CN107212935A - A kind of dentistry complete crown tooth preparation device - Google Patents
A kind of dentistry complete crown tooth preparation device Download PDFInfo
- Publication number
- CN107212935A CN107212935A CN201710391981.0A CN201710391981A CN107212935A CN 107212935 A CN107212935 A CN 107212935A CN 201710391981 A CN201710391981 A CN 201710391981A CN 107212935 A CN107212935 A CN 107212935A
- Authority
- CN
- China
- Prior art keywords
- mill
- tooth
- band
- dentistry
- preparation device
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
- A61C3/025—Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/06—Tooth grinding or polishing discs; Holders therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2204/00—Features not otherwise provided for
Abstract
The invention discloses a kind of dentistry complete crown tooth preparation device, including frame, controlling organization and band is cut by motor-driven annular mill that frame is run provided with motor, controlled motor, mill, which cuts band, includes shiny surface and the buffed surface provided with diamond dust.The present invention is simple in construction, convenient and practical.
Description
Technical field
The present invention relates to a kind of dentistry complete crown tooth preparation device.
Background technology
Complete crown is a kind of most common dummy of Prosthodontics, covers whole crown surfaces, can be for repair deficiency
The form of tooth, function and attractive in appearance, are also used as the retainer of fixed denture；The cause of disease of defect of teeth has dental caries, wound, mill
Damage, acid etching and developmental deformity etc., be common disease, the frequently-occurring disease in dentistry；Repaiied if defect is excessive, it is necessary to use complete crown class
Complex.
Illustrate the process of complete crown by taking porcelain complete crown as an example below：
1. oral cavity prepares
Finishing adjacent teeth and to again jaw is excessively sharp, long or paramophia hinders the cusp and marginal ridge of reparation.
2. tooth preparation
1. lingual surface preparation：Deep about 1.0mm ditch is first ground along gum edge with back taper car pin, reference is used as.Again with appropriate
Car pin eliminates the undercut at tongue knuckle to gum edge, and dissects the gap that profile uniformly abrades 1.2~1.5mm according to lingual surface.
2. labial surface preparation：The ditch that gum edge grinds deep 1.0mm is surveyed along lip with back taper car pin, reference is used as.Select again suitably
The tooth that car pin is uniformly abraded 1.2~1.5mm by labial surface profile makees tissue.
3. proximal surface preparation：It is close to fine emery powder car pin and suffers from tooth proximal surface along the cutting of gum direction is cut, is made to suffer from tooth and contacted with adjacent teeth
It is kept completely separate, and eliminates proximal surface undercut, should avoids cutting the contact point of adjacent teeth.The proximal surface axial wall of Tooth preparation two to cut end assemble 2 °~
5°.Tooth proximal surface elimination undercut of going forward and the width for adding about 1.0mm shoulders, 1.9~2.3mm of removing, lower preceding proximal surface reduction 1.7~
1.9mm。
4. cut end and the preparation of jaw face：Labial teeth cut end should abrade 1.5mm, and form the round and smooth inclined-plane to 45 ° of linguoclination, and
Lower jaw tooth should prepare into the inclined-plane to labial inclination.Mill jaw function point should abrade 1.5~2.0mm, non-functional point for 1.2~
1.5mm。
5. shoulder preparation：The lip in neck portion, neighbour, lingual surface are worn into column car pin 90 " shoulder, its shoulder width is
1.0mm, each portion is continuously consistent, its height general concordant gum edge or gum edge slightly under (<2mm).
6. complete：Each preparation face should be continuous, without undercut, without sharp corners.Otherwise it should be changed.Finally with appropriate
Each face is formed the blunt smooth surface of circle by instrument.
3. impression taking and modelling
1. a suitable partial denture pallet is selected.
2. gum is arranged, is stopped blooding, cleaning Tooth preparation particularly shoulder surface.
3. select special, fine print to touch material such as silicone rubber kinds etc. and produce work and to jaw stamp.Stamp should be clear, complete
It is whole.
4. with the timely perfusion model of dental stone.Model should be complete, and gum edge is clear, bubble-free and knurl body.Except comprising suffering from tooth
In addition, it should also at least include suffering near and far each one complete adjacent teeth of tooth, studio can be handed over to make.
4. temporary crown reparation
After tooth preparation and impression making are completed, temporary crown protection preparation should be done using preformation temporary crown or self-curing resin
Body, and be bonded with temporary transient cement.It should be noted that cleaning and sterilization Tooth preparation and temporary crown before bonding.Temporary crown should be avoided to gum
Or occlusion causes wound.Temporary crown should also have normal dissection profile and high polish.
5. the trying on of porcelain complete crown, cementation and completion
(1) try on
1. check the all-ceramic crown profile after completing and whether inner surface defective or knurl body.Porcelain hat color whether with original
Colorimetric is consistent.Respective handling should be done if you have questions.
2. on working model check porcelain hat it is in place, stably, it is closely sealed, adjacent, be engaged situations such as.
3. temporary crown is removed, Tooth preparation is cleaned.
4. by after porcelain hat cleaning, tried on intraoral.Porcelain hat is in place smoothly and without obvious loosening or tilting sense.Porcelain is preced with and tooth body
Bead is closely sealed good, no clear gap.Hat is contacted properly with adjacent teeth.It should adjust accordingly and change if you have questions, if necessary should
Do over again and reform.
5. it is intraoral try on and adjust and reform during, such as to porcelain be preced with surface smoothness and color damage it is larger when, should be from again
Glazing and coloring.
6. polish, polish, sterilization, dry after it is stand-by (such as need sandblasting, be cleaned by ultrasonic, hydrofluoric acid preparation acid etching Tooth preparation and
The steps such as cementation surface, then specific method is by manufacturer's requirement).
(2) cementation
1. it is intraoral every wet, hat and Tooth preparation are cleaned, 75% ethanol disinfection.Dried if necessary.
2. select appropriate cement (specifically used method is by producer's requirement), tune to be uniformly coated on Tooth preparation after mixing to come of age
Inner face will be preced with and is correctly located on Tooth preparation, is compressed with finger, tentatively removes excessive bonding agent, and a yarn is put on hat occlusal surface
Group, advises patient to sting tightly.
3. after cement knot is solid, the unnecessary bonding agent of facing, gingival sulcus, adjacent gap etc. is carefully removed.
4. occlusion and adjacent teeth contact point are checked again for.
5. interim cementation in this way, should provide the further consultation date.
(3) complete
1. such as trying on, cementation and reset procedure moderate stimulation gingiva tissue, locally can be prevented using jodine glycerin preparation
Marginal ginhivitis.
2. case history and doctor's advice (use and the health instruction that include all-ceramic crown) are write.
【Points for attention】
1. the tooth preparation cutting tooth tissue of porcelain complete crown is more, depth is up to dentin layer, therefore vital tooth preparation should be first
Local infiltration anesthesia is done, to reduce the pain of patient.
2. taking interval mill to cut gimmick, forbidden at any time with cold water sprays cooling with protecting dental pulp in the case of anhydrous cooling
At a high speed, continuous incisal grinding body tissue, when particularly being prepared in neck portion, should carefully be operated.
3. shoulder can not make bladed, pinniform, scrobicula and inclined-plane, decline to prevent hat edge resistance form.
4. the Tooth surface after the completion of refine answers smooth circle blunt, do not allow there are any sharp corners on axial wall, to prevent porcelain
It is preced with the jackknifing by stress.Immature teenager's vital tooth is unfit to do porcelain complete crown.
It can be seen that crown prostheses need to carry out tooth preparation before modulus, i.e., mill is carried out on tooth is suffered from and is cut, is that crown prostheses are reserved
Space, complete crown tooth preparation is one of most common operation of dentistry.
Require to illustrate with posterior all ceramic crowns tooth preparation：It is required that taper is suitable, interior angle circle is blunt, and shoulder is clear, shoulder width
About 0.8-1.0mm, and shoulder even width is consistent, it is smooth.
It can be seen that the tooth preparation of complete crown is the big key in whole crown prostheses, it is quite difficult.Only tooth body
Preparation is well-done, and follow-up impression taking, corona processing and fabricating and follow-up corona vertex-gluing graph can be smoothly completed.
Current complete crown tooth preparation is completed mainly by the apparatus such as diamond dust car pin and wolfram steel brill, and this method skill
Art requires high, and the doctor enriched with clinical experience that is only skilled in technique can just make high-quality complete crown tooth preparation.With Buddha's warrior attendant
Exemplified by sand car pin, the tiny particles of silicon carbide of its head drill bit periphery attachment, these particles of silicon carbide pass through impurity elimination, degaussing, rolling
Circle, purification processes, show excellent on sharpness and abrasion resistance.
In existing technical method using high speed dental turbo machine drive diamond dust car pin directly mill cut pending tooth as
It is main, during angle, dynamics and the direction of the car pin that operate when needing operator skillfully can control to prepare, it is ensured that equably abrade
Tissue of tooth, is that crown prostheses obtain relatively uniform gap and space.
Following problem is brought with upper type：
1st, very high skill requirement is proposed to operator, veteran doctor still has higher fault rate, lack of experience
Doctor be difficult to control；
2nd, during tooth preparation, diamond dust car pin not only can carry out mill to pending tooth and cut, can also be near
The tooth for being not required to processing causes damage.
The content of the invention
The invention is intended to provide a kind of dentistry complete crown tooth preparation device, to reduce the skill requirement to operator.
Patent formula：A kind of dentistry complete crown tooth preparation device, including frame, frame are provided with motor, controlled motor
The controlling organization of operation, cooling system and band is cut by motor-driven annular mill, mill, which cuts band, includes shiny surface and provided with gold
The buffed surface of emery.
It is enclosed in use, the mill of the present invention is cut into band on pending tooth, buffed surface and pending teeth contact, mill are cut
Band, motor and pending tooth constitute the structure of similar conveyer belt, and wherein electric machine main shaft is drive roll, and it is band body that mill, which cuts band,
Pending tooth is as idler roller, then operational control mechanism, and electric motor starting drives mill to cut band and rotated, and buffed surface carries out tooth
Quick polishing, and cooling system can also be cooled down to buffed surface and polishing chip etc. in time in bruting process.
Compared with prior art, beneficial effects of the present invention：
1st, in process, at least three axial planes of buffed surface and pending tooth carry out contact polishing, compared to adopting
Carried out being polished around the circumferential profile of pending tooth with diamond dust car pin, multiple axles of the invention that can not only polish simultaneously
Face, improves efficiency, it is ensured that polishing quality, additionally it is possible to be voluntarily adjacent to tooth and polished, during need not manually manipulate around tooth
Circumferentially rotate；In addition, shiny surface of the invention is contacted with the adjacent teeth or axial plane that need not polish, it is to avoid diamond dust car
The injury to adjacent teeth brought when pin is used.
2nd, in process, mill of the invention, which cuts band, to form relatively closed space with pending tooth, and mill is cut
Band can serve as deceleration strip, barrier tape, and chip for producing of polishing etc. is difficult splashing injure patient oral cavity, at the same mill cut band can also
Chip is brought at one, is easy to unification to be handled, it also avoid chip card and be difficult to clear up between the teeth.
3rd, to cut band equipment for grinding simple for mill, compared with diamond dust car pin grinding machine, and mill cuts that band grinding machine is simply too much, and this is mainly
Because mill cuts band light weight, grinding force is small, shakes small in grinding process, the vibrations that are produced to tooth, damages and is all far below Buddha's warrior attendant
Sand car pin grinding machine.
4th, mill cuts that band grinding action is easy, and non-cutting time is few, and whether manual or motor-driven mill cuts band grinding, and it is operated all
It is very easy.The clamping for taking workpiece to be machined to is cut from changing to adjust to grind, everything can be completed in a short period of time.
5th, mill cuts band grinding ratio greatly, and utilization ratio of device is high, and stock-removing efficiency is high so that the material of excision equivalent weight or volume
The instrument and energy expenditure consumed is reduced, and holding time is short.
6th, mill cut band be ground it is very safe, noise is small, and break flour is few, and easily controllable, and environmental benefit is good.
7th, because mill is cut with very light weight itself, even if fracture there will not be the danger hurted sb.'s feelings.Mill cuts band grinding not as gold
The such sand fallout of emery car pin is serious, when particularly dry grinding, and abrasive dust constitutes the material for being mainly workpiece to be machined, it is easy to reclaim and
Control dust.Due to using rubber contact wheel, mill is cut will not form the rigidity punching to workpiece with grinding as diamond dust car pin
Hit, therefore processing noise very little, generally<70dB.
8th, mill of the invention is cut band and run between tooth and the gap of tooth, and mill is cut band and contacted with tooth in face, and
Whole mill cuts the preferable support by adjacent teeth with meeting, and diamond dust car pin is then cantilever design, with tooth in line in running
Contact, fatigue that is whard to control and being easily caused operator.
New technical method proposed by the present invention：Existing prepared theory is changed completely, it is pre- with a kind of brand-new method
Four axial planes and shaping shoulder of standby tooth.Compared with existing preparation method, the technical requirements to operator are relatively lower, right
Grasp to get up to be more prone to for Dentist.It is existing to require operator's skill with traditional diamond dust car pin preparation tooth body axial plane
Art is higher, only can just carry out the axial plane part of complete crown tooth preparation by the experience practised and constantly accumulated many times, should
Ask axial plane uniformly to prepare the tissue of tooth of (mill is cut) suitable thickness, form the suitable shoulder of width again, and preparation face is smooth, nothing
Obvious convex-concave point, surface is smooth.
And the technical method that this patent is used can reduce the difficulty of tooth preparation, according to operating process, even if relative warp
Testing the doctor for owing abundant can also grasp quickly, and preparation goes out to reach the standby tooth effect needed for clinical treatment, is repaiied to follow-up complete crown
Lay a solid foundation again.
Preferred scheme one, as the further optimization to base case, it is buffed surface that the mill, which cuts band inwall, and outer wall is light
Sliding surface.
The effect of this programme is：The tissue of tooth that axial plane uniformly prepares (mill is cut) suitable thickness can be formed.
Preferred scheme two, as the further optimization to base case, it is L-shaped that the mill, which cuts band section, and only mill cuts band bottom
Face is buffed surface.
The effect of this programme is：It can be used in forming the suitable shoulder of width, and preparation face is smooth, without obvious convex-concave
Point, surface is smooth.
Preferred scheme three, is used as the further optimization to base case, preferred scheme one or preferred scheme two, cooling system
Unite as water-cooling system, water-cooling system includes being used for the container for filling water and water from container mouth is led into the water-supply-pipe that mill cuts belt surface
Road.
The effect of this programme is：While cooling using the mode of water cooling to the present apparatus, additionally it is possible to which cleaning is sick in time
The oral cavity of people, and technology maturation, cost are low.
Preferred scheme four, is used as the further optimization to base case, preferred scheme one or preferred scheme two, the control
Mechanism processed is knob or foot-operated.
The effect of this programme is：Convenient use person's manipulation controlling organization controls the stable operation of the present apparatus.
Preferred scheme five, is used as the further optimization to base case, preferred scheme one or preferred scheme two, diamond dust
Granularity size is 20-30 μm or 53-63 μm or 100-120 μm or 121-140 μm.
Preferred scheme six, as the further optimization to base case, preferred scheme one or preferred scheme two, mill cuts band
Thickness is 0.2mm.
Preferred scheme seven, as the further optimization to preferred scheme one, mill cuts bandwidth for 4mm or 7mm or 10mm.
Preferred scheme eight, as the further optimization to preferred scheme two, the width of bottom surface for 0.5mm or 0.8mm or
1.0mm。
Preferred scheme nine, as the further optimization to preferred scheme one, the cross section band that the mill cuts band is tapered, and
Taper is 6 °.
The effect of this programme is：The design of taper can more cater to the construction of human teeth, and be more prone to from corona position
Tooth root is inserted into, while cutting band uniform grinding tooth beneficial to mill.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention one；
Fig. 2 is the schematic diagram before and after tooth preparations；
Fig. 3 is the schematic diagram of shoulder mill slitting band in the embodiment of the present invention one；
Fig. 4 is Fig. 3 side view；
Fig. 5 is the schematic diagram of axial plane mill slitting band in Fig. 1；
Fig. 6 is shoulder mill slitting band use state figure in the embodiment of the present invention one；
Fig. 7 is the structural representation of the embodiment of the present invention two.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Shoulder mill slitting band 1, shoulder mill cut band bottom 2, shoulder 3, wait to locate
Manage tooth 4, axial plane mill slitting band 5, buffed surface 6, controlling organization 7.
Embodiment one：
As shown in figure 1, a kind of dentistry complete crown tooth preparation device, including frame, frame is provided with motor, controlled motor
The controlling organization of operation, cooling system and band is cut by motor-driven annular mill, mill, which cuts band, includes shiny surface and provided with gold
The buffed surface of emery.
It is enclosed in use, the mill of the present invention is cut into band on pending tooth, buffed surface and pending teeth contact, Ran Houcao
Make controlling organization, electric motor starting drives mill to cut band and rotated, and buffed surface is quickly polished tooth, and cooling system in bruting process
System can also be cooled down to buffed surface and polishing chip etc. in time, and in process, buffed surface and pending tooth are at least
Three axial planes carry out contact polishing, are beaten compared to the circumferential profile for using diamond dust car pin surround pending tooth
Mill, multiple axial planes of the invention that can not only polish simultaneously, improves efficiency, it is ensured that polishing quality, additionally it is possible to be voluntarily adjacent to tooth and enter
Row polishing, during circumferentially rotated around tooth without manually manipulating；In addition, shiny surface of the invention and need not it polish
Adjacent teeth or axial plane contact, it is to avoid the injury to adjacent teeth that diamond dust car pin is brought when using.In whole process, this hair
Bright mill cuts band can form relatively closed space with pending tooth, and mill, which cuts band, can serve as deceleration strip, barrier tape, polish
Chip of generation etc. is difficult splashing injure patient oral cavity, while mill is cut band and chip can also brought at one, is easy to unified carry out
Processing, it also avoid chip card and is difficult to clear up between the teeth.
New technical method proposed by the present invention：Existing prepared theory is changed completely, it is pre- with a kind of brand-new method
Four axial planes and shaping shoulder of standby tooth.Compared with existing preparation method, the technical requirements to operator are relatively lower, right
Grasp to get up to be more prone to for Dentist.It is existing to require operator's skill with traditional diamond dust car pin preparation tooth body axial plane
Art is higher, only can just carry out the axial plane part of complete crown tooth preparation by the experience practised and constantly accumulated many times, should
Ask axial plane uniformly to prepare the tissue of tooth of (mill is cut) suitable thickness, form the suitable shoulder of width again, and preparation face is smooth, nothing
Obvious convex-concave point, surface is smooth.
And the technical method that this patent is used can reduce the difficulty of tooth preparation, according to operating process, even if relative warp
Testing the doctor for owing abundant can also grasp quickly, and preparation goes out to reach the standby tooth effect needed for clinical treatment, is repaiied to follow-up complete crown
Lay a solid foundation again.
As shown in Fig. 2,4 and 5, the present invention includes axial plane mill slitting band, and its inwall is buffed surface, and outer wall is shiny surface, energy
Enough form the tissue of tooth that axial plane uniformly prepares (mill is cut) suitable thickness.
It is simple that mill cuts band equipment for grinding, compared with diamond dust car pin grinding machine, and it is simply too much that mill cuts band grinding machine, this be mainly because
Band light weight is cut for mill, grinding force is small, shake small in grinding process, the vibrations that are produced to tooth, damaged and be all far below diamond dust
Car pin grinding machine.Mill cuts that band grinding action is easy, and non-cutting time is few, and whether manual or motor-driven mill cuts band grinding, and it is operated all
It is very easy.The clamping for taking workpiece to be machined to is cut from changing to adjust to grind, everything can be completed in a short period of time.Mill
Cut band grinding ratio big, utilization ratio of device height, stock-removing efficiency is high so that the instrument that the material of excision equivalent weight or volume is consumed
Reduced with energy expenditure, holding time is short.Mill cut band be ground it is very safe, noise is small, and break flour is few, and easily controllable, Environmental Effect
Benefit is good.Because mill is cut with very light weight itself, even if fracture there will not be the danger hurted sb.'s feelings.Mill cuts band grinding not as diamond dust car
The such sand fallout of pin is serious, when particularly dry grinding, and abrasive dust constitutes the material for being mainly workpiece to be machined, it is easy to reclaim and control powder
Dirt.Due to using rubber contact wheel, mill is cut will not form the rigid shock to workpiece with grinding as diamond dust car pin, therefore add
Work noise very little, generally<70dB.
As shown in Fig. 3,6, present invention additionally comprises shoulder mill slitting band, its section is L-shaped, and it is polishing that only mill, which cuts band bottom surface,
Face, can be used in forming the suitable shoulder of width, and preparation face is smooth, and without obvious convex-concave point, surface is smooth.
Cooling system is water-cooling system, and water-cooling system for filling the container of water and water from container mouthful being led into mill including cutting band
The hydraulic pipeline on surface.Water-cooling system is the mode of conventional use of water smoke cooling in the prior art.
While cooling using the mode of water cooling to the present apparatus, additionally it is possible to clear up the oral cavity of patient, Er Qieji in time
Art is ripe, and cost is low.
Controlling organization is knob or foot-operated.The stable fortune of convenient use person's manipulation controlling organization control present apparatus
OK.
Frame is provided with the fixed part for being used for fixing on the ground.It is convenient to be suspended vacantly the present apparatus, it is to avoid operator one
Straight hand-held whole device, greatly reduces the use difficulty of operator, alleviates the fatigue of oral cavity doctor during tooth preparation.
Axial plane mill slitting band:The mill that there is diamond dust one side cuts band, and width size has 4mm/7mm/10mm optional, thickness design
For 0.2mm, (the granularity size of mill tangent plane, determines the size of the cutting power of mill slitting, and the mill slitting band of coarse-grain is main
Play mill to cut, the mill of thin and fines degree cuts band and plays polishing action)
Particles of silicon carbide degree size：
| Classification | Size | Purposes |
| Slightly | 121-140μm | Type is cut into for grinding |
| Standard | 100-120μm | Type is cut into for grinding |
| Carefully | 53-63μm | For polishing |
| It is superfine | 20-30μm | For polishing |
Shoulder mill slitting band：Lower edge has the shoulder mill slitting band (shaping and polishing that are used for Tooth preparation shoulder) of diamond dust.
Shoulder mill slitting band section hat is similar " L " shape, the width of lower end according to the design of material of preparation all-ceramic prosthesis into 0.5mm,
0.8mm, 1.0mm, only lower end lower surface carry diamond dust, and with cutting function, thickness is 0.2mm.
Driving mill cuts the high-speed motor of strip movement.(may be designed as contact hand pressure or floor push)
Water-cooling system：Positioned at comprising for filling the container of water and water from container mouth being led to the water-supply-pipe of mill slitting belt surface
Road.
Because the difference of Full Crown material, required gap is also different, the tooth scale of construction of preparation (polishing) is different.
Herein by taking the standby tooth of zirconium dioxide all-ceramic crown as an example, the step of introducing this technology method.
Need the Buccodental of crown prostheses and tongue (palate) face respectively made of diamond dust car pin one parallel to gum edge zanjon,
Zanjon should be made at the shoulder position of standby tooth design, and this ditch for being used to position can effectively prevent the mill slitting of operating with gingivally
Fang Yundong, is allowed to move repeatedly in the FX of tooth.
First by conventional strip (grinding the band cut for axial plane), mill slitting band is enclosed into placement around tooth one, makes to have
The one of diamond dust is facing to Tooth surface.
Open motor switch, mill, which cuts band and is driven in facing and grinds repeatedly, to be cut, and the water in container, which is also taken advantage of a situation, flows out to mill slitting
Take, for cooling.Four axial plane Even Grindings of tooth are first treated that the cutting output of the axial plane of tooth is approached with coarse grained band
To (about 2-3min) during 1mm, (controllable motor rotary speed, beginner's suggestion is set compared with the slow-speed of revolution, and it is slightly long that mill cuts the time；And practician
Adjustable height rotating speed, cutting time needed for shortening)
The cutting band continuation mill for using fine granularity instead is cut, and plays a part of repairing type polishing, about 1min, thickness to be cut
Stop during up to 1mm.Whether the amount with the pin check preparation tooth body of the special depthkeeping of dentistry is suitable.
Use shoulder mill slitting band preparation, about plastic polishing shoulder, 1min instead.
Afterwards with the occlusal surface of conventional diamond dust car pin (such as flame-shaped, droplet-shaped drill bit) preparation tooth, about 1.5- is ground
2mm。
Contrast and experiment：
Conventional technical means and the technical program are compared in design control experiment, arrange have more than 5 years clinical experiences respectively
Doctor (15 people) and intern (15 people) participate in, and the conventional meanses and row complete crown tooth body of the present invention of diamond dust car pin are respectively adopted
Preparation.The tooth preparation of complete crown is carried out on gypsum perfused Isolated Tooth.
Intern's group：(this skill is significantly reduced the time required to complete crown tooth preparation using this technology method row single tooth
Art average out to 19 minutes, conventional art is 38 minutes).Scored according to full porcelain tooth complete crown for tooth standard, standby tooth quality score
The score value of (mean scores) apparently higher than use conventional method.
Doctor's group of more than 5 years clinical experiences：Taken using this technology method and conventional method row complete crown tooth preparation
Between without significant difference.Standby tooth quality score is also without significant difference.
Routine techniques：Intern is far longer than experienced doctor, preparation quality score completion single tooth readiness time
(average 5.8 points) is well below there is experience doctor.
This technology method：Intern is in readiness time and has experience doctor without significant difference, be slightly worse than in quality have through
Doctor is tested, but total physical efficiency, which reaches, can receive scope (by the standards of grading of 10 points of full marks, average 7.1 points).
Embodiment two：
With differing only in for embodiment one：Axial plane mill cuts the cross section of band for taper wide at the top and narrow at the bottom, and taper is
6°。
Above-described is only that the known general knowledge such as concrete structure and characteristic is not made herein in embodiments of the invention, scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
Embodiment etc. records the content that can be used for explaining claim.
Claims (10)
1. a kind of dentistry complete crown tooth preparation device, including frame, it is characterised in that frame is provided with motor, controlled motor
The controlling organization of operation, cooling system and band is cut by motor-driven annular mill, mill, which cuts band, includes shiny surface and provided with gold
The buffed surface of emery.
2. a kind of dentistry complete crown tooth preparation device according to claim 1, it is characterised in that the mill cuts band inwall
For buffed surface, outer wall is shiny surface.
3. a kind of dentistry complete crown tooth preparation device according to claim 1, it is characterised in that the mill cuts band section
For L-shaped, it is buffed surface that only mill, which cuts band bottom surface,.
4. a kind of dentistry complete crown tooth preparation device according to claim any one of 1-3, it is characterised in that described cold
But system is water-cooling system, and water-cooling system includes the container for filling water and water from container mouth is led into the water delivery that mill cuts belt surface
Pipeline.
5. a kind of dentistry complete crown tooth preparation device according to claim any one of 1-3, it is characterised in that the control
Mechanism processed is knob or foot-operated.
6. a kind of dentistry complete crown tooth preparation device according to claim any one of 1-3, it is characterised in that the gold
Emery granularity size is 20-30 μm or 53-63 μm or 100-120 μm or 121-140 μm.
7. a kind of dentistry complete crown tooth preparation device according to claim any one of 1-3, it is characterised in that the mill
Tape thickness is cut for 0.2mm.
8. a kind of dentistry complete crown tooth preparation device according to claim 2, it is characterised in that the mill cuts bandwidth
For 4mm or 7mm or 10mm.
9. a kind of dentistry complete crown tooth preparation device according to claim 3, it is characterised in that the width of the bottom surface
For 0.5mm or 0.8mm or 1.0mm.
10. a kind of dentistry complete crown tooth preparation device according to claim 2, it is characterised in that the mill cuts band
Cross section band is tapered, and taper is 6 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391981.0A CN107212935B (en) | 2017-05-27 | 2017-05-27 | Dental full-crown tooth body pre-standby device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391981.0A CN107212935B (en) | 2017-05-27 | 2017-05-27 | Dental full-crown tooth body pre-standby device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107212935A true CN107212935A (en) | 2017-09-29 |
| CN107212935B CN107212935B (en) | 2020-09-04 |
Family
ID=59946894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710391981.0A Active CN107212935B (en) | 2017-05-27 | 2017-05-27 | Dental full-crown tooth body pre-standby device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107212935B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635067A (en) * | 2018-08-07 | 2018-10-12 | 广东工业大学 | A kind of miniature grinding and polishing tool of dentistry |
| CN109820610A (en) * | 2019-01-31 | 2019-05-31 | 上海慧丰牙科技术有限公司 | A kind of fixed denture and processing technology |
| CN110403717A (en) * | 2018-04-26 | 2019-11-05 | 盘锦国瑞升科技有限公司 | A kind of burnishing stick of grinding and polishing teeth space |
| CN113520629A (en) * | 2021-08-31 | 2021-10-22 | 青岛市口腔医院 | Preparation method of neck and shoulder of tooth in full crown restoration process of tooth and special machine needle thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001093774A1 (en) * | 2000-06-09 | 2001-12-13 | Neks Technologies Inc. | Applicator and method for applying a sealing agent on smooth dental surfaces, in particular on interproximal surfaces |
| CN2624851Y (en) * | 2003-01-17 | 2004-07-14 | 肖杨 | Directional controller for grinding |
| US20050244786A1 (en) * | 2004-04-28 | 2005-11-03 | George Freedman | Dental finishing device |
| CN101011294A (en) * | 2006-02-01 | 2007-08-08 | 马尼株式会社 | Dental grinding stone with axis and its production method |
| WO2007142630A1 (en) * | 2006-06-05 | 2007-12-13 | Daniel Sung-Yul Kim | Dental filing tool |
| US20080131839A1 (en) * | 2004-09-13 | 2008-06-05 | Navarro Carlos F | Apparatus and method for removing enamel from a person's tooth |
| US20090017420A1 (en) * | 2006-10-04 | 2009-01-15 | Saadallah Jabri | Gingival Cord Applicator for Dental Crown Preparation |
| CN201189210Y (en) * | 2008-04-16 | 2009-02-04 | 四川大学 | Shoulder preparation, body guide needle for dentistry |
| CN101389287A (en) * | 2006-02-21 | 2009-03-18 | 纽斯麦尔有限公司 | Prefabricated dental crowns |
| US20100178634A1 (en) * | 2009-01-14 | 2010-07-15 | Wendy Dralus | Dental sanding strip |
| WO2013136262A1 (en) * | 2012-03-12 | 2013-09-19 | Sdc Switzerland Sa | Oscillating dental angle handpiece |
| US20140220507A1 (en) * | 2013-02-01 | 2014-08-07 | Clifford John Van Putten | Dental shaping strip |
| CN105283270A (en) * | 2013-04-11 | 2016-01-27 | 德国Lukas-Erzett磨料磨具有限公司 | Grinding body |
| EP3078347A1 (en) * | 2015-04-09 | 2016-10-12 | Ackel, Gilbert | Dental strip holder |
-
2017
- 2017-05-27 CN CN201710391981.0A patent/CN107212935B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001093774A1 (en) * | 2000-06-09 | 2001-12-13 | Neks Technologies Inc. | Applicator and method for applying a sealing agent on smooth dental surfaces, in particular on interproximal surfaces |
| CN2624851Y (en) * | 2003-01-17 | 2004-07-14 | 肖杨 | Directional controller for grinding |
| US20050244786A1 (en) * | 2004-04-28 | 2005-11-03 | George Freedman | Dental finishing device |
| US20080131839A1 (en) * | 2004-09-13 | 2008-06-05 | Navarro Carlos F | Apparatus and method for removing enamel from a person's tooth |
| CN101011294A (en) * | 2006-02-01 | 2007-08-08 | 马尼株式会社 | Dental grinding stone with axis and its production method |
| CN101389287A (en) * | 2006-02-21 | 2009-03-18 | 纽斯麦尔有限公司 | Prefabricated dental crowns |
| WO2007142630A1 (en) * | 2006-06-05 | 2007-12-13 | Daniel Sung-Yul Kim | Dental filing tool |
| US20090017420A1 (en) * | 2006-10-04 | 2009-01-15 | Saadallah Jabri | Gingival Cord Applicator for Dental Crown Preparation |
| CN201189210Y (en) * | 2008-04-16 | 2009-02-04 | 四川大学 | Shoulder preparation, body guide needle for dentistry |
| US20100178634A1 (en) * | 2009-01-14 | 2010-07-15 | Wendy Dralus | Dental sanding strip |
| WO2013136262A1 (en) * | 2012-03-12 | 2013-09-19 | Sdc Switzerland Sa | Oscillating dental angle handpiece |
| US20140220507A1 (en) * | 2013-02-01 | 2014-08-07 | Clifford John Van Putten | Dental shaping strip |
| CN105283270A (en) * | 2013-04-11 | 2016-01-27 | 德国Lukas-Erzett磨料磨具有限公司 | Grinding body |
| EP3078347A1 (en) * | 2015-04-09 | 2016-10-12 | Ackel, Gilbert | Dental strip holder |
Non-Patent Citations (1)
| Title |
|---|
| 赵玮: "全冠的牙体预备", 《国外医学口腔医学分册》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403717A (en) * | 2018-04-26 | 2019-11-05 | 盘锦国瑞升科技有限公司 | A kind of burnishing stick of grinding and polishing teeth space |
| CN108635067A (en) * | 2018-08-07 | 2018-10-12 | 广东工业大学 | A kind of miniature grinding and polishing tool of dentistry |
| CN109820610A (en) * | 2019-01-31 | 2019-05-31 | 上海慧丰牙科技术有限公司 | A kind of fixed denture and processing technology |
| CN113520629A (en) * | 2021-08-31 | 2021-10-22 | 青岛市口腔医院 | Preparation method of neck and shoulder of tooth in full crown restoration process of tooth and special machine needle thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107212935B (en) | 2020-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107212935A (en) | A kind of dentistry complete crown tooth preparation device | |
| Christensen | Veneering of teeth: state of the art | |
| US5083922A (en) | Abrasive lined prophy cup | |
| US10765498B2 (en) | Method for polishing artificial tooth and device for polishing artificial tooth | |
| Banerjee et al. | Air abrasion: its uses and abuses | |
| US6860738B2 (en) | Hygiene instrument for cleaning and polishing the surface of the teeth and the composite materials of dental fillings | |
| KR101478720B1 (en) | Guide device of dental drill and method for making stent | |
| Kocher et al. | Instrumentation of furcation with modified sonic sealer inserts A study on manikins (II) | |
| Kocher et al. | Instrumentation of furcation with modified sonic sealer inserts: study on manikins, Part I | |
| TWI757171B (en) | A dental abrasive tool and methods of use | |
| CN109820610A (en) | A kind of fixed denture and processing technology | |
| Minker | Simplified full coverage preparations | |
| Sous et al. | Ultrasonic sulcus penetration: a new approach for full crown preparations. | |
| US20040131994A1 (en) | Hygiene instrument for cleaning and polishing the surface of the teeth and the composite materials of dental fillings | |
| Smith | The marginal fit of the full cast shoulderless crown | |
| KR102085108B1 (en) | Dental grooves bur with possible grinding various angles | |
| US9707051B1 (en) | Depth limiting bur | |
| TWM615291U (en) | Dental grinding appliance | |
| US6783366B1 (en) | Method of finishing resin-based dental restorations | |
| CN206434432U (en) | A kind of clinical tooth before and after is for tooth instrument | |
| Brunton et al. | A technique for the removal of restoration overhangs and finishing and polishing of restoration and preparation margins. | |
| CN215425203U (en) | Dental grinding tool | |
| CN209499954U (en) | A kind of suit that comfortably cleans one's teeth | |
| Cohn | Intergrating treatment procedures in occluso-rehabilitation | |
| CN209499931U (en) | A kind of oral multifunctional nursing suit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |