TORSIONAL VIBRATION RESONANCE FREQUENCY MEASUREMENT METHOD FOR ESTIMATING STABILITY OF DENTAL IMPLANT AND NOVEL AMPLITUDE TRANSFORMER

20180064343 ยท 2018-03-08

    Inventors

    Cpc classification

    International classification

    Abstract

    The present invention relates to a torsional vibration resonance frequency measuring method and a novel amplitude transformer for assessing the stability of dental implants. In one example, a torsional vibration resonance frequency measuring method includes installing an amplitude transformer on a dental implant, energizing a torsional vibration mode, gathering resonance signals, and analyzing a resonance frequency. In another example, an amplitude transformer for measuring torsional vibration resonance frequency in a dental implant, includes an anti-rotary horizontal double-winged component and a central bolt. The central bolt is configured to closely connect with the inner threads of the dental implant, such that the amplitude transformer can integrate with the dental implant sufficient to vibrate as an integral structure under energizing.

    Claims

    1-8. (canceled)

    9-15. (canceled)

    16. An amplitude transformer for measuring torsional vibration resonance frequency in a dental implant, comprising: an anti-rotary horizontal double-winged component; and a central bolt, wherein the anti-rotary horizontal double-winged component is an integrated horizontal, symmetrical, and upright structure, the anti-rotary horizontal double-winged component comprises bilateral horizontal wings, a middle pillar, and an anti-rotary part; the bilateral horizontal wings horizontally extend outwardly and symmetrically from two opposite sides of a top portion of the middle pillar; the middle pillar is provided with an axial through hole along perpendicular to the extension of the bilateral horizontal wings; the anti-rotary part is located at a bottom portion of the middle pillar and configured to match an inner structure of a top of a neck of the dental implant; the central bolt is configured to extend through the through hole of the middle pillar; and the central bolt is configured to closely connect with the inner threads of the dental implant, such that the amplitude transformer can integrate with the dental implant sufficient to vibrate as an integral structure under energizing.

    17. The amplitude transformer of claim 16, wherein: the anti-rotary part comprises a conical or concave surface; and the conical or concave surface is shaped as a hexagon, octagon, or trefoil, and configured to match the inner structure of the top of the neck of the dental implant.

    18. The amplitude transformer of claim 16, wherein: a total length of the bilateral horizontal wings is between 10 mm to 30 mm; a thickness of the bilateral horizontal wings is between 0.5 mm to 3 mm; and a height of the bilateral horizontal wings is between 3 mm to 10 mm.

    19. The amplitude transformer of claim 17, wherein: a total length of the bilateral horizontal wings is between 10 mm to 30 mm; a thickness of the bilateral horizontal wings is between 0.5 mm to 3 mm; and a height of the bilateral horizontal wings is between 3 mm to 10 mm.

    20. The amplitude transformer of claim 16, wherein: a total length of the bilateral horizontal wings is between 15 mm to 20 mm; a thickness of the bilateral horizontal wings is between 1.3 mm to 1.6 mm; and a height of the bilateral horizontal wings is between 3 mm to 6 mm.

    21. The amplitude transformer of claim 17, wherein: a total length of the bilateral horizontal wings is between 15 mm to 20 mm; a thickness of the bilateral horizontal wings is between 1.3 mm to 1.6 mm; and a height of the bilateral horizontal wings is between 3 mm to 6 mm.

    22. The amplitude transformer of claim 16, further comprising at least one of aluminum alloy, pure titanium, titanium alloy and medical stainless steel.

    23. The amplitude transformer of claim 16, further comprising at least aluminum alloy.

    Description

    BRIEF DESCRIPTION OF THE DRAWINGS

    [0032] FIG. 1A is a schematic diagram of the main view of the novel amplitude transformer of the present invention;

    [0033] FIG. 1B is a schematic diagram of the top view of the novel amplitude transformer of the present invention;

    [0034] FIG. 1C is a three-dimensional diagram of the appearance of the novel amplitude transformer of the present invention;

    [0035] FIG. 2 is a exploded three-dimensional diagram of the novel amplitude transformer of the present invention;

    [0036] FIG. 3 is an assembly diagram of the novel amplitude transformer and the dental implant of the present invention;

    [0037] FIG. 4 is a diagram of the torsional vibration of the novel amplitude transformer and the dental implant of the present invention;

    [0038] wherein:

    TABLE-US-00001 1: an anti-rotary horizontal 11: bilateral horizontal bilateral wing component wing 12: central standing pillar 13: an anti-rotary part 2: central bolt 3: dental implant

    DETAILED DESCRIPTION OF SPECIFIC EMBODIMENTS

    [0039] The drawings accompanying this specification as listed below, as well as the preferred embodiments, are to further illustrate the technical methods and functions for achieving the predetermined objects in the present invention. The present invention relates to a torsional vibration resonance frequency measuring method for assessing the stability of dental implants and a novel amplitude transformer, on the basis of the multistage resonance frequency attributes which is the inherent attributes of objects, with a designed structure of the novel amplitude transformer, to realize the energizing of the dental implant-amplitude transformer system in a tangential direction to vibrate the system itself to make torsional vibration as a main vibration mode of the system, measuring the torsional resonance frequency of the dental implant by gathering resonance signals and analyzing resonance frequencies. When directly knocking or applying electromagnetic signal to act on the distal end of the horizontal wings of the transformer, it can realize the tangential energizing of the dental implant-amplitude transformer, in which unilateral or bilateral synchronic energizing can achieve the same torsional vibration energizing effect. The specific application methods and steps are as follows.

    Embodiment 1

    [0040] In FIG. 4, it shows the preferred embodiment example of the present invention which is the torsional vibration resonance frequency measuring method for assessing the stability of dental implants and a novel amplitude transformer, mainly comprising the following steps:

    [0041] Step 1: Installing a Novel Amplitude Transformer:

    [0042] installing a novel amplitude transformer having a double-winged, horizontal, symmetrical and vertical structure for measuring resonance frequency onto a dental implant 3, by applying a central bolt 2 of the novel amplitude transformer to tightly fasten the novel amplitude transformer onto the surface of the dental implant 3, with a torque force of 3 to 10 N.Math.cm to fasten the central bolt 2 of the novel amplitude transformer, so as to tighly fasten the two, thus forming a dental implant-amplitude transformer system, wherein the most preferred torque force of the central bolt for fastening the novel amplitude transformer is 4 to 6 N.Math.cm. The torque force used in the present embodiment is 5 N.Math.cm;

    [0043] Step 2: Energizing a Torsional Vibration Mode:

    [0044] in the dental implant-amplitude transformer system, energizing unilateral side or bilateral sides of the bilateral horizontal wings 11 of the novel amplitude transformer by a contact or non-contact method, and energizing the dental implant 3 in a tangential direction to make torsional vibration as the main vibration mode of the dental implant-amplitude transformer system;

    [0045] wherein in the present invention, the contact method is knocking, and the action point of said energizing applied to the unilateral side or bilateral sides of the bilateral horizontal wings 11 of the novel amplitude transformer is located at a distal end of the bilateral horizontal wings 11, perpendicular to the bilateral horizontal wings 11 of the novel amplitude transformer and tangent to the axial direction of the dental implant 3 which is to be measured;

    [0046] Step 3: Gathering Resonance Signals:

    [0047] recording vibration frequencies and amplitudes of the novel amplitude transformer by applying an electromagnetic signal receiver; and

    [0048] Step 4: Analyzing Resonance Frequencies:

    [0049] gathering and processing data, plotting an amplitude-frequency curve diagram, and calculating the torsional resonance frequency according to the torsional vibration mode which is the main vibration peak, wherein the torsional vibration resonance frequency value is positively correlated to the stability of the dental implant 3 and the degree of bone healing of the dental implant 3.

    Embodiment 2

    [0050] The torque force of the central bolt 2 for fastening the novel amplitude transformer is 5 N.Math.cm. In the novel amplitude transformer system, the non-contact energizing method is applied to electromagneticly energize the unilateral side or bilateral sides of the bilateral horizontal wings 11, wherein when the electromagnetic signal is the energizing source, the frequency ranges from 0-20000 hertz. In the present embodiment, micro piezoelectric ceramic is used as the energizing source to synchronically apply to the bilateral horizontal wings 11 in the same rotation direction. Other steps are the same with those mentioned in embodiment 1.

    Embodiment 3

    [0051] As shown in FIG. 1, FIG. 2, FIG. 3, and FIG. 4, the novel amplitude transformer of the preferred embodiment in the present invention mainly includes an anti-rotary horizontal bilateral wing component 1 and a central bolt 2, wherein the anti-rotary horizontal double-winged component 1 is an integrated horizontal, symmetrical and upright structure with two wings composed by bilateral horizontal wing 11; a central standing pillar 12; and an anti-rotary part 13, wherein the bilateral horizontal wing 11 has two horizontal wings, which horizontally stretching outward individually from two sides of the top of the central standing pillar 12 along the direction parallel to the end surface of the neck of dental implant 3, symmetrical with the central axis of the central standing to pillar 12 and perpendicular to the upper end surface of implant neck as a vertical structure; wherein the central standing pillar 12 is provided with a through hole inside it, and the anti-rotary part 13 is at the bottom which matches the inner structure on top of the neck of the to-be-measured dental implant so that the they can be closely occluded with each other with complete meshing limitation; and the said central bolt 2 goes through the thorough hole of the central standing pillar 12 and closely connects with the internal threads of the dental implant 3, so as to fasten the novel amplitude transformer closely onto the dental implant 3, forming a dental implant-amplitude transformer system integrating the novel amplitude transformer with the dental implant 3, and thus the dental implant-amplitude transformer system integrates the novel amplitude transformer with the dental implant 3 can vibrate as an integral structure under energizing.

    [0052] The said anti-rotary part 13 is designed with a conical surface or a concave surface, wherein the conical surface or the concave surface is an anti-rotary structure shaped as a hexagon, octagon or trefoil, the shape of which matches the inner structure on top of the neck of the to-be-measured dental implant 3 so that they can realize complete meshing limitation.

    [0053] The anti-rotary part 13 of the present embodiment is in the shape of an anti-rotary conical surface, which matches the inner structure on top of the neck of the to-be-measured dental implant 3 so that the they can realize complete meshing limitation. In the present embodiment, the anti-rotary conical surface is with a hexagon, octagon or trefoil shaped anti-rotary structure. The said central bolt 2 goes through the thorough hole of the anti-rotary part 13 and connects with the internal threads of the dental implant 3, so as to fasten the novel amplitude transformer closely onto the dental implant 3, thus forming a dental implant-amplitude transformer system integrating the novel amplitude transformer with the dental implant 3, and thus the dental implant-amplitude transformer system which integrates the novel amplitude transformer with the dental implant 3 can vibrate as an integral structure under energizing.

    [0054] The total length of the bilateral horizontal wing 11 from the distal end of the horizontal wing on one side to the distal end of the horizontal wing on the other side in the horizontal direction is from 10 mm to 30 mm, the thickness of the bilateral horizontal wings 11 is from 0.5 mm to 3 mm, and the height of the bilateral horizontal wing is from 3 mm to 10 mm, wherein the most preferred total length of the bilateral horizontal wings 11 is from 15 mm to 20 mm, the most preferred thickness of the bilateral horizontal wings 11 is from 1.3 mm to 1.6 mm, and the most preferred height of the bilateral horizontal wings 11 is from 3 mm to 6 mm.

    [0055] The materials used by the novel amplitude transformer include aluminum alloy, pure titanium, titanium alloy and medical stainless steel, among which aluminum alloy is the most preferred material. In the present embodiment, the material used is aluminum alloy.

    [0056] The said anti-rotary part 13 is designed with an anti-rotary concave surface, wherein the conical surface or the concave surface is an anti-rotary structure shaped as a hexagon, octagon, or trefoil shaped anti-rotary structure, the shape of which matches the inner structure on top of the neck of the to-be-measured dental implant 3 so that the they can realize complete meshing limitation.

    [0057] While the present invention has been particularly described, in conjunction with a specific preferred embodiment, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. It is therefore contemplated that the appended claims will embrace any such alternatives, modifications and variations as falling within the true scope and spirit of the present invention.