Special drill point for dental implantation in turbinate ridge area and use method of special drill point

Abstract

The invention relates to the technical field of oral cavity turbinate ridge systems, in particular to a special drill point for dental implantation in a turbinate ridge area and a using method of the special drill point. The drill point extends along the longitudinal axis, one end of the drill point is a working end, the other end of the drill point is a handle end, and a chip groove extending along the longitudinal axis of the drill point is formed in the peripheral surface of the drill point; a cross cutting edge arranged in the longitudinal axis direction of the drill point is arranged on the peripheral surface wall of the drill point, a plurality of cross cutting points are arranged on the cross cutting edge, the cutting angle of the cross cutting edge is 30-40 degrees, the appearance taper of the working end is 3-5 degrees, and the length of the working end is 19-22 mm. And a concave groove is formed in the side wall of the nasal cavity.

Description

Technical Field

[0001] The present invention relates to the technical field of oral turbinate ridge system, and more particularly to a drill needle for dental implant surgery and a method for using the same. Background Art

[0002] According to anatomy and literature verification, the nasal ridge area is a high-quality anatomical resource that can be used for dental implants. The bone structure and morphology of the nasal ridge area are relatively unique and can be used to implant special implants, such as Figure 1 As shown in Figure 1, the nasal ridge is located deep in the maxilla and adjacent to the nasal cavity, and has a complex physiological structure. Figure 2 , Figure 3 The patient's CBCT image shows the turbinate ridge in yellow. The image also shows the sizes obtained from various distance measurements. The volume of the turbinate ridge (approximately 3-5.5mm) is cortical bone, which can withstand greater occlusal forces and can meet the functional requirements of immediate repair in implant surgery to achieve clinical application.

[0003] Currently, there is no clinical implant surgery for the turbinate ridge, so a new surgical procedure needs to be invented, that is, to implant a dedicated implant on the turbinate ridge.

[0004] Since the turbinate ridge is deep in the maxilla, existing drill needles do not have sufficient length and angle to reach the depth of the turbinate ridge, which makes it difficult to accurately locate and manipulate the turbinate ridge during surgery.

[0005] Furthermore, the existing drill needles are not structured to operate on the nasal ridge, and therefore, a new drill needle is needed with appropriate length, angle and cutting capacity to cope with the unique requirements of the nasal ridge. Summary of the invention

[0006] In view of the deficiencies in the prior art, the object of the present invention is to provide a drill needle for turbinate ridge dental implant surgery, which can realize the positioning and manipulation of the turbinate ridge and establish a concave groove on the side wall of the nasal cavity, and its application and use method.

[0007] To achieve the above object, the present invention provides the following technical solutions: A drill needle for dental implantation in the nasal turbinate ridge region, the drill needle extending along a longitudinal axis, One end of the drill needle is a working end, and the other end is a handle end. A chip removal groove and a cross cutting edge are provided on the outer peripheral surface of the working end. The cutting angle of the cross cutting edge is 30°-40°. The cross cutting blade has a plurality of cross cutting points. The length of the working end is 19-22 mm.

[0008] The working end is in a cone shape, and its outer taper is 3°-5°.

[0009] The present invention is further configured such that: the top angle of the working end is 60-75°.

[0010] The present invention is further configured as follows: the drill bit is integrally formed of zirconium oxide material.

[0011] The present invention is further configured such that: the outer wall of the working end of the drill needle has scale lines to identify the depth of the surgical operation.

[0012] The present invention is further configured as follows: the chip removal groove is disposed between two adjacent cross cutting edges, and the chip removal groove is arranged in a spiral shape along the length direction of the drill bit.

[0013] The present invention is further configured such that the bottom of the chip removal groove is in a "V" shape.

[0014] The present invention is further configured as follows: the outer diameter of the top angle of the working end is 1.2-1.6 mm, the outer diameter of the cross cutting blade is 2-2.6 mm, and the tail end diameter of the working end is set to ≤3.0 mm.

[0015] The drill needle is used to penetrate the alveolar bone and then pass through the nasal cavity to locate and drill the turbinate ridge, and to establish a concave groove on the side wall of the nasal cavity.

[0016] The method for using the drill needle application includes the following steps: Step 1: After the alveolar bone channel is established, install the drill needle on the implant handpiece. Step 2: Insert the drill needle through the alveolar bone channel and then extend it into the nasal cavity until the top angle of its working end contacts the nasal ridge, thus completing the first hole positioning; Step 3: Place the drill needle against the side wall of the nasal cavity, and pull it up and down along the side wall of the nasal cavity. Repeatedly cut the side wall of the nasal cavity with the cross-cutting blades to create a concave groove in the side wall of the nasal cavity.

[0017] Step 4: The implant mobile phone drives the drill needle to continue invading the turbinate ridge until the positioning hole is prepared.

[0018] The present invention is further configured as follows: in step three, the depth of the positioning hole drilled by the drill needle in the nasal concha ridge for the first time is 1-3 mm.

[0019] Compared with the shortcomings of the prior art, the beneficial effects of the present invention are: The drill is designed for the anatomical features of the turbinate ridge, ensuring smooth access to hard-to-reach locations and ensuring the adaptability and feasibility of the subsequent turbinate ridge during implant surgery.

[0020] The structure of the drill needle itself can not only locate and prepare the positioning hole for the turbinate ridge, but also make concave grooves on the side wall of the nasal cavity through the cross cutting edges on its outer peripheral surface, thereby achieving stability of the implant after implantation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a model diagram of the location of the nasal turbinate ridge; Figure 2 CBCT images measured for patient 1; Figure 3 CBCT images measured for patient 2.

[0022] Figure 4 It is a structural schematic diagram of the drill needle of the present invention; Figure 5 This is a flow chart of the use of the drill needle of the present invention. DETAILED DESCRIPTION

[0023] Reference Figures 1 to 5 The embodiments of the present invention are further described.

[0024] like Figure 2-Figure 3 Shown are the nasal turbinate ridges (marked in yellow) in two patients.

[0025] The drill needle extends along the longitudinal axis and has a length of 44-45 mm.

[0026] One end of the drill needle is the working end, and the other end is the handle end. The working end is mainly responsible for the actual cutting operation, while the handle end is designed to be firmly connected to the implant mobile phone.

[0027] A chip groove and a cross cutting edge are provided on the outer peripheral surface of the working end, wherein the cutting angle of the cross cutting edge is 30°-40° and the cross cutting edge has multiple cross cutting points. This design can ensure effective cutting even on the hard piriform marginal cortical bone while improving the cutting efficiency.

[0028] The length of the working end is 19-22mm, which ensures that the drill can effectively operate between the nasal cavity and the alveolar bone, while maintaining sufficient cutting depth to meet the positioning requirements of the turbinate ridge area. This length range is a value obtained based on physiological and anatomical characteristics.

[0029] The top angle of the working end is 60-75°. The top angle is designed to enhance the guidance of the drill and ensure that the drill accurately enters the target area during cutting. This design angle can guide the drill to automatically advance in the set direction to avoid deviation and improve the accuracy and stability of cutting. Especially during the initial positioning, it can effectively reduce the risk of the drill slipping.

[0030] The outer diameter of the top angle of the working end is 1.2-1.6 mm, the outer diameter of the cross cutting edge is 2-2.6 mm, and the tail end diameter of the working end is set to ≤3.0 mm.

[0031] The anatomical location of the nasal turbinate ridge is narrow, and the outer diameter and working end design of the drill must take this into account to prevent interference with other sensitive areas during the procedure.

[0032] The cross-cutting edges of the drill needle can cut precisely, reducing the vibration and pressure generated during the drilling process, thereby reducing surgical trauma and promoting postoperative recovery.

[0033] The working end is conical with a taper of 3°-5°. The taper design can provide better guiding performance, ensuring that the drill bit can maintain a stable path during cutting, thereby reducing cutting resistance and increasing cutting speed.

[0034] The length of the drill needle should meet the depth requirement of the nasal ridge, and the diameter of the drill needle should meet the size of the nasal ridge. Since the root of the drill needle is inserted into the mobile phone for 12mm, the implant length is 20-28mm, and there is a 5mm reserved bone barrier and floating gap, the length of the drill needle is set to 44-45mm. In addition, the overall diameter of the drill needle should be smaller than the inner diameter of the implant thread.

[0035] The drill bit is made of zirconium oxide, which has excellent biocompatibility and wear resistance. Corrosion resistance can effectively reduce the risk of corrosion and infection in the oral environment and avoid adverse reactions caused by metal allergies.

[0036] Zirconia can maintain its physical properties during the sterilization process.

[0037] Zirconia is harder than traditional metal materials, which enhances the cutting force and durability of the drill.

[0038] Because the zirconia drill needle is white in color and has eye-catching scale lines on the working end, which are usually black and clearly distinguished from the white needle body, the doctor can more clearly observe the position and scale of the drill needle during the operation, which is very helpful for precise positioning and operation.

[0039] Traditional metal materials can easily cause bone necrosis due to frictional heat during surgery. Zirconia generates less heat during cutting, and even in the absence of sufficient water cooling, it can reduce the risk of bone necrosis and improve the safety of surgery.

[0040] The cutting edge design of the zirconia drill bit supports side-lifting and side-cutting functions, allowing for more flexible cutting operations to meet different surgical needs.

[0041] A chip groove and a cross cutting edge extend along the longitudinal axis of the outer peripheral surface of the working end. The cross cutting edge has a plurality of cross cutting points. The design of the plurality of cross cutting points enhances the cutting efficiency, enables the drill bit to produce more cutting action during the cutting process, and improves the overall cutting performance.

[0042] By setting the cutting angle of the cross cutting blade to 30°-40°, the drill can more effectively disperse the force when cutting bone, thereby reducing damage to the bone.

[0043] The chip groove is placed between two adjacent cross cutting edges. The chip groove is set in a spiral shape along the length of the drill needle, aiming to effectively guide the bone chips generated during the cutting process to be discharged and keep the surgical field clear. The "V" or "U" shaped design of the bottom of the chip groove can reduce the accumulation of bone chips and improve the efficiency of chip removal.

[0044] By combining the chip groove with the cutting angle and shape of the cross cutting edge, it is ensured that bone chips can be quickly guided to the outside during the cutting process, thereby improving the overall cutting effect and surgical efficiency.

[0045] The drill needle is used to penetrate the alveolar bone and then pass through the nasal cavity to locate and drill the turbinate ridge, and to establish a concave groove on the side wall of the nasal cavity.

[0046] The method for using the drill needle application includes the following steps: Step 1: Clamp the drill bit After the alveolar bone channel is established, use implant surgical instruments (such as implant handpieces) to clamp the handle end of the drill needle and fix it on the handpiece to prepare for subsequent operations.

[0047] Step 2: Insert the drill needle into the nasal cavity Slowly insert the drill needle from the hole of the prepared channel until the working end of the drill needle passes through the hole and extends into the nasal cavity. Stop advancing when the top corner of the drill needle contacts the turbinate ridge.

[0048] Step 3: Initial drilling of positioning holes The implant mobile phone drives the drill to rotate and make a preliminary positioning hole at the nasal ridge. The depth of the first hole is controlled at 1-3mm, in order to provide an accurate positioning reference for subsequent operations.

[0049] Step 4: Create a concave groove in a semicircular shape.

[0050] The drill needle is gently placed against the nasal side wall, and the implant handpiece is used to control the drill needle to move up and down along the nasal side wall. The cross cutting blades on the drill needle are used to repeatedly cut the nasal side wall (the piriform marginal cortical bone) accurately, gradually creating a concave groove on the piriform marginal cortical bone.

[0051] Purpose: The concave groove can provide a precise fitting position for the installation of the implant, ensuring that the implant is firmly embedded. By opening the concave groove in advance, the implant can reduce the space inside the nasal cavity, avoid the implant occupying the nasal cavity when directly installed, maintain the normal function of the nasal cavity, and reduce the risk of postoperative complications.

[0052] Step 5: Continue to prepare the positioning holes After the concave groove is cut, the implant handpiece is used to continue to drive the drill, using the concave groove as a track to guide the drill to continue to extend into the nasal ridge for further operation to complete the final positioning hole preparation. This operation ensures that the implant can be accurately embedded in the predetermined position during subsequent installation.

[0053] Through these steps, the accuracy of implant surgery can be effectively improved, the impact on nasal space can be reduced, and the patient's comfort and surgical success rate can be improved.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A drill needle for dental implantation in the nasal ridge area, characterized in that: The drill needle extends along a longitudinal axis, One end of the drill needle is a working end, and the other end is a handle end. A chip removal groove and a cross cutting edge are provided on the outer peripheral surface of the working end. The cutting angle of the cross cutting edge is 30°-40°. The cross cutting blade has a plurality of cross cutting points. The length of the working end is 19-22 mm, and the length of the drill needle is 44-45 mm. The working end is in a cone shape, and its outer taper is 3°-5°.

2. The drill needle for dental implantation in the nasal turbinate ridge region according to claim 1, characterized in that: The top angle of the working end is 60-75°.

3. The drill needle for dental implantation in the nasal turbinate ridge region according to claim 2, characterized in that: The drill needle is made of zirconium oxide material and is integrally formed.

4. The drill needle for dental implantation in the nasal turbinate ridge region according to claim 3, characterized in that: The outer wall of the working end of the drill needle is provided with scale lines to identify the depth of surgical operation.

5. The drill needle for dental implantation in the nasal turbinate ridge region according to claim 2, characterized in that: The chip removal groove is arranged between two adjacent cross cutting edges, and the chip removal groove is arranged in a spiral shape along the length direction of the drill needle.

6. The drill needle for dental implantation in the nasal turbinate ridge region according to claim 4, characterized in that: The bottom of the chip removal groove is in a "V" shape.

7. The drill needle for dental implantation in the nasal turbinate ridge region according to claim 1, characterized in that: The outer diameter of the top corner of the working end is 1.2-1.6 mm, the outer diameter of the cross cutting edge is 2-2.6 mm, and the tail end diameter of the working end is set to ≤3.0 mm.

8. The use of a drill needle for dental implantation in the nasal turbinate ridge region according to claims 1 to 6, characterized in that: The drill needle is used to establish a channel in the alveolar bone in the early stage, and then penetrate the alveolar bone, pass through the nasal cavity to locate and drill the nasal ridge, and establish a concave groove on the side wall of the nasal cavity.

9. The method for using the drill needle according to claim 8, characterized in that: The steps include: Step 1: After establishing a channel in the alveolar bone in the early stage, install the drill needle on the implant mobile phone; Step 2: Insert the drill needle through the alveolar bone channel and then extend it into the nasal cavity until the top angle of its working end contacts the nasal ridge, thus completing the first hole positioning; Step 3: Place the drill needle against the side wall of the nasal cavity, and pull it up and down along the side wall of the nasal cavity, repeatedly cutting the side wall of the nasal cavity with the cross cutting blades to create a concave groove in the side wall of the nasal cavity; Step 4: The implant mobile phone drives the drill needle to continue invading the turbinate ridge along the concave groove established in the nasal cavity until the preparation of the positioning hole is completed.

10. The method for using the drill needle according to claim 8, characterized in that: In step 3, the depth of the first positioning hole made by the drill needle on the turbinate ridge is 1-3 mm.

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