CN105816252A - Digital tooth arrangement method - Google Patents
Digital tooth arrangement method Download PDFInfo
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- CN105816252A CN105816252A CN201610261221.3A CN201610261221A CN105816252A CN 105816252 A CN105816252 A CN 105816252A CN 201610261221 A CN201610261221 A CN 201610261221A CN 105816252 A CN105816252 A CN 105816252A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
- A61C2007/004—Automatic construction of a set of axes for a tooth or a plurality of teeth
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30036—Dental; Teeth
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- General Health & Medical Sciences (AREA)
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- Oral & Maxillofacial Surgery (AREA)
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- General Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
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- Animal Behavior & Ethology (AREA)
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention provides a digital tooth arrangement method. The method comprises the following steps of: (1) picking up a mould to obtain a three-dimensional digital denture; (2) taking a picture of the front postural position with smile of a patient; (3) removing the oral part enclosed by upper and lower lips in the smiling picture g by using picture processing software; (4) exporting the three-dimensional digital denture and the smiling picture into digital tooth arrangement software, adjusting the size of the three-dimensional digital denture by taking the tooth exposed anatomic form in the smiling picture as reference to enable the size of the three-dimensional digital denture to be the same as that of teeth in the smiling picture; (5) arranging the three-dimensional digital tooth denture in the smiling picture, adjusting the position and rotating angle of the three-dimensional digital denture, and locking the position relationship of the three-dimensional digital denture and the smiling picture to obtain a simulated smiling picture h: and (6) arranging teeth according to the treatment scheme and target. The method is used for arranging teeth by taking teeth and whole face, especially fit of teeth with lips and smile as reference, so that the orthodontic attractive effect of digital tooth arrangement can be further improved.
Description
Technical field
The invention belongs to clinical oral orthodontic technology field, particularly to a kind of digitized row's tooth method.
Background technology
Malocclusion is one of big disease in oral cavity three, not only affects the arranging situation of tooth, also can affect patient's Maxillary region form.Lip is in close relations with tooth, and malocclusion may result in the problems such as lip prolapse, X-ray cephalometry, gummy smile, affects patient's look attractive in appearance.Demand for satisfied treatment is arranged tooth technology gradually extensively apply in correction field with accurate medical requirement, digitized, and doctor can determine therapeutic goal by digital model, greatly improves the accuracy for the treatment of.But, traditional digitized row's tooth technology only comprises three-dimensional digital denture, have ignored tooth overall with face, important relationship especially attractive in appearance with lip and smile, exist many not enough, such as: the face of patient cannot be seen during row's tooth, thus the position of upper denture center line cannot be determined according to face center line；The exposed amount of Upper Anterior Teeth under smile state cannot be seen during row's tooth, thus cannot determine whether Upper Anterior Teeth needs elongation or press-in；The lower lip form under smile state cannot be seen during row's tooth, thus cannot design that Upper Anterior Teeth incisxal edge coincide therewith " laugh at arc " ... therefore, existing digitized row's tooth flow process has to be updated.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of new digitized row's tooth method, overall with face with tooth, especially attractive in appearance with lip and smile mates for reference to arranging tooth, improves the correction aesthetic of digitized row's tooth further.
Digitized of the present invention row's tooth method, step is as follows:
(1) by directly scanning the digital information obtaining denture in scanning after using impression material delivery or mouth, digitized row's tooth software development is utilized to go out to simulate the three-dimensional digital denture of every Tooth movement；
(2) shooting patient's basic position position smile's photo, it is thus achieved that the facial digitized smile photo g of this patient's expose portion tooth, and import computer, backup；
(3) photo handling software is used to scratch the buccal portion surrounded except upperlip in smile photo g, it is thus achieved that to eliminate the smile tooth exposed and gingiva, the smile photo f that buccal portion is transparent blank region of upperlip encirclement；
(4) in the three-dimensional digital denture that step (1) obtained, smile photo g, smile's photo f importing digitalization row's tooth software, the anatomic form of tooth is exposed as reference in smile photo g, adjust the size of three-dimensional digital denture, make it equal in magnitude with smile's photo g Tooth, and at same interface, smile photo g and smile photo f is adjusted to formed objects；
(5) the three-dimensional digital denture adjusting size is placed in the lower floor of smile photo f, the tooth and the gum portion that make transparent blank region in three-dimensional digital denture oral cavity in smile photo f between upperlip reveal, with reference to smile photo g, position and the anglec of rotation of three-dimensional digital denture is adjusted on the premise of smile photo f position is fixing, make smile photo f simulates the tooth truly appeared in the tooth appeared and gingiva form and smile photo g and gingiva form is completely the same, then by this position relationship locking of 3-dimensional digital denture with smile photo f, that is to say and simulate the spatial relationship of real alveolar bone and overall face and fixed, reference bit in this, as digitized row's tooth, obtain simulating smile picture h；
(6) carry out arranging tooth according to therapeutic scheme and target, smile photo f is hidden during row's tooth, only display three-dimensional digital denture, after row's tooth completes, it is switched to reference bit, again show smile photo f obtain medical treatment after simulation smile picture h, effect adjusts row's tooth result accordingly, until finally determine.Owing to reference bit simulates the spatial relationship of real alveolar bone and overall face, and arranging tooth is that tooth moves in alveolar bone, therefore when switching back into reference bit after arranging tooth and terminating, it becomes possible to after simulation orthodontic, tooth is relative to appearing situation under the position of overall face and smile's state.
In said method, in step (2), the method for shooting patient's basic position position smile's photo is for intercepting required picture after using digital camera shooting photo or shooting.
The spendable existing row's tooth software of the present invention, such as the iOrtho software of " epoch angel " company, the Clincheck software etc. of hidden suitable U.S. (liking neat) company.
Compared with prior art, the method have the advantages that
1, the present invention is that digitized row's tooth provides a kind of new method, denture and lip and the whole relation reference of smile is added in row's tooth flow process, allow doctor or the technician can reference faces, lip and the overall appearance of smile when arranging tooth, thus the row's of improvement tooth, optimizing therapeutic regimen is finally reached lip tooth relationship and facial area optimal effectiveness attractive in appearance, the row's of making tooth is naturally smiled with human face and is more mated, and improves correction effect.
2, digitized based on smile row's tooth flow process that the present invention proposes, it is possible not only to realize the smile's simulation in terms of two dimension, in the case of obtaining patient's 3-d photographs, can realize the smile situation of full-scope simulation patient on three-dimensional, the plan of the row's of making tooth is more directly perceived, accurately.
3, digitized based on smile row's tooth flow process that the present invention proposes, can be to patient's visual simulation the dynamic change process of smile in effect and treatment after showing treatment, it is easy to doctor and adjusts therapeutic scheme according to patient's suggestion, it is beneficial to doctors and patients' exchange, optimize therapeutic process, it is to avoid unnecessary conflict between doctors and patients.
Detailed description of the invention
Below by detailed description of the invention, digitized of the present invention row's tooth method is described further.It should be noted that, although posture smile has preferable stability and repeatability, but the soft tissues such as the smile of people is not the most changeless, moves with age, tooth, facial muscle change, and smile's state (such as lip amount of contraction) itself is likely to a certain degree of change.Therefore, the present invention is only used for reference guide row's tooth, can not smile's state after the predicted treatment of entirely accurate.
Embodiment 1
Digitized row tooth method described in the present embodiment, step is as follows:
(1) doctor carries out delivery to patient by the way of using impression material or being digitized scanning delivery, obtain the three-dimensional digital information of denture, utilize digitized row's tooth software (the iOrtho software of " epoch angel " company) to produce the three-dimensional digital denture that can simulate every Tooth movement；
(2) by the method such as camera or video camera shooting patient's basic position position smile's photo, (basic position is smiled and is referred in social life or the smile that produces when being required to smile by people, it is generally acknowledged that it has preferable repeatability), obtain the facial digitized smile photo g of this patient's expose portion tooth, import computer, backup；
(3) photo handling software photoshop is used to scratch the buccal portion (tooth that including smiles exposes and gum portion) surrounded except upperlip in smile photo g, it is thus achieved that the buccal portion that upperlip surrounds is the smile photo f of transparent blank region (tooth and gingiva that i.e. eliminating smiles exposes)；
(4) in the three-dimensional digital denture that step (1) obtained, smile photo g, smile's photo f importing digitalization row's tooth software (the iOrtho software of " epoch angel " company), smile photo g to expose the anatomical features (the as above incision margin of central incisor) of tooth as reference, adjust the size of three-dimensional digital denture, make it equal in magnitude with smile's photo g Tooth, and at same interface, smile photo g and smile photo f is adjusted to formed objects；
(5) the three-dimensional denture adjusting size is placed in the lower floor of smile photo f, the tooth and the gum portion that make transparent blank region in three-dimensional digital denture oral cavity in smile photo f between upperlip reveal, with reference to smile photo g, position and the anglec of rotation of three-dimensional digital denture is adjusted on the premise of smile photo f position is fixing, make smile photo f simulates the tooth truly appeared in the tooth appeared and gingiva form and smile photo g and gingiva form is completely the same, then 3-dimensional digital denture is locked with smile photo f, reference bit as digitized row's tooth, obtain simulating smile picture h；
(6) carry out arranging tooth according to therapeutic scheme and target, smile photo f is hidden during row's tooth, only display three-dimensional digital denture, can amplify during this, move, rotated three dimensional denture, the center line such as making three-dimensional denture overlaps with patient face center line, and the exposed amount of Upper Anterior Teeth is determined according to smile effect, arrangement Upper Anterior Teeth incisxal edge is allowed to mate with lower lip, after row's tooth completes, it is switched to reference bit, again show smile photo f obtain medical treatment after simulation smile picture h, effect adjusts row's tooth result accordingly, until finally determine.
Claims (2)
1. digitized row's tooth method, it is characterised in that step is as follows:
(1) by directly scanning the digital information obtaining denture in scanning after using impression material delivery or mouth, digitized row's tooth software development is utilized to go out to simulate the three-dimensional digital denture of every Tooth movement；
(2) shooting patient's basic position position smile's photo, it is thus achieved that the facial digitized smile photo g of this patient's expose portion tooth, and import computer, backup；
(3) photo handling software is used to scratch the buccal portion surrounded except upperlip in smile photo g, it is thus achieved that to eliminate the smile tooth exposed and gingiva, the smile photo f that buccal portion is transparent blank region of upperlip encirclement；
(4) in the three-dimensional digital denture that step (1) obtained, smile photo g, smile's photo f importing digitalization row's tooth software, the anatomic form of tooth is exposed as reference in smile photo g, adjust the size of three-dimensional digital denture, make it equal in magnitude with smile's photo g Tooth, and at same interface, smile photo g and smile photo f is adjusted to formed objects；
(5) the three-dimensional digital denture adjusting size is placed in the lower floor of smile photo f, the tooth and the gum portion that make transparent blank region in three-dimensional digital denture oral cavity in smile photo f between upperlip reveal, with reference to smile photo g, position and the anglec of rotation of three-dimensional digital denture is adjusted on the premise of smile photo f position is fixing, make smile photo f simulates the tooth truly appeared in the tooth appeared and gingiva form and smile photo g and gingiva form is completely the same, then by this position relationship locking of three-dimensional digital denture with smile photo f, that is to say and simulate the spatial relationship of real alveolar bone and overall face and fixed, reference bit in this, as digitized row's tooth, obtain simulating smile picture h；
(6) carry out arranging tooth according to therapeutic scheme and target, smile photo f is hidden during row's tooth, only display three-dimensional digital denture, after row's tooth completes, it is switched to reference bit, again show smile photo f obtain medical treatment after simulation smile picture h, effect adjusts row's tooth result accordingly, until finally determine.
Digitized row tooth method the most according to claim 1, it is characterised in that in step (2), the method for shooting patient's basic position position smile's photo is for intercepting required picture after using digital camera shooting photo or shooting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261221.3A CN105816252A (en) | 2016-04-25 | 2016-04-25 | Digital tooth arrangement method |
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| CN201610261221.3A CN105816252A (en) | 2016-04-25 | 2016-04-25 | Digital tooth arrangement method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320325A (en) * | 2018-01-04 | 2018-07-24 | 华夏天宇（北京）科技发展有限公司 | The generation method and device of dental arch model |
| CN110269706A (en) * | 2019-06-26 | 2019-09-24 | 深圳牙领科技有限公司 | A kind of digitized manufacturing system method of artificial tooth |
| CN111145876A (en) * | 2019-12-27 | 2020-05-12 | 四川大学 | Dental picture arrangement method, system, equipment and storage medium |
| CN111388125A (en) * | 2020-03-05 | 2020-07-10 | 深圳先进技术研究院 | Method and device for calculating tooth movement amount before and after orthodontic treatment |
| CN111920535A (en) * | 2020-07-10 | 2020-11-13 | 上海交通大学医学院附属第九人民医院 | All-ceramic tooth preparation method based on face and oral dentition three-dimensional scanning technology |
| WO2024141074A1 (en) * | 2022-12-30 | 2024-07-04 | 上海时代天使医疗器械有限公司 | Method for generating facial midline, orthodontic appliance, and manufacturing method therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079494A (en) * | 2010-06-29 | 2013-05-01 | 3形状股份有限公司 | 2D image arrangement |
| CN105354426A (en) * | 2008-05-23 | 2016-02-24 | 矫正技术公司 | Smile designer |
-
2016
- 2016-04-25 CN CN201610261221.3A patent/CN105816252A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105354426A (en) * | 2008-05-23 | 2016-02-24 | 矫正技术公司 | Smile designer |
| CN103079494A (en) * | 2010-06-29 | 2013-05-01 | 3形状股份有限公司 | 2D image arrangement |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320325A (en) * | 2018-01-04 | 2018-07-24 | 华夏天宇（北京）科技发展有限公司 | The generation method and device of dental arch model |
| CN110269706A (en) * | 2019-06-26 | 2019-09-24 | 深圳牙领科技有限公司 | A kind of digitized manufacturing system method of artificial tooth |
| CN111145876A (en) * | 2019-12-27 | 2020-05-12 | 四川大学 | Dental picture arrangement method, system, equipment and storage medium |
| CN111145876B (en) * | 2019-12-27 | 2023-12-29 | 成都牙讯科技有限公司 | Dental picture arrangement method, system, equipment and storage medium |
| CN111388125A (en) * | 2020-03-05 | 2020-07-10 | 深圳先进技术研究院 | Method and device for calculating tooth movement amount before and after orthodontic treatment |
| CN111920535A (en) * | 2020-07-10 | 2020-11-13 | 上海交通大学医学院附属第九人民医院 | All-ceramic tooth preparation method based on face and oral dentition three-dimensional scanning technology |
| WO2024141074A1 (en) * | 2022-12-30 | 2024-07-04 | 上海时代天使医疗器械有限公司 | Method for generating facial midline, orthodontic appliance, and manufacturing method therefor |
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Application publication date: 20160803 |