Invisible mandibular leading appliance

Abstract

The invention provides an invisible mandibular leading appliance which comprises an upper mandibular appliance module, a lower mandibular appliance module and leading force adjusting structures, wherein the leading force adjusting structures are symmetrically arranged in rear tooth areas on the two sides of the mandibular leading appliance, and the leading force applied to the mandible by the mandibular leading appliance is changed; the leading force sensor is arranged in the leading force adjusting structure and used for detecting the leading force applied to the mandible by the leading force adjusting structure; the tooth surface force sensor array is distributed on the tissue surface of the invisible mandibular leading appliance and is used for detecting orthodontic force on the surface of each tooth; the perioral muscle pressure sensor is used for detecting the pressure of the perioral muscle group; the wireless transmission structure is electrically connected with the leading force sensor, the tooth surface force sensor array and the perioral muscle pressure sensor and is used for being in wireless communication connection with external equipment and transmitting detection results of the leading force, the orthodontic force and the pressure of the perioral muscle group.

Description

Technical Field

[0001] This invention relates to the field of orthodontic equipment technology, and more particularly to an invisible mandibular pre-orthodontic appliance. Background Technology

[0002] Mandibular retrusion is a common maxillofacial developmental problem, and functional orthodontics is one of the mainstream treatment methods. Traditional mandibular anterior guiding appliances mostly use mechanical adjustment structures, such as screws and springs. These mechanical structures achieve the adjustment of the anterior guiding amount by manually turning or replacing components, which is cumbersome and difficult to perform directly inside the mouth.

[0003] In practical applications, because these traditional orthodontic appliances completely lack mechanical feedback capabilities, doctors cannot know the magnitude and distribution of the applied force or the biomechanical response of the perioral muscles. They can only rely on experience to estimate, which can easily lead to excessive orthodontic force causing temporomandibular joint disorders and tooth and periodontal damage, or insufficient orthodontic force failing to achieve the orthodontic goal.

[0004] To address this issue, some orthodontic appliances have begun to incorporate force-sensing elements, such as simple force measurement devices based on strain gauges. However, the sensor detection methods and results of these appliances are relatively simple, making it difficult to meet the needs of precise clinical diagnosis and remote monitoring. Summary of the Invention

[0005] This invention provides an invisible mandibular pre-orthodontic appliance, which aims to solve the technical problem that existing appliances cannot meet the needs of precise clinical diagnosis and remote monitoring.

[0006] In a first aspect, embodiments of the present invention provide an invisible mandibular pre-orthodontic appliance, comprising: a maxillary appliance module, a mandibular appliance module, and the following functional modules: a pre-orthodontic force adjustment structure, wherein the pre-orthodontic force adjustment structure is symmetrically disposed in the bilateral posterior tooth regions of the mandibular pre-orthodontic appliance, located between the maxillary appliance module and the mandibular appliance module; the pre-orthodontic force adjustment structure is used to: change the pre-orthodontic force applied to the mandible by the mandibular pre-orthodontic appliance; a pre-orthodontic force sensor, wherein the pre-orthodontic force sensor is disposed in the pre-orthodontic force adjustment structure, for detecting the pre-orthodontic force applied to the mandible by the pre-orthodontic force adjustment structure; and a tooth surface force sensor. The appliance comprises an array of tooth surface force sensors distributed on the tissue surface of the invisible mandibular pre-orthodontic appliance to detect the orthodontic force applied by the appliance to each tooth surface; a perioral muscle pressure sensor disposed in one or more functional areas of the appliance to detect the pressure of the perioral muscle group; and a wireless transmission structure electrically connected to the pre-orthodontic force sensor, tooth surface force sensor, and perioral muscle pressure sensor to wirelessly connect with external devices and transmit the detection results of the pre-orthodontic force, the orthodontic force, and the pressure of the perioral muscle group.

[0007] Optionally, the pre-leading force adjustment structure includes: a rotatable threaded rod axially disposed inside the maxillary appliance module; an adjustment knob connected to one end of the threaded rod, located on the buccal or palatal side of the maxillary appliance module; and a nut engaging the threaded rod; the nut being fixedly disposed within the mandibular appliance module; wherein, in response to an operation applied to the adjustment knob, the rotational motion of the threaded rod is converted into linear motion of the nut along the threaded rod to generate different pre-leading forces.

[0008] Optionally, the leading force sensor includes a piezoresistive force sensor or a capacitive force sensor; wherein the leading force sensor is disposed between the end of the threaded screw and the receiving seat of the mandibular appliance module.

[0009] Optionally, the pre-leading force adjustment structure includes: a first magnetic component disposed within the maxillary appliance module; a second magnetic component disposed within the mandibular appliance module; and a micro-adjustment unit disposed within the maxillary appliance module for adjusting the gap between the first magnetic component and the second magnetic component; wherein, in response to an operation applied to the micro-adjustment unit, the magnetic pole spacing between the first magnetic component and the second magnetic component changes to form different pre-leading forces.

[0010] Optionally, one of the first magnetic component or the second magnetic component is an electromagnet; wherein, different leading forces are formed in response to changes in the magnitude of the input current of the electromagnet.

[0011] Optionally, the leading force sensor includes a piezoresistive force sensor or a capacitive force sensor; wherein the leading force sensor is disposed at the force-receiving interface corresponding to the first magnetic component in the mandibular appliance module.

[0012] Optionally, the tooth surface force sensor array includes a flexible piezoelectric thin film network composed of multiple micro-sensing units; wherein the area of ​​the sensing unit ranges from 1 mm² to 4 mm², the number of the sensor units is 40 to 60, and they are distributed and attached to the inner side of the invisible mandibular pre-orthodontic appliance in the area in close contact with the labial, lingual, and incisal / occlusal surfaces of the teeth, in order to detect the orthodontic force applied to each tooth surface and generate a corresponding spatial distribution cloud map.

[0013] Optionally, the perioral muscle pressure sensor includes a transparent piezoelectric film sensor; the functional area includes the region corresponding to the orbicularis oris muscle in the center of the labial base of the maxillary appliance, and the region corresponding to the projection of the buccal muscle body in the bilateral buccal bases; wherein, the perioral muscle pressure sensor is used to quantitatively monitor resting labial pressure, functional swallowing pressure, and muscle strength changes during speech.

[0014] Optionally, the wireless transmission structure includes: a signal conditioning circuit for processing the raw acquisition signals from the pre-guide force sensor, the tooth surface force sensor array, and the perioral muscle pressure sensor to form corresponding sensor signals; a microcontroller connected to the signal conditioning circuit for receiving the sensor signals output by the signal conditioning circuit; a wireless transmission circuit electrically connected to the microcontroller for outputting the sensor signals to an external device; and a display component electrically connected to the microcontroller for displaying at least a portion of the sensor signals; wherein the display component is disposed inside the labial base of the anterior segment of the maxillary orthodontic module or in the anterior part of the palatal dome.

[0015] At least one beneficial effect of the invisible mandibular pre-orthodontic appliance of the present invention is that it constructs a multi-dimensional mechanical monitoring network of pre-orthodontic force, tooth surface force, and perioral muscle pressure within the invisible mandibular pre-orthodontic appliance, thereby achieving comprehensive and real-time perception and feedback of the biomechanical effects of the orthodontic force system and providing data support for the optimization of orthodontic treatment plans. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the invisible mandibular pre-orthodontic appliance according to an embodiment of the present invention; Figure 2 This is a functional block diagram of the invisible mandibular pre-orthodontic appliance according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the leading force adjustment structure according to an embodiment of the present invention; Figure 4 It is an application Figure 3 A schematic diagram of the invisible mandibular pre-orthodontic appliance with a pre-leader force adjustment structure; Figure 5 This is a schematic diagram of a leading force adjustment structure according to another embodiment of the present invention; Figure 6 It is an application Figure 5 A schematic diagram of the invisible mandibular pre-orthodontic appliance with a pre-leader force adjustment structure; Figure 7 This is a functional block diagram of the wireless transmission structure according to an embodiment of the present invention. Detailed Implementation

[0017] To facilitate understanding of the present invention, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "upper," "lower," "inner," "outer," "bottom," etc., used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0019] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0020] Figure 1 This is a schematic diagram of the invisible mandibular pre-orthodontic appliance provided in an embodiment of the present invention. The invisible mandibular pre-orthodontic appliance 10 consists of two main parts: a maxillary appliance module 10a and a mandibular appliance module 10b.

[0021] Specifically, the maxillary appliance module 10a and mandibular appliance module 10b can be made of medical-grade transparent polymer materials (such as PETG or multi-layer TPU). They are formed using CAD / CAM design and 3D printing technology based on a digital model of the patient's dentition, with embedded spaces and channels pre-reserved for each functional module and wiring during the modeling stage.

[0022] like Figure 2 As shown, the functional modules of the invisible mandibular pre-orthodontic appliance 10 include: a pre-orthodontic force adjustment structure 11, a pre-orthodontic force sensor 12, a tooth surface force sensor array 13, a perioral muscle pressure sensor 14, and a wireless transmission structure 15.

[0023] The pre-guide force adjustment structure 11 is symmetrically arranged in the bilateral posterior tooth region of the mandibular pre-guide appliance. It is located between the maxillary appliance module and the mandibular appliance module and is used to change the pre-guide force applied to the mandible by the mandibular pre-guide appliance.

[0024] The leading force sensor 12 is disposed within the leading force adjustment structure and is used to detect the leading force applied to the mandible by the leading force adjustment structure. Specifically, the leading force sensor includes a piezoresistive force sensor or a capacitive force sensor.

[0025] Preferably, the leading force sensor 12 is located on the final force transmission path of the leading force adjustment structure 11, so as to directly measure and obtain the leading force.

[0026] The tooth surface force sensor array 13 consists of force sensors distributed on the tissue surface of the invisible mandibular pre-orthodontic appliance. It is used to detect the orthodontic force applied by the invisible mandibular pre-orthodontic appliance to each tooth surface, thereby enabling the generation of a corresponding spatial distribution map of orthodontic force.

[0027] Perioral muscle pressure sensors 14 are installed in one or more functional areas of the invisible mandibular prefrontal brace to detect pressure in the perioral muscle group. Specifically, these functional areas include: the area in the center of the labial base of the maxillary brace corresponding to the orbicularis oris muscle, and the areas of the bilateral buccal bases corresponding to the projection of the buccal muscle body, enabling the perioral muscle pressure sensors to quantitatively monitor resting lip pressure, functional swallowing pressure, and muscle strength changes during speech.

[0028] The wireless transmission structure 15 is an integrated electronic control system. It is electrically connected to the pre-guide force sensor 12, the tooth surface force sensor array 13, and the perioral muscle pressure sensor 14, respectively, for wireless communication with external devices to transmit the detection results of the pre-guide force, orthodontic force, and perioral muscle pressure obtained by the aforementioned detection to the external devices.

[0029] In some embodiments, the leading force adjustment structure 11 includes a leading force mechanical adjustment mode adjusted by a mechanical screw. For example... Figure 3 and Figure 4 As shown, the leading force adjustment structure 11 includes: a rotatable threaded screw 111, an adjustment knob 112, and a nut 113 that meshes with the threaded screw 111.

[0030] The threaded screw 111 is axially positioned inside the maxillary appliance module, and the adjusting knob 112 is connected to one end of the threaded screw 111, located on the buccal or palatal side of the maxillary appliance module. The nut 113 is fixedly positioned inside the mandibular appliance module.

[0031] Accordingly, the pre-leading force sensor 12 is disposed between the end of the threaded screw 111 and the receiving seat of the mandibular appliance module to realize direct measurement of the pre-leading force.

[0032] In actual use, the micro-tool is used to apply an operation to the adjustment knob 112 to control the rotation of the threaded screw 111, thereby converting the rotational motion into the linear motion of the nut 113 along the threaded screw 111, thus forming different leading forces and realizing the adjustment of the leading force.

[0033] In other embodiments, the leading force adjustment structure 11 also includes a leading force magnetic coupling adjustment mode utilizing the repulsive force between magnets. For example... Figure 5 and Figure 6 As shown, the leading force adjustment structure includes: a first magnetic component 114, a second magnetic component 115, and a micro-adjustment unit 116.

[0034] The first magnetic component 114 is disposed within the maxillary appliance module 10a, and the second magnetic component 115 is disposed within the mandibular appliance module. A micro-adjustment unit 116 is disposed within the maxillary appliance module, which can make minute adjustments to the position of the first magnetic component 114, thereby adjusting the gap between the first magnetic component 114 and the second magnetic component 115.

[0035] Accordingly, the leading force sensor 12 is disposed at the force interface corresponding to the mandibular appliance module and the first magnetic component. For example, a miniature thin-film force sensor is used and is attached between the force-bearing backplate of the mandibular magnet unit and the appliance base to directly sense the magnetic repulsion force.

[0036] In practical applications, by controlling the micro-adjustment unit 116, the spatial position of the first magnetic component 114 is changed, thereby changing the magnetic pole distance between it and the second magnetic component 115, thus forming different leading forces and realizing smooth and stepless adjustment of the leading force.

[0037] Alternatively, one of the first magnetic component 114 or the second magnetic component 115 may be an electromagnet. Thus, by changing the magnitude of the input current to the electromagnet, different leading forces can be generated, achieving smooth and stepless adjustment of the leading force.

[0038] In some embodiments, the tooth surface force sensor array 13 includes a flexible piezoelectric thin film network composed of multiple micro-sensing units. It can be composed of micro-P(VDF-TrFE) sensing units fabricated using photolithography, enabling it to seamlessly adhere to all inner surfaces of the orthodontic appliance that contact the teeth, acting like "electronic skin." This allows for the acquisition of force information for each tooth in three dimensions (labial-lingual, mesiodistal, and vertical), thereby generating a detailed mechanical distribution map that visually reveals whether the force system is balanced and whether any individual teeth are overloaded.

[0039] The area of ​​the sensing unit ranges from 1 mm² to 4 mm², and the number of the sensor units is from 40 to 60. They are distributed and attached to the inner side of the invisible mandibular pre-orthodontic appliance in the area that is in close contact with the labial, lingual, and incisal / occlusal surfaces of the teeth, in order to detect the orthodontic force applied to each tooth surface and generate a corresponding spatial distribution cloud map.

[0040] In some embodiments, the perioral muscle pressure sensor 14 includes a transparent piezoelectric thin film sensor. This sensor may be a transparent ZnO piezoelectric thin film sensor fabricated using a sputtering process, precisely patterned and embedded on the inner surface of the vestibular base of the orthodontic appliance, corresponding to the anatomical locations of key perioral muscle groups. For example, the central labial region is used to assess orbicularis oris muscle pressure during closed-mouth posture and functional activities; the bilateral buccinator regions are used to monitor the dynamic pressure of the buccinator muscles during physiological activities such as swallowing and chewing.

[0041] Therefore, the impact of the orthodontic appliance on muscle function can be assessed and abnormal muscle function activities (such as abnormal swallowing) can be detected by the detection data of the perioral muscle pressure sensor 14.

[0042] In some embodiments, such as Figure 7 As shown, the wireless transmission structure 15 includes: a signal conditioning circuit 151, a microcontroller 152, a wireless transmission circuit 153, and a display component 154.

[0043] Specifically, the aforementioned functional circuits can be integrated into the main control board and encapsulated in the thickened palate area of ​​the maxillary orthodontic appliance, protected by biocompatible epoxy resin potting. The wireless transmission structure 15 can be powered by a button battery or a micro solid-state battery, supports wireless charging, and can be equipped with a matching APP for receiving, displaying, and storing mechanical data (waveforms, values, cloud maps), and can upload the data to the doctor's diagnosis and treatment platform.

[0044] In other embodiments, please continue to refer to Figure 2 The micro solid-state battery 16 can be housed within the body of the invisible mandibular pre-orthodontic appliance 10 to power one or more other functional circuits (e.g., signal conditioning circuit 151, microcontroller 152, wireless transmission circuit 153, and display component 154) or sensors (e.g., pre-orthodontic force sensor 12, tooth surface force sensor array 13, and perioral muscle pressure sensor 14) to ensure the normal operation of the invisible mandibular pre-orthodontic appliance 10.

[0045] For example, please continue reading Figure 1The micro solid-state battery 16 is housed and fixed in the buccal position of the posterior teeth region of the maxillary orthodontic module 10a and / or the mandibular orthodontic module 10b by means of embedded encapsulation molding, adhesive bonding or covering encapsulation layer, so that the micro solid-state battery 16 is embedded within the wall thickness of the orthodontic module or attached to the wall with a low profile, thereby avoiding occupying the occlusal surface and lingual space and reducing the feeling of wearing a foreign body.

[0046] The signal conditioning circuit 151 processes the raw acquisition signals from the pre-guide force sensor, the tooth surface force sensor array, and the perioral muscle pressure sensor, and generates corresponding sensor signals after signal processing steps such as filtering. The microcontroller 152 is connected to the signal conditioning circuit 151 and receives the sensor signals output by the signal conditioning circuit 151.

[0047] Wireless transmission circuit 153 is electrically connected to microcontroller 151 for outputting sensor signals to external devices. Display component 154 is electrically connected to microcontroller 151 for displaying at least a portion of the sensor signals. For example, the display component 154 may be disposed inside the labial base of the anterior segment of the maxillary orthodontic module or in the anterior part of the palatal dome.

[0048] In actual use, after the patient puts on the orthodontic appliance, monitoring can begin automatically or on command. The treating physician can view the historical force curve and distribution cloud map through the platform, analyze whether the force system is reasonable and balanced, whether there are abnormal muscle forces or occlusal interferences, and remotely adjust the magnetic settings or decide whether a follow-up visit is needed to modify the orthodontic appliance.

[0049] In summary, the invisible mandibular preorthodontic appliance provided in this embodiment of the invention offers precise and flexible force control, providing both direct mechanical drive and non-contact magnetic drive modes, which can meet different clinical preferences and patient needs, and provide more accurate force control.

[0050] This invisible mandibular pre-guide appliance provides multi-dimensional and comprehensive biomechanical monitoring, enabling real-time synchronous monitoring of pre-guide force, tooth force, and perioral muscle force on a single appliance platform. This provides doctors with comprehensive oral biomechanical data, which helps to accurately assess the effectiveness, balance, and biocompatibility of the orthodontic force system.

[0051] This invisible mandibular preorthodontic appliance also supports data-driven and remote treatment. Based on wireless transmission technology, it establishes a data link between the patient, the appliance, and the doctor, supporting remote monitoring of the treatment process, big data analysis, and personalized treatment adjustments, laying the foundation for telemedicine and intelligent orthodontics.

[0052] This invisible mandibular pre-orthodontic appliance retains its invisible design while providing real-time assurance of treatment safety through biomechanical monitoring. Its dual-mode selection enhances clinical applicability. All functional modules are highly integrated within the appliance itself, without altering its basic shape or wearing function, making it highly clinically applicable and worthy of widespread adoption.

[0053] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. An invisible mandibular prefrontal cortex appliance, comprising: The maxillary appliance module and the mandibular appliance module are characterized in that they further include: A pre-guide force adjustment structure is symmetrically arranged in the bilateral posterior tooth regions of the mandibular pre-guide appliance, located between the maxillary appliance module and the mandibular appliance module; the pre-guide force adjustment structure is used to: change the pre-guide force applied to the mandible by the mandibular pre-guide appliance. A leading force sensor is disposed in the leading force adjustment structure and is used to detect the leading force applied to the mandible by the leading force adjustment structure. A tooth surface force sensor array, wherein the tooth surface force sensor array is distributed on the tissue surface of the invisible mandibular pre-orthodontic appliance, is used to detect the orthodontic force applied by the invisible mandibular pre-orthodontic appliance to each tooth surface; A perioral muscle pressure sensor is disposed in one or more functional areas of the invisible mandibular pre-guided orthodontic appliance to detect the pressure of the perioral muscle group. A wireless transmission structure is provided, which is electrically connected to the pre-guide force sensor, the tooth surface force sensor array, and the perioral muscle pressure sensor, respectively, for wireless communication with external devices to transmit the detection results of the pre-guide force, the orthodontic force, and the pressure of the perioral muscle group.

2. The invisible mandibular prefrontal brace according to claim 1, characterized in that, The leading force adjustment structure includes: A rotatable threaded screw, which is axially disposed inside the maxillary appliance module; An adjustment knob is connected to one end of the threaded screw and is located on the buccal or palatal side of the maxillary appliance module. A nut that engages with the threaded screw; the nut is fixedly disposed within the mandibular appliance module; In response to an operation applied to the adjustment knob, the rotational motion of the threaded screw is converted into linear motion of the nut along the threaded screw to generate different leading forces.

3. The invisible mandibular prefrontal brace according to claim 2, characterized in that, The leading force sensor includes: a piezoresistive force sensor or a capacitive force sensor; The guide force sensor is disposed between the end of the threaded screw and the receiving seat of the mandibular appliance module.

4. The invisible mandibular prefrontal brace according to claim 1, characterized in that, The leading force adjustment structure includes: A first magnetic component is disposed within the maxillary orthodontic appliance module; The second magnetic component is disposed within the mandibular appliance module; A micro-adjustment unit is disposed within the maxillary appliance module and is used to adjust the gap between the first magnetic component and the second magnetic component. In response to an operation applied to the micro-adjustment unit, the magnetic pole spacing between the first magnetic component and the second magnetic component changes to form different leading forces.

5. The invisible mandibular prefrontal brace according to claim 4, characterized in that, One of the first magnetic component or the second magnetic component is an electromagnet; In response to changes in the magnitude of the input current of the electromagnet, different leading forces are formed.

6. The invisible mandibular prefrontal brace according to claim 4, characterized in that, The leading force sensor includes: a piezoresistive force sensor or a capacitive force sensor; The guide force sensor is located at the force interface between the mandibular orthodontic module and the first magnetic component.

7. The invisible mandibular prefrontal brace according to claim 1, characterized in that, The tooth surface force sensor array includes a flexible piezoelectric thin film network composed of multiple micro-sensing units; The area of ​​the sensing unit ranges from 1 mm² to 4 mm², and the number of the sensor units is from 40 to 60. They are distributed and attached to the inner side of the invisible mandibular pre-orthodontic appliance in the area that is in close contact with the labial, lingual, and incisal / occlusal surfaces of the teeth, in order to detect the orthodontic force applied to each tooth surface and generate a corresponding spatial distribution cloud map.

8. The invisible mandibular prefrontal brace according to claim 1, characterized in that, The perioral muscle pressure sensor includes: a transparent piezoelectric thin film sensor; The functional areas include: the area in the center of the labial base of the maxillary appliance corresponding to the orbicularis oris muscle, and the area of ​​the bilateral buccal base corresponding to the projection of the buccal muscle body; The perioral muscle pressure sensor is used to quantitatively monitor resting lip pressure, functional swallowing pressure, and changes in muscle strength during speech.

9. The invisible mandibular prefrontal brace according to claim 1, characterized in that, The wireless transmission structure includes: The signal conditioning circuit is used to process the raw acquisition signals from the pre-guide force sensor, the tooth surface force sensor array, and the perioral muscle pressure sensor to form corresponding sensor signals. A microcontroller, connected to the signal conditioning circuit, is used to receive sensor signals output by the signal conditioning circuit; A wireless transmission circuit, which is electrically connected to the microcontroller, is used to output the sensor signal to an external device; A display component, electrically connected to the microcontroller, is used to display at least a portion of the sensor signal; The display component is located inside the labial base of the anterior segment of the maxillary orthodontic module or in the anterior part of the palatal dome.

Images