CN208464284U - A kind of single solution for diverse problems formula digitlization tip of a root surgical operation guide plate - Google Patents
A kind of single solution for diverse problems formula digitlization tip of a root surgical operation guide plate Download PDFInfo
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- CN208464284U CN208464284U CN201721200953.8U CN201721200953U CN208464284U CN 208464284 U CN208464284 U CN 208464284U CN 201721200953 U CN201721200953 U CN 201721200953U CN 208464284 U CN208464284 U CN 208464284U
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- guide plate
- tip
- root
- soft tissue
- location hole
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Abstract
The utility model relates to a kind of single solution for diverse problems formulas to digitize tip of a root surgical operation guide plate, be provided with guide plate location hole, soft tissue incision index line and soft tissue support portion on the guide plate.Guide plate provided by the utility model is used cooperatively by soft tissue incision index line and soft tissue support portion, is turned over valve processing without cutting on a large scale and can be exposed operative region, soft tissue injury is small, and healing is fast, reduces the atrophy of postoperative gum；Lesion region can be accurately indicated by guide plate location hole, and determines position, orientation angle and the depth of operative approach, precise ablation lesion region.Guide plate provided by the utility model can realize minimally invasiveization, precision, rapid and simplification, reduce the risk for removing excessive bone tissue, damaging adjacent teeth, it is frightened to eliminate patient, alleviate the discomforts such as intraoperative hemorrhage and postoperative swelling pain, promote Wound healing, it is final to obtain ideal minimally invasive tip of a root surgical operation therapy effect.
Description
Technical field
The utility model belongs to field of oral cavity medical equipment, digitizes outside the tip of a root more particularly, to a kind of single solution for diverse problems formula
Section's surgical guide.
Background technique
Root canal therapy is the prefered method for treating dental pulp disease, periapical disease, can solve its most problems, still,
Due to the complexity of root canal anatomy system, there are still limitations for clinical diagnosis and operating technology.Research is pointed out, according to basic principle
After strictly carrying out mechanical preparation, chemical disinfection and close packing to root canal, 87%~92% success rate can be obtained.It is so surplus
Under 8%~13% need to carry out root canal surgical operation therapy, one of the most common is tip of a root surgical operation.
Tip of a root surgical procedure includes: that incision turns over valve, goes fenestration, periapex to scrape to control, root resection, detect, root canal
Retrograde preparation, root canal, which are driven in the wrong direction, to be filled, sutures.The positioning when difficult point of tip of a root surgical operation is fenestration to apical area, when
Periapex determines that there are certain difficulty, blindness ground auger mill in the position for suffering from apex radicis dentis and disease damage area without disease damage and when complete cortex bone
It may damage and suffer from root and adjacent teeth root of the tooth.Under normal conditions, tooth can be substantially determined according to the dissection external form of root of the tooth, preoperative X-ray film
The position of root long degree, the tip of a root first removes the sclerotin at the nearly tip of a root in art to the exposure of root face, bones directly then along the trend of root of the tooth
To tip of a root exposure.Such operation is limited by conditions such as surgical field of view, will increase the damage to bone tissue, extends Wound healing
Time, be easy to bring in some arts and postoperative complications, and technique sensitive with higher.
Yang Xue it is superfine " 3 D-printing guide plate auxiliary under minimally invasive apical leakage new method " ([J] dentistry research,
2016,32 (9): 944-948.) in for the first time using tip of a root surgical operation guide plate as auxiliary the minimally invasive tip of a root hand of operation tool row
Art, precise ablation tip of a root diseased region.But the guide plate, which need to be placed on tip of a root surgical operation bone face, just can accurately indicate lesion
Region.Usual way is to turn over 180 ~ 360 ° of valve processing so that tip of a root surgical operation bone face is sudden and violent by cut to gingival mucosa
Then dew places guide plate again and carries out subsequent tip of a root surgical operation.But cut turn over valve processing will be so that the big model of gingival soft tissue
That encloses damages, and the Wound healing time is long, will cause a degree of gingival recession, and influence beauty.
Therefore, a kind of damage that not only can be reduced to gingival soft tissue is developed, but also can accurately be indicated outside the tip of a root of lesion region
Section's surgical guide has great research significance and clinical value.
Summary of the invention
The purpose of the utility model is to overcome tip of a root surgical operation guide plates in the prior art to cause soft tissue injury big
Defect provides a kind of single solution for diverse problems formula digitlization tip of a root surgical operation guide plate.Tip of a root surgical operation guide plate provided by the utility model
It is used cooperatively by soft tissue incision index line and soft tissue support portion, hand can be exposed without cutting to turn over valve and handle on a large scale
Art region reduces soft tissue injury, and the Wound healing time is short, can reduce the atrophy of postoperative gum to a certain extent；Pass through
Guide plate location hole can accurately indicate lesion region, realize in tip of a root surgical operation and be accurately positioned to surgery location, angle and direction.
For achieving the above object, the utility model adopts the following technical solution:
A kind of single solution for diverse problems formula digitlization tip of a root surgical operation guide plate, the guide plate includes guide plate ontology, the guide plate ontology
Including the facing portion matched with clinical crown and with alveolar bone and mucous membrane matches thereon bone face, the facing portion includes
Occlusion face, lingual surface portion and the labial surface portion matched with clinical crown occlusal surface, the lingual surface portion and labial surface portion are set to described
It is engaged facial two sides and is matched respectively with clinical crown lingual surface and labial surface；It is provided with and tip of a root surgical operation on the bone face
The guide plate location hole that instrument matches, the upper and lower edge of the guide plate location hole, which is located at, suffers from the 1 of sound of baby talk root tip of a root upper and lower
At~4mm and at 1~3mm；It is provided on the guide plate location hole and is used to indicate incision gum through the guide plate location hole
The soft tissue incision index line of soft tissue can accommodate institute when so that opening along the soft tissue that the soft tissue incision index line is cut
State guide plate location hole；The soft tissue incision index line and tooth long axile direction are at 0 ~ 15 DEG C of angle；The guide plate location hole is left
Right two sides are respectively arranged with the soft tissue support portion of labiad face protrusion.
Single solution for diverse problems formula digitlization tip of a root surgical operation guide plate provided by the utility model is soft including being used to indicate incision gum
The soft tissue incision index line and guide plate location hole of tissue.When in use, first that guide plate is in place in dentofacial, the bone face of guide plate
Patient's gum is close in portion, and patient carries out soft tissue incision to art area along soft tissue incision index line with scalpel, uses surgical instrument
After notch is carried out appropriateness traction opening, guide plate is repositioned in notch, soft tissue support portion sticks two sides gum at this time
Film is propped up, the exposure of art area bone face.That is being used cooperatively by soft tissue incision index line and soft tissue support portion is turned over without cutting
Valve processing can expose tip of a root surgical operation bone face, and wound is small, small to gingival soft tissue destruction, and healing time is fast；Additionally, due to
The direction of soft tissue incision index line with along muscle fibre move towards near normal, be not in gingival atrophy phenomenon after Wound healing.
After guide plate is in place, since guide plate location hole upper limb is located at the 1~4mm suffered from above the sound of baby talk root tip of a root, under guide plate location hole
Edge is located at the 1~3mm suffered from below the sound of baby talk root tip of a root, and the root tip of 1~4mm can be precisely cut off using tip of a root surgical operating instrument
Point, and subapical anti-inflammatory agent is effectively removed.Lesion region can be accurately indicated by guide plate location hole, and is determined
Position, direction and the angle of operative approach, to guarantee the precise ablation lesion region tip of a root.
Guide plate provided by the utility model can turn over valve processing instead of conventional by the dentium sculptura art of single solution for diverse problems, substantially reduce
The damage of soft tissue, is conducive to the healing of soft tissue, reduces the atrophy of gum；In addition guide plate provided by the utility model
Minimally invasiveization, precision, rapid and simplification can be achieved, reduce the risk for removing excessive bone tissue, damaging adjacent teeth, eliminate and suffer from
Person is frightened, alleviates the discomforts such as intraoperative hemorrhage and postoperative swelling pain, promotes Wound healing, final to obtain the ideal minimally invasive tip of a root
Surgical operation therapy effect.
Preferably, the guide plate location hole is the circular hole matched with bone ring drilling.
Bone ring drilling is common surgical instrument in tip of a root surgical operation, when guide plate location hole is the circle matched with bone ring drilling
Kong Shi, anti-inflammatory agent under precisely cutting off tip of a root position using bone ring drilling and the cortex bone and the tip of a root that cover thereon.
Preferably, the upper limb of the guide plate location hole is located at the 3mm suffered from above the sound of baby talk root tip of a root.
Preferably, the lower edge of the guide plate location hole is located at the 2mm suffered from below the sound of baby talk root tip of a root.
The organization of root tips that any appropriate magnitude range can be cut off according to the actual situation in tip of a root surgical operation, when complete
98% infected material can be eliminated when cutting off root of the tooth 3mm, under the premise of saving tissue of tooth as far as possible, promotes the healing of lesion region.
Suffer from 3mm above the sound of baby talk root tip of a root when the upper limb of guide plate location hole is located at, selects the surgical instrument to match can complete resection
Root of the tooth 3mm obtains preferable surgical effect.When the lower edge of guide plate location hole is located at the 2mm suffered from below the sound of baby talk root tip of a root, choosing
The anti-inflammatory agent below the tip of a root can be thoroughly removed with the surgical instrument to match.
Preferably, the quantity of the guide plate location hole is at least one.
When guide plate location hole is multiple, carried out using apical area of the tip of a root surgical operation guide plate to more teeth
Precise positioning.
Preferably, the soft tissue incision index line is consistent with tooth long axile direction.
Preferably, the soft tissue incision index line passes through the center of guide plate location hole, the soft tissue incision index line
It is divided by the upper and lower fate of guide plate location hole, neutralizes lower three sections, upper and lower two sections of the length of the guide plate location hole is not small
In stress.It is further preferable that upper and lower two segment length and guide plate location hole of the soft tissue incision index line are straight
Diameter is equal.
Preferably, the guide plate location hole surrounding is provided with mucous membrane indicating window, and the quantity of the mucous membrane indicating window is at least 1
It is a.
Bone face and gingival mucosa can clear, be easily judged by the mucous membrane indicating window being arranged in guide plate location hole surrounding
Compactness, improve the accuracy of operation.
Preferably, the guide plate with a thickness of 2mm.
Plate thickness will affect the convenience degree in the effect in place and patient's surgical procedure of guide plate, set guide plate thickness to
When 2mm, guide plate is easy to be placed in position, and is also convenient for operating in the art of patient.
Compared with prior art, the utility model has the following beneficial effects:
1: by being used cooperatively for soft tissue incision index line and soft tissue support portion, hand can be exposed without turning over valve processing
Art bone face reduces wound and the damage to soft tissue, healing acceleration；
2: being realized in tip of a root surgical operation by guide plate location hole to the accurate fixed of surgery location, angle direction and depth
Position realizes minimally invasiveization and precision, utmostly reduces the wound to patient, promote the healing of wound；
3: by mucous membrane indicating window, being easy to judge the compactness of guide plate bone face and gingival mucosa, improve the accurate of operation
Property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of single solution for diverse problems formula that embodiment 1 provides digitizes tip of a root surgical operation guide plate；
Fig. 2 is the rearview that a kind of single solution for diverse problems formula that embodiment 1 provides digitizes tip of a root surgical operation guide plate；
Fig. 3 is the structural schematic diagram that a kind of single solution for diverse problems formula that embodiment 2 provides digitizes tip of a root surgical operation guide plate；
Fig. 4 is the structural schematic diagram that a kind of single solution for diverse problems formula that embodiment 3 provides digitizes tip of a root surgical operation guide plate.
Wherein:
1 is guide plate ontology, and 11 be facing portion, and 12 be bone face, and 111 be occlusion face, and 112 be lingual surface portion, and 113 be lip
Face；
3 be guide plate location hole；
4 be soft tissue incision index line；
5 be soft tissue support portion；
6 be mucous membrane indicating window.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with Figure of description
And specific embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the utility model, it is not used to limit the utility model.In addition, each implementation of the utility model disclosed below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in mode.
Embodiment 1
As shown in Fig. 1~2, the single solution for diverse problems formula digitlization tip of a root surgical operation guide plate that the present embodiment 1 provides includes guide plate sheet
The guide plate location hole 3,1 of body 1,1 soft tissue incision index line 4, soft tissue support portion 5 and 3 mucous membrane indicating window 6, it is described to lead
Plate ontology 1 includes the facing portion 11 matched with clinical crown and the bone face 12 matched with alveolar bone, the facing portion 11
Including the occlusion face 111 matched with clinical crown occlusal surface and be set to occlusion face two sides respectively with clinical crown
The lingual surface portion 112 and labial surface portion 113 that lingual surface and labial surface match；The guide plate location hole 3 is set on bone face 12, described to lead
Plate location hole 3 is the circular hole matched with bone ring drilling, and the upper and lower edge of a diameter of 5mm, the guide plate location hole 3 are located at
Suffer from the 3mm of the upper and lower of the sound of baby talk root tip of a root and at 2mm；Soft tissue incision instruction is vertically arranged on the guide plate location hole 3
Line 4, the soft tissue incision index line cross the center of circle of guide plate location hole, and the soft tissue incision index line 4 is by guide plate location hole
It is divided into two sections, the length of the two sections of the soft tissue incision index line 4 is respectively 3mm and 4mm；The guide plate is fixed
The left and right sides in position hole 3 is respectively arranged with the soft tissue support portion 5 of 113 protrusion of labiad face；In 2 surrounding of guide plate location hole
3 rectangular mucous membrane indicating windows 6 are provided with, the mucous membrane indicating window is in semicircular around the guide plate location hole 3；It is described to lead
Plate with a thickness of 2mm.
First that guide plate is in place in dentofacial, the bone face of guide plate is close to patient's gum, and patient is with scalpel along soft tissue
Notch index line carries out soft tissue incision to art area, after notch is carried out appropriateness traction opening with surgical instrument, again by guide plate
In place and in notch, soft tissue support portion props up two sides gingival mucosa at this time, the exposure of art area bone face.It is considerable from mucous membrane indicating window
It observes that guide plate is good in place, selects the bone ring drilling ring cutting bone and organization of root tips of 5mm, reach the depth of guide plate location hole instruction, from
And precise ablation tip of a root 3mm, and apical infection object is thoroughly removed.Finally, mucoperiosteum flap is resetted, and suture closing
Soft tissue wound, Pressur hemostatic.
Tip of a root surgical operation is carried out to patient using this auxiliary tool of tip of a root surgical operation guide plate, is taken out stitches after 7 days, patient
Gum is without shrinking back, and the healing of soft tissue cutting section is good, on beauty substantially without influence；It is checked within 60 days.When check patient without
The periapex bone hardboard of any clinical symptoms, X-ray film display operation excision has recovery trend, and transmission shadow diseased region is reduced, prompted
Bone defect starts to repair.
Embodiment 2
As shown in figure 3, single solution for diverse problems formula digitlization tip of a root surgical operation guide plate provided in this embodiment includes guide plate ontology 1,2
3,2 soft tissue incision index lines of a guide plate location hole, soft tissue support portion 5 and 1 mucous membrane indicating window 6, the guide plate ontology 1
Including the facing portion 11 matched with clinical crown and the bone face 12 matched with alveolar bone, the facing portion 11 includes and faces
Occlusion face 111 that bed corona occlusal surface matches and be set to occlusion face two sides respectively with clinical crown lingual surface and lip
The lingual surface portion 112 and labial surface portion 113 that face matches；The maintenance indicating window 2 is set on occlusion face 111；The guide plate is fixed
Position hole 3 is set to bone face 12, and the guide plate location hole 3 is the circular hole matched with trepan, a diameter of 5mm, the guide plate
The upper and lower edge of location hole 3 is located at the upper and lower for suffering from the sound of baby talk root tip of a root, the upper limb of the guide plate location hole 3 to the tip of a root away from
From for 4mm, the distance of lower edge to the tip of a root of the guide plate location hole 3 is 1mm；It is provided on the guide plate location hole 3 and tooth body
For long axis at the soft tissue incision index line 4 at 15 ° of angles, the soft tissue incision index line crosses the center of circle of guide plate location hole, described soft
Tissue cut index line 4 is divided into two sections, the length of the two sections of the soft tissue incision index line 4 by guide plate location hole
Degree is 4mm；The left and right sides of the guide plate location hole 3 is respectively arranged with the soft tissue support portion 5 of 113 protrusion of labiad face；
The side-lower of the guide plate location hole 3 is provided with 1 round mucous membrane indicating window 6；The guide plate with a thickness of 2mm.
It is when carrying out tip of a root surgical operation, tip of a root surgical operation guide plate is in place in art area, guide plate is placed just in art area
Position, gingival soft tissue is cut, and open notch by the instruction of soft tissue incision index line, guide plate is put into, lead at this time
Soft tissue support portion on plate props up gingival mucosa, the exposure of tip of a root surgical operation bone face.Guide plate location hole is positioned at wait perform the operation
Cut-away area observes the compactness of bone face and gingival mucosa by mucous membrane indicating window, and bone ring drilling ring cutting bone is selected after posting
Tissue and organization of root tips reach the depth of guide plate location hole instruction, thus 4 mm of the precise ablation tip of a root, and to the inflammation of 1mm under the tip of a root
Disease substance is purged.Finally, mucoperiosteum flap is resetted, and sutures and close soft tissue wound, Pressur hemostatic.
Tip of a root surgical site infections are carried out to patient using this auxiliary tool of tip of a root surgical operation guide plate, takes out stitches within 7 days, suffers from
Person's gum is without shrinking back, and the healing of soft tissue cutting section is good, on beauty substantially without influence；It is checked within 60 days.Patient has been when check
Without any clinical symptoms, the periapex bone hardboard of X-ray film display operation excision has recovery trend, and transmission shadow diseased region is reduced, mentioned
Show that bone defect starts to repair.
Embodiment 3
As shown in figure 4, single solution for diverse problems formula digitlization tip of a root surgical operation guide plate provided in this embodiment includes guide plate ontology 1,5
3,5 soft tissue incision index lines 4 of a guide plate location hole, soft tissue support portion 5 and 5 mucous membrane indicating window 6, the guide plate ontology
1 includes the facing portion 11 matched with clinical crown and the bone face 12 matched with alveolar bone, the facing portion 11 include with
Occlusion that clinical crown occlusal surface matches face 111 and be set to occlusion face two sides respectively with clinical crown lingual surface and
The lingual surface portion 112 and labial surface portion 113 that labial surface matches；The maintenance indicating window 2 is set on occlusion face 111；The guide plate
Location hole 3 is set to bone face 12, and the guide plate location hole 3 is the circular hole matched with trepan, and a diameter of 4mm is described to lead
The upper and lower edge of plate location hole 3 be located at the upper and lower 1mm for suffering from the sound of baby talk root tip of a root and 3mm at；On the guide plate location hole 3
It is provided with tooth long axile into 5 ° of soft tissue incision index line 4, the soft tissue incision index line crosses the circle of guide plate location hole
The heart, the soft tissue incision index line 4 are divided into two sections by guide plate location hole, the soft tissue incision index line 4 it is upper
Lower two sections of length is respectively 4mm and 4mm, and the left and right sides of the guide plate location hole 3 is respectively arranged with labiad face 113 and protrudes
Soft tissue support portion 5；The top of the guide plate location hole 3 is provided with 5 rectangle mucous membrane indicating windows 6；The thickness of the guide plate
Degree is 2mm.
First that guide plate is in place in dentofacial when carrying out tip of a root surgical operation, the bone face of guide plate is close to patient's gum,
Patient carries out soft tissue incision to art area along soft tissue incision index line with scalpel, and notch is carried out appropriateness with surgical instrument and is led
After drawing opening, guide plate is repositioned in notch, soft tissue support portion props up two sides gingival mucosa at this time, and art area bone face is sudden and violent
Dew.It can be observed that guide plate is good in place from mucous membrane indicating window, select the bone ring drilling ring cutting bone and organization of root tips of 4mm, reach guide plate
The depth of location hole instruction, thus precise ablation tip of a root 1mm, and apical infection object is thoroughly removed.Finally, by mucous membrane bone
Film valve resets, and sutures and close soft tissue wound, Pressur hemostatic.
Tip of a root surgical site infections are carried out to patient using this auxiliary tool of tip of a root surgical operation guide plate, are answered within one month
It looks into.Without any clinical symptoms, the periapex bone hardboard of X-ray film display operation excision has recovery trend, transmits patient when check
Shadow diseased region reduces, and bone defect is prompted to start to repair.
Claims (10)
1. a kind of single solution for diverse problems formula digitizes tip of a root surgical operation guide plate, which is characterized in that the guide plate includes guide plate ontology (1),
The guide plate ontology (1) includes the facing portion (11) matched with clinical crown and with alveolar bone and mucous membrane matches thereon bone
Facial (12), the facing portion (11) include occlusion facial (111), lingual surface portion (112) matched with clinical crown occlusal surface
With labial surface portion (113), the lingual surface portion (112) and labial surface portion (113) be set to facial (111) two sides of the occlusion and respectively with
Clinical crown lingual surface and labial surface match；The bone is provided with the guide plate matched with tip of a root surgical operating instrument on facial (12)
Location hole (3), the upper and lower edge of the guide plate location hole (3) are located at the 1~4mm for suffering from sound of baby talk root tip of a root upper and lower and 1
At~3mm；It is provided on the guide plate location hole (3) and is used to indicate soft group of gum of incision through the guide plate location hole (3)
The soft tissue incision index line (4) knitted can accommodate when so that opening along the soft tissue that the soft tissue incision index line (4) is cut
The guide plate location hole (3)；The soft tissue incision index line (4) and tooth long axile direction are at 0 ~ 15 DEG C of angle；The guide plate
The soft tissue support portion (5) of labiad facial (113) protrusion is respectively arranged at left and right sides of location hole (3).
2. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 1, which is characterized in that the guide plate positioning
Hole (3) is the circular hole matched with bone ring drilling.
3. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 1, which is characterized in that the guide plate positioning
The upper limb in hole (3) is located at the 3mm suffered from above the sound of baby talk root tip of a root.
4. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 1, which is characterized in that the guide plate positioning
The lower edge in hole (3) is located at the 2mm suffered from below the sound of baby talk root tip of a root.
5. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 1, which is characterized in that the guide plate positioning
The quantity in hole (3) is at least one.
6. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 1, which is characterized in that the soft tissue is cut
Mouth index line (4) is consistent with tooth long axile direction.
7. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 1, which is characterized in that the soft tissue is cut
Mouth index line (4) passes through the center of guide plate location hole (3), and the soft tissue incision index line is upper and lower by guide plate location hole (3)
Fate is divided into, neutralizes lower three sections, and upper and lower two sections of the length of the guide plate location hole is not less than stress。
8. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 7, which is characterized in that the soft tissue is cut
Upper and lower two segment length of mouth index line (4) is equal with guide plate positioning bore dia.
9. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 1, which is characterized in that the guide plate positioning
Hole (3) surrounding is provided with mucous membrane indicating window (6), and the quantity of the mucous membrane indicating window (6) is at least one.
10. single solution for diverse problems formula digitizes tip of a root surgical operation guide plate according to claim 1, which is characterized in that the guide plate
With a thickness of 2mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200953.8U CN208464284U (en) | 2017-09-19 | 2017-09-19 | A kind of single solution for diverse problems formula digitlization tip of a root surgical operation guide plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200953.8U CN208464284U (en) | 2017-09-19 | 2017-09-19 | A kind of single solution for diverse problems formula digitlization tip of a root surgical operation guide plate |
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| CN208464284U true CN208464284U (en) | 2019-02-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107714200A (en) * | 2017-09-19 | 2018-02-23 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | A kind of single solution for diverse problems formula digitizes tip of a root surgical operation guide plate |
| CN111870373A (en) * | 2020-09-08 | 2020-11-03 | 四川大学 | Maxillary sinus side wall windowing positioning and depth fixing plate, manufacturing method and positioning and depth fixing device |
-
2017
- 2017-09-19 CN CN201721200953.8U patent/CN208464284U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107714200A (en) * | 2017-09-19 | 2018-02-23 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | A kind of single solution for diverse problems formula digitizes tip of a root surgical operation guide plate |
| CN111870373A (en) * | 2020-09-08 | 2020-11-03 | 四川大学 | Maxillary sinus side wall windowing positioning and depth fixing plate, manufacturing method and positioning and depth fixing device |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20200919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |