CN101543431B - Method for drawing individualized dental arch forms in orthodontia - Google Patents
Method for drawing individualized dental arch forms in orthodontia Download PDFInfo
- Publication number
- CN101543431B CN101543431B CN2008100353370A CN200810035337A CN101543431B CN 101543431 B CN101543431 B CN 101543431B CN 2008100353370 A CN2008100353370 A CN 2008100353370A CN 200810035337 A CN200810035337 A CN 200810035337A CN 101543431 B CN101543431 B CN 101543431B
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- Prior art keywords
- bracket groove
- central point
- groove central
- arc
- dental arch
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Abstract
The invention provides a method for drawing individualized dental arch forms in orthodontia, which adopts a four-point individualized dental arch form reverting method, and comprises the following steps: firstly, determining four central points of supporting-brackets of teeth; and respectively drawing circles and scribing to draw the individualized arch forms. The method for drawing the individualized dental arch forms in the orthodontia can complete the drawing of the individualized arch forms by only three steps through determination of four points, overcomes the complicated drawing process in the clinical conventional method, and achieves the aim of simply, quickly and accurately drawing the dental arch forms suitable for patient individuals.
Description
Technical field
The present invention relates to the stomatology field, relate in particular to the mouth cavity orthodontic field in the stomatology.
Background technology
Mouth cavity orthodontic is commonly called as " positive tooth " or " straightening one's teeth "; Need come into line denture to the positive tooth of patient; Recover patient's the arc attitude of normal teeth; At present the arc figure of orthodontist establishing criteria dental arch bends the arch wire that straightens one's teeth, or the preformed positive dental arch filament of standard that uses producer to provide rescues denture is uneven, and odd-shaped dental arch is remedied to normal dental arch form.But different patients' dental arch varies in size, and same Standard arch wire is not suitable for different individualities.At present, the arc figure of individual volume drawing individuation according to the patient of clinical use is then very loaded down with trivial details, and its method for drafting step is many, many, the complicated operation of project of measurement, and historical facts or anecdotes border application efficiency is lower, also is difficult to generally use.
Summary of the invention
The present invention provides a kind of simple method for drafting of individualized dental arch forms in orthodontia accurately, and its measurement project is few, plot step is easy, and concrete technical scheme of the present invention is described below.
A kind of method for drafting of individualized dental arch forms in orthodontia, it adopts 4 arc reducing processs of individuation, at first confirms the central point of four brackets on the tooth, do the circle line respectively, thereby the drafting individuation is arc.
The method for drafting of individualized dental arch forms in orthodontia provided by the invention; It adopts 4 arc reducing processs of individuation; Through confirming 4 points; Only needed for 3 steps just accomplished the arciform drafting of individuation, overcome the drawing process of clinical traditional method very complicated, reach simply, draw fast and accurately the arciform purpose of dental arch that meets individual patients.
Description of drawings
Fig. 1 chooses 4 sketch map on the tooth in the embodiment of the invention;
Fig. 2 is the sketch map of the arc drafting of labial teeth section arc in the embodiment of the invention;
Fig. 3 is the arc sketch map of completing of labial teeth section arc in the embodiment of the invention;
Fig. 4 is the sketch map of the arc drafting of backteeth section in the embodiment of the invention;
Fig. 5 is the sketch map that individualized dental arch forms in orthodontia is completed in the embodiment of the invention.
Main symbol description
1 bracket
2 mandibular teeth
20 left side lower jaw second bicuspid bracket groove central points
21 right side lower jaw second bicuspid bracket groove central points
30 left side mandibular first molar bracket groove central points
31 right side mandibular first molar bracket groove central points
100 diameters
101 first labial teeth section arcs are arc
102 second labial teeth section arcs are arc
200 first straight lines
300 second straight lines
201 first intersection points
301 second intersection points
202 first rays
302 second rays
The specific embodiment
Existing according to accompanying drawing, the present invention is done further description.
Embodiment
See also shown in Figure 1; Cheek side in mandibular teeth 2 all is equipped with bracket 1; The bracket of the dress on grinding one's teeth in sleep in the mandibular teeth 2 also can be the cheek pipe; The step of the method for drafting of individualized dental arch forms in orthodontia of the present invention at first is on the mandibular teeth 2 that bracket or cheek pipe are housed, to select 4 points, and these 4 is left side lower jaw second bicuspid bracket groove central point 20, right side lower jaw second bicuspid bracket groove central point 21; Left side mandibular first molar bracket groove central point 30, right side mandibular first molar bracket groove central point 31.
See also shown in Figure 2; Second step of this method for drafting is as diameter 100 with the spacing between left side lower jaw second bicuspid bracket groove central point 20, the right side lower jaw second bicuspid bracket groove central point 21; Justify with this diameter 100, be the first labial teeth section arc arc 101 like the semicircle among Fig. 3.
See also shown in Figure 4; The 3rd step of this method for drafting is to connect left side lower jaw second bicuspid bracket groove central point 20 to form first straight line 200 with left side mandibular first molar bracket groove central point 30; Connect right side lower jaw second bicuspid bracket groove central point 21 and form second straight line 300 with right side mandibular first molar bracket groove central point 31, said first straight line 200, second straight line 300 and the first labial teeth section arc arc 101 intersect acquisition first intersection point 201, second intersection point 301.
As shown in Figure 5; Just the tooth individuation is arc completes; Shown in solid line part among the figure, it comprises with first intersection point 201 and is first ray 202 on summit, is the second labial teeth section arc arc 102 between arc and first intersection point 201 of the backteeth section formed of second ray 302 on summit, second intersection point 301 with second intersection point 301.
Claims (1)
1. the method for drafting of an individualized dental arch forms in orthodontia, its step comprises:
At first be on the mandibular teeth that bracket or cheek pipe are housed, to select 4 points; These 4 is left side lower jaw second bicuspid bracket groove central point; Right side lower jaw second bicuspid bracket groove central point, left side mandibular first molar bracket groove central point, right side mandibular first molar bracket groove central point;
Second step be with the spacing between left side lower jaw second bicuspid bracket groove central point, the right side lower jaw second bicuspid bracket groove central point as diameter, justify with this diameter, it is arc that the semicircle that then covers the labial teeth section is the first labial teeth section;
The 3rd step was that connection left side lower jaw second bicuspid bracket groove central point and left side mandibular first molar bracket groove central point form first straight line; Connect right side lower jaw second bicuspid bracket groove central point and right side mandibular first molar bracket groove central point and form second straight line; Arc crossing acquisition first intersection point of said first straight line, second straight line and labial teeth section arc and second intersection point; Then positive the tooth individuation is arc completes, and it comprises with first intersection point and is first ray on summit, is that the second labial teeth section between arc and first intersection point of the backteeth section formed of second ray on summit, second intersection point is arc with second intersection point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100353370A CN101543431B (en) | 2008-03-28 | 2008-03-28 | Method for drawing individualized dental arch forms in orthodontia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100353370A CN101543431B (en) | 2008-03-28 | 2008-03-28 | Method for drawing individualized dental arch forms in orthodontia |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101543431A CN101543431A (en) | 2009-09-30 |
| CN101543431B true CN101543431B (en) | 2012-02-29 |
Family
ID=41190988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100353370A Expired - Fee Related CN101543431B (en) | 2008-03-28 | 2008-03-28 | Method for drawing individualized dental arch forms in orthodontia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101543431B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605459A (en) * | 1995-04-14 | 1997-02-25 | Unisn Incorporated | Method of and apparatus for making a dental set-up model |
| CN101103940A (en) * | 2007-07-31 | 2008-01-16 | 南京航空航天大学 | Method for fast and accurately detecting dental arch line on three-dimension grid dental cast |
-
2008
- 2008-03-28 CN CN2008100353370A patent/CN101543431B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605459A (en) * | 1995-04-14 | 1997-02-25 | Unisn Incorporated | Method of and apparatus for making a dental set-up model |
| CN101103940A (en) * | 2007-07-31 | 2008-01-16 | 南京航空航天大学 | Method for fast and accurately detecting dental arch line on three-dimension grid dental cast |
Non-Patent Citations (3)
| Title |
|---|
| JP昭64-8964A 1989.01.12 |
| 姚森.方丝理想弓的三个序列弯曲.《口腔正畸现代标准方丝弓矫治技术》.世界图书出版社,1996, * |
| 徐芸等.鉴别诊断分析系统.《Tweed-Merrifield标准方丝弓矫治理论与实用技术》.天津科技翻译出版公司,1998, * |
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| Publication number | Publication date |
|---|---|
| CN101543431A (en) | 2009-09-30 |
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Granted publication date: 20120229 Termination date: 20200328 |