the opposite jaw direction, the sub positioning element 22 is formed by the buccal surface of at least one tooth receiving cavity in the posterior tooth area of the second shell-shaped body 2 protruding in the distal tooth direction and extending in the opposite jaw direction, and the height of the protrusion of the main positioning element 12 and the sub positioning element 22 in the distal tooth direction is 2mm to 8 mm. The height of the main positioning element 12 and the auxiliary positioning element 22 protruding towards the far tooth direction is 2 mm-8 mm. The reason why the protruding height of main locating element 12 can obstruct the muscle memory of buccinator and exert unexpected power to the dentition is not more than 8mm in the protruding height in back dental zone is when obstructing buccinator, and the arch is greater than 8mm and can cause the tension of buccinator, and the tension of buccinator can exert unexpected power to first shell body 1 to cause the dentition to drive the maxillary bone and take place unexpected removal, influence postoperative and keep the effect.

In some embodiments, referring to fig. 8, the main latch element 11 is arranged at a distance h from the gingival end margin of the first shell-like body 1, i.e. the main latch element 11 is located 1/3-1/2 from the gingival margin adjacent to the gingival margin for the entire crown height. The adjacent gingival part of the tooth containing cavity where the main jaw locking element 11 is located can be attached to wrap the teeth contained in the tooth containing cavity, so that the wrapping performance of the tooth containing cavity where the main jaw locking element 11 is located on the teeth is guaranteed, and food residues can be prevented from entering the cavity of the main jaw locking element 11.

In some embodiments, referring to fig. 9, the main latch element 11 is a separate structure from the first shell-shaped body 1, and the main latch element 11 is fixedly connected to the first shell-shaped body 1. The first shell-like body 1 has a first bonding surface 11c, said main occlusion element 11 having a second bonding surface 11 b; the first bonding surface 11c and the second bonding surface 11b fixedly connect the main latch element 11 to the first shell-shaped body 1 by bonding. The main latch element 11 can also be fixedly connected to the labial side of the first shell-like body 1 by means of ultrasonic welding.

In some embodiments, referring to fig. 10, the first shell-like body 1 is provided with a mounting table 14 for mounting the main latch element 11, the mounting table having a first bonding surface 11c thereon, the main latch element 11 having a second bonding surface 11 b. The surface of the first bonding surface 11c is matched with the surface of the second bonding surface 11b in shape, and preferably, a plane which is easy to manufacture into an industrial standard piece is adopted, so that the uniform standard is realized in the production process, and the mass production and the manufacture are convenient.

In some embodiments, referring to fig. 11, when the main latch element 11 and the first shell-shaped body 1 are in a split structure, the first shell-shaped body 1 and the main latch element 11 have a structure of mutual engagement, and the engagement portion 15 on the first shell-shaped body 1 and the engagement portion 16 of the main latch element 11 cooperate to detachably fix the main latch element 11 on the first shell-shaped body 1, such as a mortise-and-tenon structure. When the patient does not need the main latchable element 11 to constrain the relationship between the upper and lower jaws, the main latchable element 11 can be removed from the first shell-like body.

In some embodiments, the stiffness of the main latching element 11 is greater than the stiffness of the first shell-like body 1. The modulus of elasticity of the material of the main jaw element 11 is greater than the modulus of elasticity of the material of the first shell-like body 1. The thickness of the main clicker element 11 may be slightly larger than the thickness of the first shell-like body 1, e.g. the thickness of the first shell-like body 1 is in the range of 0.5mm-1.0mm, the thickness of the main clicker element 11 is in the range of 0.55mm-1.05 mm. Or, the main latch component 11 is a multi-layer structure, which enhances the strength of the main latch component 11, thereby improving the latch force of the main latch component 11. The multi-layer structure comprises at least an inner layer on the side close to the teeth and an outer layer on the side far from the teeth. Wherein the elastic modulus of the outer layer material may be greater than the elastic modulus of the inner layer material. The inner layer material may be selected to have a modulus of elasticity in the range of 0.2Mpa to 500Mpa and the outer layer material may be selected to have a modulus of elasticity in the range of 0.5Mpa to 600 Mpa. Alternatively or in combination, the thickness of the outer layer may be greater than the thickness of the inner layer, the thickness of the inner layer may be in the range from 0.05mm to 0.5mm, and the thickness of the outer layer may be in the range from 0.3mm to 0.7 mm.

In some embodiments, the primary latchable member 11 is an at least partially solid structure that can enhance the strength of the primary latchable member 11, and the solid structure can inhibit food debris from being retained within the cavity of the primary latchable member 11, preventing bacterial growth. Alternatively, the main latch element 11 has a hollow structure, and when the main latch element 11 having the hollow structure and the first shell-shaped body 1 are integrally formed, the main latch element can be manufactured by using a hot-pressing film technology, which is suitable for mass production.

Sometimes, teeth are orthodontic after orthognathic surgery, so when a doctor designs the positions of the upper jaw and the lower jaw after surgery, a target position can enable the upper jaw and the lower jaw to be suspended to leave a space for the movement of orthodontic teeth. In order to enhance the stability between the upper and lower jaws when the target positions of the upper and lower jaws are in a suspended state, in some embodiments, the occlusal surface of the first shell-shaped body 1 and/or the second shell-shaped body 2 is provided with a retention portion 13 engaged with the opposing jaw, and the retention portion 13 keeps the upper and lower jaws stable when suspended. Referring to fig. 12 and 13, the height of the retainer 13 protruding in the opposite jaw direction stabilizes the upper and lower dentitions in the target occlusal position after wearing the first and second shell-shaped bodies 1 and 2. Furthermore, the occlusal surface of the retainer 13 may be concave-convex matched with the occlusal surface of the tooth corresponding to the jaw dentition. Specifically, the occlusal surface of the retention portion 13 has an occlusal impression conforming to the shape of the corresponding teeth of the opposite jaw dentition, so that the upper jaw teeth wearing the first shell-like body 1 and the lower jaw teeth wearing the second shell-like body 2 are in a stable state without undesired movement. In some embodiments, the retaining portion 13 includes a first retaining portion 131 and a second retaining portion 132, and the first retaining portion 131 and the second retaining portion 132 are symmetrically disposed about the tooth midline.

The utility model also discloses a method for generating the shell-shaped dental instrument kit, which is shown in figure 14.

Step 101, generating a digital model. The method for acquiring the digitized upper jaw model and the digitized lower jaw model of the patient is not limited by the way or route of acquiring the digitized upper jaw model and the digitized lower jaw model of the patient, which are provided by medical staff or other professionals, or by acquiring the digitized upper jaw model and the digitized lower jaw model of the patient generated and input by other devices.

Step 102, positioning element setting. Arranging a main positioning element in a posterior tooth area of the digital upper jaw model, and arranging a main occlusion element in an anterior tooth area of the digital upper jaw model to form a digital target upper jaw model; arranging an auxiliary positioning element in a posterior dental area of the digital lower jaw model, arranging an auxiliary locking jaw element in an anterior dental area of the digital lower jaw model, and digitizing the target lower jaw model; the main positioning element extends towards the opposite jaw direction at the cheek side surface of the patient, and the auxiliary positioning element extends towards the opposite jaw direction at the cheek side surface of the patient; the main positioning element and the auxiliary positioning element are matched with each other to restrict the relative movement of the upper jaw and the lower jaw in the sagittal direction; the main jaw locking element and the auxiliary jaw locking element 21 are matched with each other to restrain the relative movement of the upper jaw and the lower jaw in the horizontal direction and the vertical direction;

step 103, manufacturing a shell-shaped dental instrument kit. And respectively manufacturing a first shell-shaped body with a tooth receiving cavity for accommodating a plurality of teeth of the upper jaw and a second shell-shaped body with a tooth receiving cavity for accommodating a plurality of teeth of the lower jaw according to the digital target upper jaw model and the digital target lower jaw model.

Step 103 of manufacturing the shell-like dental kit may employ additive manufacturing.

In the present embodiment, the shell-shaped dental instrument set is generated by a method of generating the shell-shaped dental instrument set in consideration of the expansion of the hard palate, wherein the shell-shaped dental instrument set is materialized by a method of generating a digitized model of a first shell-shaped body and a digitized model of a second shell-shaped body from a digitized target upper jaw model and a digitized target lower jaw model.

The additive manufacturing can also be called 3D printing, combines computer aided design, material processing and forming technology, and is a manufacturing technology for manufacturing solid articles by stacking special metal materials, non-metal materials and medical biomaterials layer by layer in modes of extrusion, sintering, melting, photocuring, spraying and the like through software and a numerical control system on the basis of a digital model file.

Step 103 of manufacturing the shell-shaped dental kit may be performed by means of hot-pressing a film.

Firstly, manufacturing a solid model of a digital target upper jaw model and a digital target lower jaw model in an additive manufacturing mode, and then manufacturing a shell-shaped dental instrument set by performing hot pressing film on the solid model.

It should be noted that, in practical applications, one logical unit may be one physical unit, may be a part of one physical unit, and may also be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.

One embodiment of the utility model relates to an electronic device, as shown in FIG. 15, comprising at least one processor 401; and the number of the first and second groups,

a memory 402 communicatively coupled to the at least one processor 401; wherein,

the memory 402 stores instructions executable by the at least one processor 401 to enable the at least one processor 401 to perform a method of generating a shell-like dental kit, the instructions being executable by the at least one processor 401.

Where the memory and processor are connected by a bus, the bus may comprise any number of interconnected buses and bridges, the buses connecting together one or more of the various circuits of the processor and the memory. The bus may also connect various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor is transmitted over a wireless medium via an antenna, which further receives the data and transmits the data to the processor.

The processor is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And the memory may be used to store data used by the processor in performing operations.

One embodiment of the present invention relates to a computer-readable storage medium storing a computer program. The computer program realizes the above-described method embodiments when executed by a processor.

That is, those skilled in the art can understand that all or part of the steps in the method according to the above embodiments may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, etc.) or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.

It should be noted that, the above examples can be freely combined as required to form different new embodiments without contradiction, and the embodiments formed after the combination are all within the protection scope of the present invention, and are not described herein again in order to save space in the application text.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Similarly, the above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (32)

1. A shell-like dental kit comprising: a first shell-like body having a tooth receiving cavity for receiving a plurality of upper jaw teeth; the second shell-shaped body is provided with a tooth receiving cavity for accommodating a plurality of teeth of the lower jaw, and is characterized in that a main positioning element is arranged in the rear tooth area of the first shell-shaped body and extends towards the opposite jaw direction on the surface of the first shell-shaped body; the rear tooth area of the second shell-shaped body is provided with an auxiliary positioning element, and the auxiliary positioning element extends towards the opposite jaw direction on the surface of the second shell-shaped body; the primary positioning element and the secondary positioning element are matched with each other to restrain relative movement of the upper jaw and the lower jaw in a sagittal direction; the front tooth area of the first shell-shaped body is provided with a main jaw locking element, the front tooth area of the second shell-shaped body is provided with an auxiliary jaw locking element, and the main jaw locking element and the auxiliary jaw locking element are matched with each other to restrict relative movement of the upper jaw and the lower jaw in the horizontal direction and the vertical direction.

2. The shell-like dental kit of claim 1, wherein the primary positioning element is disposed on a buccal side of the first shell-like body and the secondary positioning element is disposed on a buccal side of the second shell-like body; or the main positioning element is arranged on the buccal surface and the occlusal surface of the first shell-shaped body, and the auxiliary positioning element is arranged on the buccal surface and the occlusal surface of the second shell-shaped body.

3. The shell-like dental kit of claim 1, wherein the primary locking jaw element is disposed between the tooth receiving cavities of the first shell-like body that receive teeth # 1-1.

4. The shell-like dental kit of claim 1, wherein the anterior tooth zone of the first shell-like body is provided with a first and a second main jaw element; the first and second main jaw locking elements are symmetrically arranged about a dental midline.

5. The shell-like dental kit of claim 4, wherein the first and second main jaw elements are disposed between the tooth receiving cavities of the first shell-like body that receive teeth # 2-4.

6. The shell-like dental kit of claim 5, wherein the first and second main locking jaw elements cover at least a partial labial side of the tooth receiving cavity of the first shell-like body accommodating No. 2 teeth and a partial labial side of the tooth receiving cavity of No. 3 teeth.

7. The shell-like dental kit of claim 6, wherein the second shell-like body is provided with first and second secondary jaw locking elements at corresponding positions of the first and second main jaw locking elements.

8. The shell-like dental kit of claim 1, wherein the primary latchable member is force disengageable from the secondary latchable member.

9. The shell-like dental kit of claim 8, wherein the primary and secondary jaw elements are flexibly snap-fitted.

10. The shell-like dental kit of claim 9, wherein the primary latchet member has a snap-fit structure at an end thereof distal from the gingiva for snap-fitting with the secondary latchet member.

11. The shell-like dental kit of claim 1, wherein lateral surfaces of the primary positioning element adjacent the secondary positioning element and lateral surfaces of the secondary positioning element adjacent the primary positioning element are in stable contact with each other to constrain relative movement in the sagittal direction of the upper and lower dentitions.

12. The shell-like dental kit of claim 1, wherein the primary positioning element is disposed between the tooth receiving cavities of the first shell-like body that receive teeth 5-7; the secondary positioning element is arranged between the tooth receiving cavities of the second shell-shaped body for accommodating No. 5-7 teeth.

13. The shell-like dental kit of claim 12, wherein the primary positioning elements comprise first and second primary positioning elements, the first and second primary positioning elements being symmetrically disposed about the midline of the tooth.

14. The shell-like dental kit of claim 1, wherein the main locking jaw element is integrally formed with the first shell-like body, and the main locking jaw element is formed by a labial side surface of at least one tooth receiving cavity of the anterior dental zone of the first shell-like body protruding in a distal direction and extending in an opposite jaw direction.

15. The shell-like dental kit of claim 14, wherein the primary latchings element extends beyond a jaw plane of the lower jaw in an antipodal direction.

16. The shell-like dental kit of claim 14, wherein the height of the main locking jaw element protrusions is between 2mm and 4 mm.

17. The shell-like dental kit of claim 14, wherein the primary latchings component is disposed at a distance from a gingival margin of the first shell-like body.

18. The shell-like dental kit of claim 1, wherein the main latch element is a separate structure from the first shell-like body, the main latch element being fixedly attached to the second shell-like body.

19. A shell-like dental kit according to claim 18, wherein the first shell-like body has a first bonding surface and the main cliche element has a second bonding surface; the first bonding surface and the second bonding surface enable the main jaw locking element to be fixedly connected to the first shell-shaped body in a bonding mode.

20. The shell-like dental kit of claim 18, wherein the primary locking jaw element is fixedly attached to the labial side of the first shell-like body by means of ultrasonic welding.

21. The shell-like dental kit of claim 18, wherein the stiffness of the primary latch member is greater than the stiffness of the first shell-like body.

22. The shell-like dental kit of claim 21, wherein the modulus of elasticity of the material of the main jaw element is greater than the modulus of elasticity of the material of the first shell-like body.

23. The shell-like dental kit of claim 21, wherein the main locking jaw element is a multi-layered structure.

24. The shell-like dental kit of claim 21, wherein the thickness of the primary keying element is greater than the thickness of the first shell-like body.

25. The shell-like dental kit of claim 21, wherein the labial side of the primary locking jaw element is provided with reinforcing ridges.

26. The shell-like dental kit of claim 14, wherein the primary locking jaw element is an at least partially solid structure.

27. The shell-like dental kit of claim 14, wherein the primary locking jaw element is a hollow structure.

28. The shell-shaped dental kit of claim 1, wherein the occlusal surface of the first shell-shaped body and/or the second shell-shaped body is provided with a retention portion that engages the opposing jaw, the retention portion stabilizing the upper and lower jaws when suspended.

29. The set of shell-shaped dental instruments of claim 28, wherein the first and second shell-shaped bodies are stabilized in a target bite position by setting the height of the retainer protruding in the opposite jaw direction.

30. The kit of claim 28, wherein the occlusal surface of the retainer is configured to be concavo-convex to match the occlusal surface of the corresponding tooth of the jaw dentition.

31. The shell-like dental kit of claim 30, wherein the occlusal surface of the retainer has an occlusal impression conforming to the shape of the corresponding tooth of the opposite jaw dentition.

32. The shell-like dental kit of claim 28, wherein the retainers include first and second retainers symmetrically disposed about a midline of the tooth.

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