CN209059492U - A kind of plantation nest preparation brill - Google Patents
A kind of plantation nest preparation brill Download PDFInfo
- Publication number
- CN209059492U CN209059492U CN201821106566.2U CN201821106566U CN209059492U CN 209059492 U CN209059492 U CN 209059492U CN 201821106566 U CN201821106566 U CN 201821106566U CN 209059492 U CN209059492 U CN 209059492U
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- CN
- China
- Prior art keywords
- drill body
- bored
- plantation nest
- nest preparation
- plantation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of plantation nest preparation brill, can be used for boring column planting body.The plantation nest preparation, which is bored, includes interconnecting piece, the drill body being connect with interconnecting piece, with the bit head in drill body end, the drill body includes the multiple strip grooves being extended near the interconnecting piece to the bit head, the cross ridge to be formed of the adjacent strip groove constitutes cutting edge, and the drill body cross-sectional shape is multi-corner star-shape.The cross-sectional shape bored by ingehious design, can it is easy, safely and accurately punched on alveolus and obtain excellent plantation nest preparation effect.
Description
Technical field
The utility model relates to dental appliance field, in particular to a kind of plantation nest preparation is bored, and can be used for boring column plantation
Body.
Background technique
It is become increasingly prevalent as the improvement of people's living standards, planting tooth.Planting the most important step of tooth is on alveolus
Absence of tooth position or lose dental functions position carry out dental implant implantation.By tooth kind by way of surgical operation
Implant is implanted into the upper mandibular at human body agomphosis position.After wound healing, the device of artificial tooth is repaired in installation at an upper portion thereof.
The core of tooth-implanting is to plant body portion.Plantation body portion is equivalent to the root of the tooth of dermal tooth, and the fixation of entire tooth is played
Vital effect.The implantation quality of dental implant is directly related to the quality for planting tooth, needs that dental implant is avoided to injure
Periphery tooth tissue, and its shape, function will be close to surrounding root of the tooth parts, and can use for a long time.
The dental drill tool generally used when tooth-implanting operation at present is pioneer's brill and fluted drill.Such as Fig. 1 (a), (b) it show
The longitudinal section and drill tip view that pioneer bores.Its drill body as shown is helical form, and irregular shape is presented in drill tip.
Fluted drill shape shape compared with pioneer bores is similar, but diameter is bigger.In use, aperture first is drilled out with pioneer, then used
Fluted drill expands aperture.For.
Above-mentioned existing pioneer bores and the bone-cutting ability of fluted drill is strong, can be realized bone-cutting fluting faster, because
This is in the field of business to be widely used.But the inventors discovered that, the extrusion capability difference of this kind of drill bit is an indetectable problem,
Influence to operation operating effect is ignored all the time.Although someone notices that being implanted into dental implant on alveolus will consider
The alveolus bone mass of difference implantation individual.Plant site bone mass is bad and Bone mineral change may significantly affect implant at
Power.But do not see so far dentists existing pioneer is bored and fluted drill effect in this regard and improve into
Row research report.
The present inventors have additionally discovered that for different sclerotin as shown in Figure 2 (A indicates cancellous bone, and wherein I osteoid is preferable,
Cancellous bone is smaller, IV osteoid is poor, and cancellous bone is more), improve planting body surface treatment mode may to implant at
Power generates favorable influence.When implant operation, increase the contact area meeting of implant surface and bone by used tool
Influence the primary stability and Integrated implant speed and quality of planting body.The inventors discovered that especially for shown in Fig. 2
IV class bone, easily losing primary stability using implant after traditional pioneer's brill and fluted drill whole process preparation plantation nest, (initial stage stablizes
Property, that is, planting body implantation bone tissue in when the stability obtained embraced by mechanical card, unit is Ncm (newton/centimetre)), it is right
In the insufficient patient of horizontal bone weight, the use of this brill for bone dehiscence when plant nest preparation and later have in the past not by
The great influence noticed.
Utility model content
In view of problems of the prior art and the present inventor above-mentioned discovery and form the utility model.This is practical
Novel purpose is to be capable of providing a kind of novel plantation nest preparation to bore, it is raw can be realized operate it is easier, higher kind of quality
Nest preparation effect is planted, above-mentioned the problems of the prior art are effectively avoided or mitigate.
For this purpose, the utility model proposes a kind of plantation nest preparation brill, including interconnecting piece, the drill body being connect with interconnecting piece,
With the bit head in drill body end, the drill body includes multiple be extended near the interconnecting piece to the bit head
Shape slot, the cross ridge to be formed of the adjacent strip groove constitute cutting edge, and the drill body cross-sectional shape is multi-corner star-shape.
In the application, adjacent bar slot crosses to form multiple ridges, the cutting edge bored as the preparation.Multi-corner star-shape refers to
It is observed against bit head, the bottom wheel profile of multiple strip grooves is crossed to form using each ridge as the shape at the angle on vertex.It can be five
To eight angles.
The drill body tapers slightly.The ridge is to prolong from the drill body close to the position of the interconnecting piece to the apex point end
The linear stretched, distance of the ridge away from the drill body axis is from the position close to the interconnecting piece to the tip of the bit head
Continuously (linearly) reduce.
Drill body cross section can be positive multi-corner star-shape, i.e., each angle is uniformly distributed in the circumference of cross section.Correspondingly, each bar shaped
Groove shape and size are essentially identical, are uniformly distributed on drill body circumference, and each ridge is also accordingly uniformly distributed in drill body circumference.Polygonal star
Shape is also possible to totally pentagram shape, positive hexagram, positive heptangle star, positive octagonal star etc..The application is not intended to limit the number at angle
Amount.
The angle of multi-corner star-shape can be acute angle.
In use, the interconnecting piece that the plantation nest preparation is bored is connected with driving device, driving drill body rotation, upper
It is punched on jawbone or mandibular, is then implanted into dental implant in Kong Zhongan.Compared with traditional pioneer bores with fluted drill, this is practical
The plantation nest preparation brill of novel proposition can be used for boring column planting body, it is advantageous that, the brill bored due to the plantation nest preparation
The cross section of head is multi-corner star-shape, such as hexagram, and in this way when bit squeezes, drill bit more stable can equably be connect
Touch the plantation nest of surrounding.
In some embodiments, the diameter at drill body maximum gauge that the plantation nest preparation is bored can be 2.2mm-
4.6mm.Diameter difference is 0.2mm.It is adapted to various sizes of implant in this way.
Although having inventors have found that the shear action that above-mentioned plantation nest preparation is bored is slightly weak and guaranteeing centainly to cut
The bonus effect of certain extrusion capability is also able to maintain while cutting ability, extrusion effect is stronger, can increase initial bone-
Planting body contact area increases the bone density of bone regeneration around implant equably to increase primary stability.Thus such plantation nest is pre-
Standby bore can be realized gradually expanding for bone, and thus reduce the probability of bone cracking, to reduce GBR (Guided bone
Regeneration: Guided Bone Regeneration) difficulty and make it possible early stage even at once bear a heavy burden.This is poor for bone mass
The patient of (e.g., sufferers of osteoporosis face) and Bone mineral change can be helpful.
In addition, existing pioneer bores and the bit performance of fluted drill, it is required in operation with about 300-800rpm's
Speed rotation, is not easy to manipulate, and can generate a large amount of heat in operation, needs plus water is cooling.The plantation nest preparation brill is being planted
It is able to maintain when nest preparation and (is less than 50rpm) at a slow speed, and do not have to add water, keep surgical procedure simpler and safe and reliable.
To sum up, above-mentioned plantation nest preparation brill can also be able to maintain certain extruding energy while guaranteeing certain cutting power
Power can effectively prevent bone to crack.Presently commercially available and dentistry implant operation drill bit cannot reach this effect.It is special
It is not that bone cracking and fenestration can be reduced by using this brill when planting nest preparation for the insufficient patient of horizontal bone weight
Probability so that planting body be made faster to combine to higher quality with bone tissue, and can reduce bone regeneration around implant Guided Bone Regeneration hand
The difficulty of art.
Detailed description of the invention
Below in conjunction with drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the schematic diagram that the plantation nest preparation of the prior art is bored；
Fig. 2 is the tooth schematic diagram for indicating to have different sclerotin；
Fig. 3 show the Longitudinal cross section schematic that the plantation nest preparation of one embodiment of the utility model is bored；
Fig. 4 is that schematic diagram is bored in the plantation nest preparation of one embodiment of the utility model, is seen against drill tip direction
Schematic diagram；
Fig. 5 is the perspective view that the plantation nest preparation of one embodiment of the utility model is bored；
Fig. 6 bores the signal when being punched on alveolus using the plantation nest preparation of one embodiment of the utility model
Figure.
Specific embodiment
Fig. 3 is the longitudinal section that the plantation nest preparation of an embodiment of the utility model is bored, as shown, plantation nest is pre-
Standby brill 1 includes interconnecting piece 11, drill body 12, drill bit 14.Interconnecting piece 11 is identical as conventional plantation nest preparation brill interconnecting piece structure, uses
It is connect in rotation drive device.It is repeated no more in the application.4 extension is provided at the position of interconnecting piece 11 along drill body 12
To the strip groove 13 of the linear of drill bit 14.The cross section of drill bit 14 can be multi-corner star-shape.In one embodiment, drill bit
14 cross section is positive hexagram, as shown in Figure 4.It will be described in detail hereinafter.
In the embodiment shown in fig. 3, drill body 12 tapers slightly, i.e., its outer peripheral diameter is from interconnecting piece 11 to 14 side of drill bit
To continuously (linearly) reduction.Plant (more nearby away from interconnecting piece 11) straight at the maximum gauge of the drill body 12 of nest preparation brill 1
Diameter can be 2.2mm-4.6mm, and the diameter difference of drill body 12 can be 0.2mm.Plantation nest preparation, which bores 1, in this way can up to 13 pieces, with
Adapt to different Tooth Sizes.In actual operation, the brill of different-diameter can be selected according to the actual situation, it is different straight to adapt to
The implant of diameter.
As shown in fig. 6, plantation nest preparation, which bores 1, may also include a plurality of mark 16 for indicating drill body height, such as it can use and swash
Light etc. is formed on drill body different height.In this way when being performed the operation, it can be clearly seen that the depth that drill bit enters is conducive to
Doctor's accurately controls.
Fig. 4 is that schematic diagram is bored in the plantation nest preparation of one specific embodiment of the utility model, is the direction P sight against drill bit
The schematic diagram observed, Fig. 5 are the perspective views of the brill.As shown, 14 top surface of drill bit is in positive hexagram, six angles are contained.
This six angles correspond respectively to the ridge 15 formed by the boundary between adjacent slot 13.The two sides at i.e. each angle are adjacent slot
13.Each ridge 15 forms the cutting edge in drill body.From fig. 4, it can be seen that the bottom of each adjacent slot 13 be intersected in ridge 15 formed it is sharp
Angle.
According to embodiment illustrated above, since the polyhedral shapes of 1 drill body cross section are bored in plantation nest preparation, so that
Plantation nest preparation bores 1 and also adds extrusion effect while taking into account shear action.Initial bone and plantation can be increased in this way
Contact level product increases the bone density of bone regeneration around implant equably to increase primary stability.Using the plantation of present embodiment
Nest preparation is bored 1 and is shown in clinical examination application beyond the good result expected.It, which can be realized, gradually expands bone, thus
It reduces plantation nest preliminary process and neutralizes the probability of bone cracking thereafter, to reduce the difficulty of GBR and make early stage or even bear a heavy burden at once
(install provisional prosthesis immediately after planting body plantation and can function at once) is possibly realized.The design to bone mass compared with
Poor (e.g., sufferers of osteoporosis face) and horizontal bone amount (horizontal bone volume) insufficient patient, which can have, significantly to be faced
Bed effect.
The advantage that preparation as shown in the figure is bored is that, when 1 circumgyration incision is bored in preparation, drill bit 14 and drill body 12 can be more stable
Uniformly in contact with the plantation nest bone wall of surrounding, can uniformly press to bone wall makes its gradually dilatancy in this way, to make to plant
Bone tissue of the nest in preparation is more controllable, has not only increased the primary stability of bone density and planting body, but also reduces bone cracking
Probability, and make bone cracking become to compare " controllable ", can also reduce the injury to surrounding periodontal tissues.It is good thus to obtain form
Plantation nest so that the implantation of planting body is simpler, the predictability of clinical effectiveness is stronger.The shape of dental implant, function
Can be close to periphery tooth, and can use for a long time.
It will be understood by those in the art that positive multi-corner star-shape can also be the angle of other quantity, and such as totally pentagram shape, positive seven
Angle star, positive illiciumverum star etc..The slot correspondingly formed in drill body also has 5,7 or 8 etc..
Fig. 6 is the schematic diagram bored using the plantation nest preparation of the utility model when being punched on alveolus, as shown,
In actual use, plantation nest preparation is bored 1 drill bit 14 and is rotated with certain speed, punches on alveolus.Due to drill body
The special construction of cross section, plantation nest preparation is able to maintain when boring 1 drilling operation (is less than 50rpm) at a slow speed.Due to being to revolve at a slow speed
Turn drilling, does not have to plus water cools down, simplify the structure of dental drill and the mode of operation of drilling.Increase as a result, bore operation when can
Control property reduces the heat production bored when carrying out Bone condensing simultaneously.
Further, since the ridge of drill body plays the role of cutting edge, and during circumgyration incision at a slow speed, the bone bits of generation are to the greatest extent
Amount is retained in slot 13 without taking out of outside drill body, so as to which the bone of patient itself bits are retained in as much as possible in plantation nest
To improve the efficiency of synosteosis, thus also slot 13 can be made to generate certain squeezing action to bone wall and increase the bone density of bone wall.
This is also effect not available for existing fluted drill etc..
In the above embodiment of the utility model, the cross-sectional shape bored by rationally designing plantation nest preparation makes
When proper bit squeezes, drill bit and drill body part can the more stable plantation nest uniformly in contact with its surrounding, increase initial
Bone-planting body contact area, increase the bone density of bone regeneration around implant equably to increase primary stability, reduce bone cracking
Probability has better meet actual use demand.
The embodiments of the present invention is described in detail above.It should be appreciated by those skilled in the art that can be with
These embodiments are carry out various modifications, changed and changed without departing from the scope of the utility model.The range is wanted by right
Ask restriction, however it is not limited to specific embodiment.
Claims (10)
1. a kind of plantation nest preparation is bored, which is characterized in that including interconnecting piece, the drill body being connect with interconnecting piece, and in drill body end
Bit head, the drill body include near the interconnecting piece to the bit head be extended multiple strip grooves, adjacent institute
It states the cross ridge to be formed of strip groove and constitutes cutting edge, the drill body cross-sectional shape is multi-corner star-shape.
2. plantation nest preparation according to claim 1 is bored, which is characterized in that the cross section of the drill body is positive polygonal star
Shape.
3. plantation nest preparation according to claim 1 or 2 is bored, which is characterized in that the cross section shape angle star of the drill body
For pentalpha to octagonal star-shaped one kind.
4. plantation nest preparation according to claim 1 or 2 is bored, which is characterized in that the drill body that the plantation nest preparation is bored is most
Most diameter is 2.2mm to 4.6mm.
5. plantation nest preparation according to claim 4 is bored, which is characterized in that the interval between diameters of the plantation nest preparation brill are
0.2mm。
6. plantation nest preparation according to claim 1 or 2 is bored, which is characterized in that the cross of adjacent described two strip grooves
Section is arc-shaped.
7. plantation nest preparation according to claim 6 is bored, which is characterized in that the ridge is from the drill body close to the company
The linear that the position of socket part extends to the prepared apex point end, distance of the ridge away from the drill body axis is from close to the company
The position of socket part is continuously reduced to the tip of the bit head.
8. plantation nest preparation according to claim 7 is bored, which is characterized in that the strip groove is uniformly distributed in the circle of drill body
Circumferential direction.
9. plantation nest preparation according to claim 1 is bored, which is characterized in that the cross-sectional circumference profile of the drill body it is straight
Diameter is continuously reduced from the position close to the interconnecting piece to the tip of the bit head.
10. plantation nest preparation according to claim 1 or 2 is bored, which is characterized in that further include the depth for being formed in the drill body
Scale shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106566.2U CN209059492U (en) | 2018-07-12 | 2018-07-12 | A kind of plantation nest preparation brill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106566.2U CN209059492U (en) | 2018-07-12 | 2018-07-12 | A kind of plantation nest preparation brill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209059492U true CN209059492U (en) | 2019-07-05 |
Family
ID=67089410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821106566.2U Expired - Fee Related CN209059492U (en) | 2018-07-12 | 2018-07-12 | A kind of plantation nest preparation brill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209059492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115737167A (en) * | 2022-11-18 | 2023-03-07 | 中山大学附属口腔医院 | Special trephine for alveolar bone cleft and operation method thereof |
-
2018
- 2018-07-12 CN CN201821106566.2U patent/CN209059492U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115737167A (en) * | 2022-11-18 | 2023-03-07 | 中山大学附属口腔医院 | Special trephine for alveolar bone cleft and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |