Assembly filling system for vital-preservation cover pulp material and application method thereof

Abstract

The application provides an assembly filling system and application method for vital pulp preservation and pulp capping material, the assembly filling system comprises a detachable handle, an assembly filling assembly and a compaction sheet; the assembly filling assembly comprises a handle-equipped washer and a tray, the handle-equipped washer comprises a washer body and a handle column connected thereto, a through hole is formed in the center of the tray bottom, the handle column penetrates through the through hole, the washer body is located in the tray, the thickness and coverage range of the pulp capping material are precisely controlled by selecting the tray model and adjusting the clamping groove structure connected between the tray and the handle column, the pulp capping material placed on the washer body in the tray is compacted by the compaction sheet, the material density is ensured, the specification application method of pretreatment, selection, connection, compaction, filling and removal is clear, the clinical operation standard is unified, the standardized treatment operation process is realized, the operation difficulty is reduced, the operation difference of different doctors is reduced, and the treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dental treatment instruments, in particular to an assembly filling system for vital pulp preservation and pulp capping material and an application method, which is suitable for precise filling operation of pulp capping material in vital pulp preservation surgery in the treatment of pulp disease. BACKGROUND

[0002] Pulp tissue is responsible for the supply of nutrients to the tooth, sensory conduction and response to external stimuli, and is essential for maintaining the normal physiological function of the tooth. Compared with teeth that lose vitality after root canal treatment, the long-term retention rate of vital pulp teeth is significantly higher. Therefore, in the case of limited or reversible pulp damage, vital pulp preservation treatment has become the core development direction of endodontics. The core goal of vital pulp preservation treatment is to "preserve the vitality of the pulp and the tooth", and the key operation is the pulp capping step. By placing biocompatible pulp capping material (such as iRootBP, MTA, etc.) at the pulp exposure hole, dentin bridge formation and pulp tissue repair are promoted, thereby avoiding the risk of tooth fragility, easy fracture and long-term tooth loss caused by root canal treatment.

[0003] However, in the existing vital pulp preservation treatment, there are still many technical difficulties in the filling operation of the pulp capping material, which seriously affects the success rate of treatment. Specific examples are as follows:

[0004] ① Lack of special filling instruments: Clinically, ordinary cement fillers, probes, root canal vertical pressure device heads and other non-special instruments are often used to dip or dig pulp capping material, which cannot accurately control the amount of material used, the coverage range and the thickness, resulting in incomplete coverage of the pulp exposure hole and thickness that does not meet the clinical standard (usually 0.5-1mm), making it difficult to form a qualified seal, thereby causing repeated pulp inflammation and treatment failure, ultimately still requiring root canal treatment, increasing the patient's economic burden and treatment time; At the same time, the amount of material used cannot be controlled, which also causes unnecessary waste of expensive pulp capping material, increasing the cost of diagnosis and treatment.

[0005] ② Limited function of existing special instruments: Although some related technologies attempt to provide special filling instruments, such as the biological ceramic pulp capping material special filling instrument disclosed in CN219461450U, it only uses a fixed diameter (1.5mm or 3mm) spherical filler, which can only achieve simple shaping and cannot adjust the thickness of the pulp capping material, and lacks a supporting compaction structure, resulting in insufficient density of the material after filling and poor sealing effect, still making it difficult to meet the clinical demand for standardized and precise filling.

[0006] ③ Poor operation standardization: Due to the lack of unified instrument fitting standards and operation procedures, the operation of different doctors varies greatly, and the coverage, thickness and density of the material cannot be quantitatively evaluated, resulting in poor consistency of treatment effects and a low overall success rate of vital pulp preservation.

[0007] In summary, the prior art lacks a special assembly filling system and application method capable of precisely controlling the thickness and coverage of the pulp capping material, ensuring material density, simplifying the operation process, and realizing standardized treatment, which has become a key bottleneck restricting the promotion and efficacy improvement of vital pulp preservation treatment technology. SUMMARY

[0008] The purpose of the present application is to overcome the shortcomings of the prior art, provide an assembly filling system and application method for vital pulp preservation pulp capping material, and solve the technical problems of the prior art, such as the inability to precisely control the thickness and coverage of the pulp capping material, insufficient material density, non-standard operation, low treatment success rate, and serious material waste.

[0009] To achieve the above technical purpose, the present application provides an assembly filling system for vital pulp preservation pulp capping material, comprising a detachable handle, an assembly filling assembly and a compaction sheet.

[0010] The assembly filling assembly comprises a handle pad and a tray, and a through hole is formed in the center of the tray bottom; the handle pad comprises a pad body and a handle column connected together, the handle column passes through the through hole, the pad body is located in the tray, and a clamping groove structure for adjusting the filling thickness of the pulp capping material is arranged between the tray and the handle column.

[0011] The detachable handle is detachably connected with the handle column, and is used for providing a holding fulcrum and controlling the assembly filling assembly to position and fill.

[0012] The compaction sheet is adapted to the pad body and is used for compacting the pulp capping material placed in the tray.

[0013] Further, one end of the handle column away from the pad body is provided with an internal threaded hole, and one end of the detachable handle is provided with a threaded handle head adapted to the internal threaded hole, so as to realize detachable connection.

[0014] Further, the clamping groove structure is a multi-gear positioning structure, comprising a plurality of elastic protrusions and a control member arranged on the handle column, and a groove arranged on the side wall of the through hole, the elastic protrusions and the groove are adapted, the elastic protrusions are controlled to stretch and retract by the control member to realize clamping and disengaging of the handle column and the tray; the filling thickness of the pulp capping material is the vertical distance from the pad body to the disc mouth plane of the tray.

[0015] Further, the assembly filling assembly is provided in multiple models, and different models of the assembly filling assembly correspond to different sizes of pulp penetration holes, the models include an S type adapted to small pulp penetration holes, an M type adapted to medium pulp penetration holes, and an L type adapted to large pulp penetration holes.

[0016] Furthermore, the maximum diameter of the S-type adapter for medullary canal is ≤1mm, the diameter of the M-type adapter for medullary canal is 1mm-2mm, and the maximum diameter of the L-type adapter for medullary canal is >2mm.

[0017] Furthermore, the tray has a barrel-shaped structure with a circular or elliptical cross-section.

[0018] Furthermore, the handle is a cylindrical body with an arc, the arc ranging from 0.5π to 0.9π.

[0019] Furthermore, the compaction pad includes a compaction handle and a compaction pad, the size of which is consistent with the size of the pad body of the handle-mounted pad, and is used to fit and compact the pulp capping material.

[0020] Furthermore, the thickness of the capillary material, which is adjusted by the slot structure, ranges from 0.5mm to 2mm.

[0021] This application also provides a method for assembling and filling a capping material for preserving viable medulla oblongata, the method employing the assembly and filling system described in any one of claims 1-9, comprising the following steps:

[0022] S1. Pre-treatment steps: Use a green rubber dam to isolate and dehumidify the treatment area. Use dental instruments to thoroughly remove the carious and infected hard tissue of the tooth. Gently clean the infected tissue around the pulp chamber to ensure that the treatment area is clean and dry. Observe the morphology of the pulp chamber through a dental magnifying glass or surgical microscope. Use a graduated dental probe to measure the maximum diameter of the pulp chamber to determine the size of the pulp chamber.

[0023] S2. Component selection and connection steps: Select the corresponding model of the assembly and filling component according to the size of the medullary canal; screw the threaded end of the detachable handle into the internal threaded hole of the handle-mounted washer to achieve a fixed connection between the two; press the control component of the slot structure, adjust the relative position of the handle-mounted washer and the tray, so that the elastic protrusion is embedded in the target groove. At this time, the filling thickness of the medullary capping material is the vertical distance from the washer body to the tray opening plane.

[0024] S3. Material compaction step: Place the capping material evenly on the pad body with the handle, hold the compaction handle of the compaction pad, press the compaction pad against the surface of the capping material, and apply uniform pressure to compact the capping material until it is flat and dense with the platen surface of the tray.

[0025] S4. Precise filling steps: Hold the detachable handle, align the medullary capping material on the assembled filling component with the medullary perforation and completely cover it. After stabilizing the assembled filling component, press the control piece of the slot structure to disengage the elastic protrusion from the groove, release the snap-fit ​​between the handle-mounted gasket and the tray, and apply continuous pressure towards the gasket body to ensure that the medullary capping material is in close contact with the tissue around the medullary perforation.

[0026] S5. Instrument Removal Procedure: After the medullary capping material has initially hardened, remove the detachable handle, the handle-mounted pad, and the tray. The medullary capping material remains at the medullary canal and is kept in a sealed state.

[0027] S6. Subsequent treatment steps: Following the standard pulp preservation treatment procedure, acid etching, adhesive application, and resin filling are performed to restore the anatomical shape and chewing function of the tooth.

[0028] Compared with the prior art, the present invention has the following significant advantages:

[0029] 1. Precise control of filling parameters: Through the dual design of adjusting the slot structure and adapting the model of the assembled filling components, the coverage range and filling thickness of the capping pulp material are precisely controlled, solving the core pain points of incomplete material coverage and non-standard thickness in the existing technology, and providing a foundation for qualified sealing;

[0030] 2. Improve material density: The matching compaction sheet can compact the pulp capping material to a flat and dense state, avoiding sealing failure caused by loose material, effectively isolating external stimuli such as temperature and chemicals, promoting pulp tissue repair, and reducing the risk of infection.

[0031] 3. Standardized operating procedures: The standardized steps of pretreatment, selection, connection, compaction, filling and removal are clearly defined, which unifies the clinical operation standards, reduces the difficulty of operation, reduces the differences in operation among different physicians, and improves the consistency of treatment results;

[0032] 4. Reduce material waste: By precisely matching the component model and thickness, the amount of pulp capping material used can be accurately controlled, avoiding the waste of expensive materials caused by excessive use and reducing treatment costs;

[0033] 5. High ease of operation: The detachable and modular structure facilitates the connection, disassembly and sterilization of instruments, and the curvature design of the handle adapts to the intraoral operating space, improving the flexibility and comfort of the physician's operation.

[0034] 6. Significantly improves treatment success rate: Through the synergistic effect of precise coverage, standard thickness, and tight sealing, it effectively solves the problem of non-standard pulp capping operation in vital pulp preservation treatment, greatly improves the success rate of vital pulp preservation, reduces the risk of patients switching to root canal treatment due to treatment failure, and improves patients' health and quality of life. Attached Figure Description

[0035] To more clearly illustrate the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0036] Figure 1 Fig. 1 is a schematic diagram of the overall structure of an assembled filling system in an embodiment of the present application;

[0037] Figure 2 Fig. 2 is a schematic diagram of the top view structure of a tray in an embodiment of the present application;

[0038] Figure 3 Fig. 3 is a schematic diagram of the cross-sectional structure along A-A in Fig. 2; Figure 2

[0039] Figure 4 Fig. 6 is a flowchart of an application method of an assembled filling system for vital pulp preservation and pulp capping material in another embodiment of the present application.

[0040] Reference signs:

[0041] 1. detachable handle; 10, threaded handle head;

[0042] 2. assembled filling assembly; 20, tray; 21, handle-equipped spacer; 22, clamping groove structure; 200, through hole; 210, spacer body; 211, handle column; 212, arc; 220, groove; 221, elastic protrusion; 222, control member; 2221, control button;

[0043] 3. compaction piece; 30, compaction spacer; 31, compaction handle. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0045] Embodiment one

[0046] The assembled filling system for vital pulp preservation and pulp capping material provided in the present embodiment is characterized in that through detachable assembly design, multi-gear adjustment structure and model adaptation mechanism, the pain points such as low filling precision, insufficient density, non-standard operation of pulp capping material in the prior art are solved, and specifically:

[0047] For example, Figure 1 ​As shown, the embodiment of the present application provides an assembly filling system for vital pulp preservation and pulp capping material, which comprises a detachable handle 1, an assembly filling assembly 2 and a compaction sheet 3; the assembly filling assembly 2 comprises a handle pad 21 and a tray 20, a through hole 200 is formed in the center of the bottom of the tray 20; the handle pad 21 comprises a pad body 210 and a handle column 211 connected together, the handle column 211 passes through the through hole 200, the pad body 210 is located in the tray 20, and a clamping groove structure 22 for adjusting the filling thickness of the pulp capping material is arranged between the through hole of the bottom of the tray 20 and the handle column 211, and the precise control of the filling thickness of the pulp capping material is realized by switching the gear of the clamping groove structure 22; the compaction sheet 3 is matched with the pad body 210 and is used for compacting the pulp capping material placed in the tray to a flat and dense state, ensuring the sealing effect, avoiding the sealing failure caused by loose material, promoting the repair of dental pulp tissue and reducing the risk of infection.

[0048] As a preferred embodiment, as shown in the drawings, Figure 1 The detachable handle 1 provides a stable holding fulcrum for the doctor, one end of which is provided with a threaded handle 10 matched with the inner threaded hole at the end of the handle column 211 of the handle pad 21 away from the pad body 210, so as to realize the stable connection and quick disassembly of the detachable handle 1 and the handle column 211 through threaded connection. The detachable design is convenient for the assembly and operation of the instrument during treatment, and on the other hand, it can be disassembled for thorough disinfection after treatment, meeting the sterile requirements of dental diagnosis and treatment, and reducing the overall loss cost of the instrument.

[0049] The assembly filling assembly 2 is the core component for realizing the precise control of the pulp capping material, which comprises the handle pad 21, the tray 20 and the clamping groove structure 22, and is divided into S type, M type and L type according to the size of the pulp penetration hole, and the specific structure is as follows:

[0050] The handle pad 21 is composed of an integrally formed pad body 210 and a handle column 211, wherein the pad body 210 provides a bearing base for the pulp capping material, and the size thereof is matched with the corresponding size of the pulp penetration hole, the covering range of the S type pad body is 1.2mm-1.5mm, the covering range of the M type pad body is 2mm-2.5mm, and the covering range of the L type pad body is ≥2.5mm, so as to ensure that the covering range of the pulp capping material is slightly larger than the pulp penetration hole, and solve the core pain point of incomplete coverage in the prior art;

[0051] The handle column 211 is designed as a column with an arc 212, and the value range of the arc is 0.5Π-0.9Π, which can be preferably 0.5Π, 0.7Π or 0.8Π according to the actual situation. The arc is matched with the narrow and complex operation space in the oral cavity, so that the doctor can accurately align the pulp capping material on the pad body 210 with the pulp penetration hole without blocking the view, and the operation flexibility and positioning accuracy are improved.

[0052] In combination Figure 2 、 Figure 3 As shown in the drawings, the tray 20 is a barrel structure, the cross section of which can be designed as a circle or an ellipse according to clinical needs (preferably a circle in this embodiment), a through hole 200 is formed in the center of the bottom of the tray 20 for the handle column 211 to pass through, and the gasket body 210 is placed inside the tray 20. The barrel structure of the tray 20 can limit the pulp-capping material, avoiding overflow of the material during compaction and filling, and the disc opening plane of the tray 20 serves as a reference surface for the thickness of the pulp-capping material, providing a reference for accurate thickness control.

[0053] The clamping groove structure 22 is a multi-position positioning structure arranged between the handle column 211 and the through hole 200 of the tray 20, including a plurality of elastic protrusions 221 uniformly spaced along the height direction of the handle column 211, the uniform spacing distance being slightly greater than the thickness of the tray bottom to avoid structural interference; a control member 222, the control member including a control button 2221; and a groove 220 formed in the side wall of the through hole 200, the elastic protrusions 221 and the grooves 220 being one-to-one matched.

[0054] Specific adjustment principle: pressing the control button 2221 can drive the elastic protrusions 221 to retract, so that the handle column 211 and the tray 20 are disengaged, at which time the relative position of the two can be adjusted up and down; after releasing the control button 2221, the elastic protrusions 221 automatically pop out and are embedded in the target groove 220, achieving fixation of the two, at which time the filling thickness of the pulp-capping material is the vertical distance from the upper surface of the gasket body 210 to the disc opening plane of the tray 20, achieving accurate control of the thickness of the pulp-capping material required.

[0055] Through multi-position design, accurate thickness adjustment in the range of 0.5mm-2mm can be achieved, fully meeting the standard of the conventional requirement of pulp-capping material thickness in clinical vital pulp preservation treatment, solving the pain point of thickness quantization in the prior art, and providing stable conditions for dentin bridge formation and pulp repair.

[0056] The assembled filling assembly 2 is provided in multiple models, different models of the assembled filling assembly correspond to different sizes of the pulp-penetrating hole, and the multiple models include an S type adapted to a small pulp-penetrating hole, an M type adapted to a medium pulp-penetrating hole, and an L type adapted to a large pulp-penetrating hole, the three types of assembled filling assemblies corresponding to different sizes of the pulp-penetrating hole:

[0057] The S type is adapted to a pulp-penetrating hole with a maximum diameter of ≤1mm, and is suitable for a slight dental pulp exposure scene;

[0058] The M type is adapted to a pulp-penetrating hole with a diameter of 1mm-2mm, and is suitable for a moderate dental pulp exposure scene;

[0059] The L type is adapted to a pulp-penetrating hole with a maximum diameter of >2mm, and is suitable for a severe dental pulp exposure scene;

[0060] The embodiment of the present application realizes the double control of the thickness adjustment of the covering material through the model selection of the assembled filling assembly 2 combined with the clamping groove structure, so that the amount and coverage of the covering material are accurately matched with the size of the pulp hole, avoiding the sealing failure caused by insufficient material, reducing the waste of expensive covering material (such as iRootBP, MTA) caused by excessive material, and reducing the cost of diagnosis and treatment.

[0061] Further, in combination with Figure 1 As shown, the compaction piece 3 includes an integrally formed compaction handle 31 and a compaction pad 30, wherein the shape and size of the compaction pad 30 are consistent with the pad body 210 of the handle pad 21, ensuring that it can be completely placed on the covering material on the pad body 210; during operation, the doctor holds the compaction handle 31 and applies uniform pressure to the covering material, which can compact the material to a dense state that is level with the tray 20 disc opening plane, solving the sealing failure problem caused by loose material and insufficient density in the prior art, effectively isolating the stimulation of external temperature and chemical substances on the dental pulp, reducing the risk of infection, and creating a stable environment for dental pulp tissue repair.

[0062] Embodiment two

[0063] In combination with Figure 4 As shown, the assembled filling application method for vital pulp preservation covering material of the present embodiment is based on the assembled filling system of the above-mentioned embodiment one, and realizes the precision and standardization of vital pulp preservation treatment through the standardized process of "pretreatment-selection-connection-compaction-filling-removal", and specifically includes the following steps:

[0064] S1, pretreatment step: green rubber dam is used to isolate and keep dry the treatment area, dental instruments are used to completely remove carious infected dental hard tissue, and the infected tissue around the pulp hole is gently cleaned to ensure that the operation area is clean and dry; the shape of the pulp hole is observed through a dental magnifying glass or a surgical microscope, and the maximum diameter of the pulp hole is measured by a dental probe with scales to determine the size of the pulp hole.

[0065] Specifically, the treatment area is isolated and kept dry by using a green rubber dam to avoid contamination of the operation area by saliva and blood, and to ensure that the biocompatibility of the covering material and the dental pulp tissue is not affected; the carious infected dental hard tissue is completely removed by using a scoop, a drill and other instruments, and the infected tissue around the pulp hole is gently cleaned to avoid excessive stimulation of the dental pulp, and finally to ensure that the operation area is clean and dry;

[0066] The shape of the pulp hole is observed through a dental magnifying glass or a surgical microscope, and the maximum diameter of the pulp hole is measured by a dental probe with scales to determine the size of the pulp hole, such as a 1.5mm diameter, which corresponds to the selection of an M-type assembled filling assembly; this step provides a basis for subsequent accurate selection and solves the problem of blind filling and mismatching with the pulp hole in the prior art.

[0067] S2, component selection and connection step: select the corresponding type of assembly filling component according to the size of the pulp hole; screw the threaded handle of the detachable handle into the internal threaded hole of the handle gasket to realize the fixed connection of the two; press the control member of the clamping groove structure to adjust the relative position of the handle gasket and the tray, so that the elastic protrusion is embedded in the target groove, and the filling thickness of the pulp sealing material is the vertical distance from the gasket body to the disc opening plane of the tray;

[0068] Specifically, according to the size of the pulp hole measured in S1, select the corresponding type of assembly filling component 2, such as S type for pulp hole diameter ≤1mm, M type for 1mm-2mm, and L type for more than 2mm; screw the threaded handle 10 of the detachable handle 1 into the internal threaded hole of the handle gasket 21, and tighten to realize the fixed connection of the two, which provides a stable holding fulcrum for subsequent operation; press the control button 2221 of the clamping groove structure 22, so that the elastic protrusion 221 is retracted and separated from the current groove 220; adjust the relative position of the handle gasket 21 and the tray 20 up and down until the target thickness is reached; release the control button 2221, and the elastic protrusion 221 is embedded in the corresponding groove 220 to complete the fixation of the filling thickness of the pulp sealing material;

[0069] Through the type selection of the assembly filling component 2 and the thickness adjustment of the pulp sealing material by the clamping groove structure, the dual precise control of the coverage range and thickness of the pulp sealing material is realized, the operation standard is unified, and the subjective differences of different doctors are reduced.

[0070] S3, material compaction step: evenly place the pulp sealing material on the gasket body of the handle gasket, hold the compaction handle of the compaction piece, and apply uniform pressure to compact the pulp sealing material to a flat and dense state with the disc opening plane of the tray;

[0071] Specifically, evenly apply the pulp sealing material (such as iRootBP paste or MTA paste) on the gasket body 210 of the handle gasket 21, ensure that the material covers the entire area of the gasket body 210, and does not exceed the limiting range of the tray 20; hold the compaction handle 31 of the compaction piece 3, and apply uniform pressure to compact the pulp sealing material to a flat and dense state with the disc opening plane of the tray 20, without pores and loose areas;

[0072] Technical effect: through the adaptive design of the compaction piece 3, the material density is ensured, the sealing failure caused by internal pores of the material is avoided, and the adhesion stability of the pulp sealing material and the pulp hole is improved.

[0073] S4, precise filling step: hold the detachable handle, align the cover pulp material on the assembled filling assembly with the pulp hole and completely cover it, keep the assembled filling assembly stable, then press the control part of the clamping groove structure to make the elastic protrusion out of the groove, release the clamping of the handle gasket and the tray, and apply continuous pressure to the gasket body to ensure that the cover pulp material is tightly attached to the tissue around the pulp hole;

[0074] Specifically, the detachable handle 1 is held, the arc 212 of the handle column 211 is adapted to the oral cavity operation space, the cover pulp material on the assembled filling assembly 2 is precisely aligned with the pulp hole and completely covered, it is ensured that the material coverage range is slightly larger than the edge of the pulp hole, and the assembled filling assembly 2 is kept stable and does not shake; the control button 2221 of the clamping groove structure 22 is pressed again, the elastic protrusion 221 is retracted out of the groove 220, and the clamping of the handle gasket 21 and the tray 20 is released; continuous and uniform pressure is applied to the gasket body 210 direction to ensure that the cover pulp material is tightly attached to the dental tissue around the pulp hole without gap;

[0075] Technical effect: the arc design of the handle column improves the positioning accuracy, the quick unlocking of the clamping groove structure realizes the precise attachment of the cover pulp material, and solves the problems of material displacement and poor attachment in the prior art.

[0076] S5, instrument removal step: after the cover pulp material is preliminarily hardened, the detachable handle, the handle gasket and the tray are removed, and the cover pulp material remains in the pulp hole and keeps a dense and closed state.

[0077] S6, subsequent treatment step: according to the conventional vital pulp preservation treatment process, the operation area is subjected to acid etching treatment and dental adhesive coating, and finally resin material is used to fill the dental defect to restore the anatomical shape and mastication function of the tooth; the standardized subsequent process cooperates with the precise cover pulp operation of the application to realize the core goal of "preserving vital pulp and teeth".

[0078] In summary, the assembled filling system and application method of the application solves the core pain points of the existing vital pulp preservation treatment through the cooperative matching of various technical features, specifically:

[0079] Through the double design of model adaptation of the assembled filling assembly and adjustment of the clamping groove structure, the quantitative control of the coverage range and thickness of the cover pulp material is realized.

[0080] Through the combined design of the compaction sheet and the tray limit, the density of the cover pulp material is ensured, the sealing failure caused by loose pores is avoided, and the risk of infection is reduced;

[0081] Through the operation design of the arc handle column and the detachable handle, the complex oral cavity space is adapted, the operation flexibility and holding stability are improved, and the operation difficulty is reduced;

[0082] Through the standardization of the six-step process, the uniform clinical operation standard is unified, the operation differences of different doctors are reduced, the effect of the vital pulp preservation treatment has consistency, and the treatment success rate is greatly improved.

[0083] The whole technical scheme of the application realizes the precision, densification and standardization of the pulp covering material filling through structural innovation and process standardization, effectively improves the success rate of vital pulp preservation treatment, reduces the risk of root canal treatment due to treatment failure, reduces material waste and diagnosis and treatment cost, and has significant clinical application value.

[0084] The above only describes the preferred embodiments of the application and is not intended to limit the application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. An assembly and filling system for a viable medullary cascade material, characterized in that, Includes a detachable handle, assembly filling components, and compaction sheet; The assembly filling component includes a handle-mounted gasket and a tray, with a through hole in the center of the tray bottom; the handle-mounted gasket includes a connected gasket body and a handle post, the handle post passes through the through hole, the gasket body is located inside the tray, and a slot structure for adjusting the filling thickness of the capping material is provided between the tray and the handle post. The detachable handle is detachably connected to the handle post, and is used to provide a gripping fulcrum and control the assembly and filling components for positioning and filling operations. The compaction sheet is adapted to the gasket body and is used to compact the capping material placed in the tray; The slot structure is a multi-position positioning structure, including multiple elastic protrusions and control components on the handle post, and a groove on the side wall of the through hole. The elastic protrusions are adapted to the groove, and the elastic protrusions are extended and retracted by the control components to achieve the engagement and disengagement of the handle post and the tray. The filling thickness of the capping material is the vertical distance from the gasket body to the tray's opening plane. The assembly and filling components are available in various models, each corresponding to a different range of medullary canal sizes. The models include the S-type for small medullary canals, the M-type for medium medullary canals, and the L-type for large medullary canals.

2. The assembly and filling system according to claim 1, characterized in that, The end of the handle away from the gasket body is provided with an internal threaded hole, and the end of the detachable handle is provided with a threaded shank that matches the internal threaded hole, so as to realize a detachable connection.

3. The assembly and filling system according to claim 1, characterized in that, The maximum diameter of the S-type adapter for medullary canal is ≤1mm, the diameter of the M-type adapter for medullary canal is 1mm-2mm, and the maximum diameter of the L-type adapter for medullary canal is >2mm.

4. The assembly and filling system according to claim 1, characterized in that, The tray has a barrel-shaped structure with a circular or elliptical cross-section.

5. The assembly and filling system according to claim 1, characterized in that, The handle is a cylindrical body with an arc, the arc ranging from 0.5π to 0.9π.

6. The assembly and filling system according to claim 1, characterized in that, The compaction pad includes a compaction handle and a compaction pad. The size of the compaction pad is the same as the size of the pad body of the handle-mounted pad, and it is used to fit and compact the pulp capping material.

7. The assembly and filling system according to claim 1, characterized in that, The thickness of the capillary material, adjustable through the slot structure, ranges from 0.5mm to 2mm.

8. A method for assembling and filling a capping material for preserving living bone marrow, characterized in that, The assembly and filling system according to any one of claims 1-7 includes the following steps: S1. Pre-treatment steps: Use a green rubber dam to isolate and dehumidify the treatment area. Use dental instruments to thoroughly remove the carious and infected hard tissue of the tooth. Gently clean the infected tissue around the pulp chamber to ensure that the treatment area is clean and dry. Observe the morphology of the pulp chamber through a dental magnifying glass or surgical microscope. Use a graduated dental probe to measure the maximum diameter of the pulp chamber to determine the size of the pulp chamber. S2. Component selection and connection steps: Select the corresponding model of the assembly and filling component according to the size of the medullary canal; screw the threaded end of the detachable handle into the internal threaded hole of the handle-mounted washer to achieve a fixed connection between the two; press the control component of the slot structure, adjust the relative position of the handle-mounted washer and the tray, so that the elastic protrusion is embedded in the target groove. At this time, the filling thickness of the medullary capping material is the vertical distance from the washer body to the tray opening plane. S3. Material compaction step: Place the capping material evenly on the pad body with the handle, hold the compaction handle of the compaction pad, press the compaction pad against the surface of the capping material, and apply uniform pressure to compact the capping material until it is flat and dense with the platen surface of the tray. S4. Precise filling steps: Hold the detachable handle, align the medullary capping material on the assembled filling component with the medullary perforation and completely cover it. After stabilizing the assembled filling component, press the control piece of the slot structure to disengage the elastic protrusion from the groove, release the snap-fit ​​between the handle-mounted gasket and the tray, and apply continuous pressure towards the gasket body to ensure that the medullary capping material is in close contact with the tissue around the medullary perforation. S5. Instrument Removal Procedure: After the medullary capping material has initially hardened, remove the detachable handle, the handle-mounted pad, and the tray. The medullary capping material remains at the medullary canal and is kept in a sealed state. S6. Subsequent treatment steps: Following the standard pulp preservation treatment procedure, acid etching, adhesive application, and resin filling are performed to restore the anatomical shape and chewing function of the tooth.

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