CN115300148A - Forming maxillary half-mouth denture personalized palatal picture and method thereof - Google Patents
Forming maxillary half-mouth denture personalized palatal picture and method thereof Download PDFInfo
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Abstract
The invention discloses a formed maxillary half-mouth denture personalized palate picture and a method thereof, belonging to the technical field of denture preparation. The method comprises the following steps: making a fine impression of the patient's upper jaw; after placing the polyether silicon rubber on the rear side of the fine maxillary impression, the patient is asked to generate sounds of ' k ', g and ng ' in the English text; after placing the polyether silicone rubber on the anterior side of the fine maxillary impression, the patient was asked to emit sounds "s, z, sh, zh, l, t, d, ch, j, n, r and y" in the text in sequence; and then, the lip side shape of the upper anterior tooth area of the upper jaw fine impression is reshaped, and after position guidance of neutral zone tooth arrangement is formed, scanning and printing are carried out. The method can shape the shape of the palate area, so that the fit degree of the upper jaw fine impression and the oral cavity of the patient is higher, the complete denture is more personalized to manufacture, and the problems of unclear pronunciation and strong foreign body sensation after wearing of the patient caused by the complete denture can be effectively avoided.
Description
Technical Field
The invention belongs to the technical field of denture preparation, and particularly relates to a formed upper jaw half denture individual palate chart and a method thereof.
Background
The tongue is a very flexible organ in the human body that can constantly change its position, shape and size. The tongue is the primary articulator of the consonants and during speech sounds are completed by contacting different areas of the palate, the alveolar ridge and the teeth. The tongue is therefore an important component of the speech system, and in order to produce different sounds, the tongue can be finished by raising, narrowing, thinning, protruding, retracting or forming a groove or flattening within the mouth.
Therefore, capturing the tongue movement during speech is very important when recording the morphology of the palate, since the tongue pressure thereby exerted on the palate can be advantageously utilized to generate a palate map. A palatal map is defined as a graphical representation of the contact area between the tongue and the palate during speech. It can also be described as a "map of the palate," representing all of the contact area of the tongue when different sounds are produced during normal speech.
In the traditional manufacture of the first half removable denture, the attention on the morphology of the palate part is less usually determined by the experience of a dental technician, so that the patient often has a 'tongue' feeling due to the situation of unclear pronunciation or strong foreign body sensation after the final denture is worn, and at the moment, a doctor performs local grinding or trimming according to the experience or the patient adapts to a new denture for a long time. Therefore, the production of the personalized palate diagram is very important in the production of the upper half denture. Therefore, the method for forming the individualized maxillary half-mouth denture palate image, which is suitable for the situation in China and can be widely developed by a primary doctor, is very urgent to develop, and the application is provided in particular in view of the above.
Disclosure of Invention
The invention aims to develop a forming maxillary half-mouth denture personalized palate picture which is suitable for the situation of China and can be widely developed by a primary doctor and a method thereof, so that the complete denture is more personalized to be manufactured, and the problems of unclear pronunciation and strong foreign body sensation after being worn of a patient caused by the complete denture are solved.
The invention is realized by the following technical scheme:
in a first aspect, the present invention provides a method of forming a maxillary hemi-denture personalized palatal map, comprising:
making a fine impression of the patient's upper jaw with the individual trays;
after polyether silicon rubber is placed on the rear side of a palate side polished surface of each tray for preparing the upper jaw fine impression, the obtained upper jaw fine impression is reset in the oral cavity of a patient, and the patient generates tones of ' k ', g and ng ' in English so as to integrally mould the shape of the rear third of a palate area;
placing polyether silicon rubber on the front side of a palate side polished surface of an individual tray of the upper jaw fine impression, resetting the obtained upper jaw fine impression in the oral cavity of a patient, and enabling the patient to generate sounds of's, z, sh, zh, l, t, d, ch, j, n, r and y' in English in sequence so as to integrally mould the shape of the front side part of a palate area;
and then, shaping the lip side shape of the anterior tooth area on the upper maxillary fine impression, and scanning and printing after finishing the position guidance of the neutral tooth arrangement.
Further, in a preferred embodiment of the present invention, the method for reshaping the labial form of the upper anterior dental area of the fine maxillary impression comprises:
will the back is got rid of to the handle of the meticulous impression of upper jaw, and the lip lateral zone is placed polyether silicon rubber in the front, resets the meticulous impression of gained upper jaw in the patient oral cavity, lets the patient poult, smile to the shape of tooth district lip side before plastic.
Further, in a preferred embodiment of the present invention, the above-mentioned "k, g and ng" tones in english are generated by letting the patient say "gnaw a hard steamed bun" in the process of integrally molding the rear third of the palatal polished surface of the individual tray from which the maxillary fine impression is taken.
Further, in a preferred embodiment of the present invention, the above-mentioned two-thirds of the way of the palatal side polishing surface of the individual tray for plastic-making the fine impression of the upper jaw simulates the contact of the tongue with the upper palate by letting the patient speak the following sentences in order, giving in order "s, z, sh, zh, l, t, d, ch, j, n, r and y" sounds in english:
"four hundred fourteen";
"the z-pronunciation of English letters is z";
"a sleeping mat";
"one monk \30344;" Yifo door ";
"old plum eating plum";
"sugar dumplings are too hot";
"I have got the moral model name";
"soldier riding on horse";
borrowing one's umbrella;
"milk drink milk";
"cake is soft";
grandpa drinks coconut juice.
Further, in a preferred embodiment of the present invention, in the above-mentioned process of integrally molding the rear portion of the palatal polishing surface area of the respective tray from which the fine maxillary impression is to be made, the polyether silicone rubber is placed in the rear 1/3 area of the respective tray;
in the process of integrally molding the front part of the palatal polishing surface area of the individual tray from which the fine impression of the upper jaw is to be made, the polyether silicone rubber is placed on the front 2/3 area of the individual tray.
Further, in a preferred embodiment of the present invention, the above-mentioned fine maxillary impression is prepared by an open type individual tray and a polyether silicone rubber.
Further, in the preferred embodiment of the present invention, the above-mentioned fine impression of the upper jaw is made by letting the patient swing the lower jaw left and right, pout up, and massage the cheek horizontally to shape the two cheek sides.
In a second aspect, the invention provides a formed maxillary half-mouth denture personalized palate diagram prepared by the method.
In a third aspect, the invention provides a personalized complete denture, which comprises the above-mentioned forming maxillary half denture personalized palate picture.
Compared with the prior art, the invention at least has the following technical effects:
according to the forming upper jaw half mouth false tooth personalized palate picture and the forming upper jaw half mouth false tooth personalized palate picture forming method, polyether silicon rubber is placed on a palate side polishing surface of an individual tray for preparing an upper jaw fine impression, so that a patient can pronounce different syllables, the contact situation between a tongue and an upper palate is simulated, the shape of the upper palate is recorded, the movement of the tongue in the speaking process is captured, the shape of the upper palate area is integrally molded, the shape of the upper palate area is enabled to be higher in adaptation degree with the oral cavity of the patient, the whole mouth false tooth is made more personalized, and the problems that the whole mouth false tooth makes the patient unclear pronunciation and strong foreign body sensation is caused just after wearing the whole mouth false tooth can be effectively avoided.
Drawings
FIG. 1 is a schematic view of a fine impression of the upper jaw in example 2 of the present invention;
fig. 2 is a schematic view of a fine impression of the lower jaw in example 2 of the present invention;
FIG. 3 is a diagram showing the patient's morphology (indicated by arrows) after the patient's entire plastic palate area after speaking in example 2 of the present invention; while taking the fine impression, sculpting the morphology of the maxillary double buccal side by functional movement (arrows);
FIG. 4 is a schematic view showing polyether silicone rubber placed in the front two thirds of the palate area in example 2 of the present invention;
FIG. 5 is a diagram showing the patient articulatedly sculpting the anterior two-thirds of the palate region (shown by arrows) with the anterior teeth region handle removed (shown by arrows) in accordance with example 2 of the present invention;
FIG. 6 is a view showing the placement of polyether silicone rubber (indicated by an arrow) on the maxillary anterior labial side in example 2 of the present invention;
FIG. 7 is a view showing that the functional movement of a patient is enabled, the lip shape of the anterior tooth region is integrally molded (shown by an arrow), and the neutral region of tooth arrangement is integrally molded (shown by an arrow) by the movement of the tongue during the functional movement and pronunciation in embodiment 2 of the present invention;
fig. 8 shows that the mandible in the embodiment 2 of the invention obtains the personalized polished surface and the neutral zone tooth arrangement position guidance through functional movement shaping;
FIG. 9 is a schematic view of an apparatus for obtaining jaw relation of a patient according to embodiment 2 of the present invention;
FIG. 10 is a schematic view showing that the device of FIG. 9 is used in example 2 of the present invention, the upper jaw impression is first prepared, then the height of the occlusal embankment-like device is adjusted to a vertical distance close to the patient, then the upper jaw impression is repositioned to the mouth, some silicone rubber heavy materials are placed on the edentulous alveolar ridge of the lower jaw edentulous, the patient is bitten to a proper vertical distance and horizontal relation, and finally the jaw position relation is finally confirmed by using light silicone rubber;
fig. 11 is a schematic diagram of matching the STL file of the acquired upper and lower jaw fine impressions and the STL file of the jaw relation through the upper jaw impression and the edentulous alveolar ridge of the lower jaw part to finally obtain the upper and lower jaw fine impressions with the jaw relation in embodiment 2 of the present invention;
FIG. 12 is a schematic view showing virtual tooth arrangement (shown by arrows) performed at the positions of neutral zones directly on the fine maxillary and mandibular impressions in jaw-position relationship in example 2 of the present invention;
fig. 13 is a view showing the manufacture of a diagnostic denture for the upper jaw using PLA (polylactic acid material) by means of 3D printing according to example 2 of the present invention, the diagnostic denture completely reproducing the manufactured personalized polished surface (including the personalized morphology of the palate part obtained by sound plastic), and the position guide of the artificial tooth arranged in the neutral zone;
fig. 14 is a view showing a mandibular diagnostic denture made of PLA (polylactic acid material) by means of 3D printing according to example 2 of the present invention, the diagnostic denture completely reproducing the prepared personalized polished surface and the position guide of the artificial teeth arranged in the neutral zone;
FIG. 15 is a view showing an intraoral trial maxillomandibular diagnostic denture according to embodiment 2 of the present invention;
fig. 16 is a maxillary hemi-buccal denture completed by glue filling and injection molding according to example 2 of the present invention, showing a personalized maxillo-palatal morphology by pronunciation plastic molding, and dentitions of other personalized polished surface morphology and neutral zone arrangement;
fig. 17 shows a dental prosthesis for mandibular half mouth injection molded by filling with glue according to example 2 of the present invention, showing a personalized polished surface morphology and dentition with neutral zone alignment.
Detailed Description
Embodiments of the present invention will be described in detail with reference to the following examples, but those skilled in the art will understand that the following examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and that the specific conditions not specified in the examples are carried out according to conventional conditions or conditions suggested by the manufacturer, and that the reagents or equipment used are not specified by the manufacturer, and are all conventional products available through commercial purchase.
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example 1
The embodiment provides a formed maxillary half-mouth denture personalized palate picture and a method thereof, which comprise the following steps:
(1) A fine impression of the upper jaw of a patient was taken with an open individual tray and polyether silicone rubber, and the shape of both cheek sides was integrally molded by functional movements of "swing the lower jaw left and right", "stick up mouth", "horizontally massage the cheek portion".
(2) The polyether silicon rubber with the thickness of 3mm is placed in the back third of the palate side of the fine impression of the upper jaw and is placed in the mouth of a patient, the patient says that the 13 th sentence in the phonic table "gnaws the hard steamed bun" for 3 times (table 1), and the sounds of "k, g and ng" are simulated, so that the shape of the back third of the palate area can be integrally molded.
TABLE 1 pronunciation watch simulating tongue and palate contact
(3) The polyether silicon rubber with the thickness of 3mm is placed in the area of the upper two thirds of the palate area of the upper jaw fine impression, the polyether silicon rubber is placed in the mouth of a patient, the sound of s, z, sh, zh, l, t, d, ch, j, n, r and y in English is emitted sequentially through sentences 1 to 12 in a phonic table (table 1) which is described 3 times sequentially by the patient, the shape of the front two thirds of the palate can be integrally molded, and the handle of the upper front tooth area is removed after the integral molding.
(4) Placing polyether silicon rubber on the lip side area of the anterior teeth of the fine maxillary impression, ordering a patient to pucker the mouth and smile, integrally molding the lip side shape of the anterior teeth area, and visually forming position guidance of neutral zone tooth arrangement through functional movement and pronunciation.
(5) And scanning and 3D printing the obtained upper jaw fine impression to obtain the personalized palatal picture of the personalized forming upper jaw half-mouth denture.
Example 2
The embodiment provides a personalized complete denture, and the preparation method comprises the following steps:
(1) A fine impression of the patient's upper jaw was taken by open individual trays (by 3D printing of polylactic acid material) and polyether silicone rubber (3M) (fig. 1). While taking the fine impression, the morphology of the bilateral cheeks was reshaped by the functional movements of "swing jaw left and right", "pout up", "massage face and cheek horizontally" (fig. 3).
(2) A fine impression of the patient's lower jaw was taken through the polyether silicone rubber (fig. 2).
(3) The polyether silicone rubber with the thickness of 3mm is placed in the back third of the palatal side of the fine impression of the upper jaw and is placed in the mouth of a patient, the patient speaks the 13 th sentence 'gnawing hard steamed bun' in the phonic table for 3 times (table 1), and the sounds of 'k, g and ng' are simulated, so that the shape of the back third of the palatal area can be integrally molded (figure 3).
(4) The polyether silicone rubber (figure 4) with the thickness of 3mm is placed in the front two-thirds area of the palate area of the fine maxillary impression, the polyether silicone rubber is placed in the mouth of a patient, sentences 1 to 12 in a phonic chart (table 1) of 3 times are described in sequence by the patient, tones of's, z, sh, zh, l, t, d, ch, j, n, r and y' in English are sequentially emitted, the shape of the front two-thirds of the maxilla part can be integrally molded, and the handle of the upper front dental area is removed after the shaping (figure 5).
(5) Placing polyether silicon rubber on the lip side area of the anterior teeth of the fine impression of the upper jaw (figure 6), stiring a patient to pucker the mouth, smiling, integrally molding the lip side shape of the anterior teeth area (figure 7), and seeing that the position guidance of the neutral zone arranged teeth is formed through functional movement and pronunciation.
(6) By swinging the tongue left and right, the tongue is stretched to lick the hand placed in the lower anterior dental area, pucker the mouth and enable an operator to horizontally massage the cheek of the patient, so that the personalized polished surface shape of the lower jaw is shaped and the position guide of the neutral zone tooth arrangement is formed (fig. 8).
(7) Preparing a maxilla impression by a device for recording the maxilla relation (figure 9), then placing a silicon rubber impression material (light and medium body impression, 3M) on the edentulous alveolar ridge of the lower jaw after resetting in the mouth, advising a patient to bite to a proper vertical distance and a proper horizontal relation by a back occlusion method, and obtaining the maxilla relation impression of the patient (figure 10)
(8) The maxillary fine impression, the mandibular fine impression and the jaw relation impression were scanned (D900, 3 Shape) and matched (Geomagic Wrap,3D Systems), an STL file of the maxillary and mandibular fine impressions with jaw relation was acquired (fig. 11), and virtual tooth arrangement (Sviva FD Designer, shandong hotemamsoft) of the neutral zone was performed on this STL file (fig. 12).
(9) The diagnosis false tooth is printed by polylactic acid (PLA) in a 3D printing (Lingtong II, beijing Sinotech) mode (figures 13 and 14), so that the personalized form of pronunciation shaping is completely copied by the form of the palate side of the upper jaw diagnosis false tooth (figure 13), the diagnosis false tooth is put into a patient mouth for trying, the patient can clearly pronounce without obvious foreign body sensation, the upper jaw diagnosis false tooth and the lower jaw diagnosis false tooth are good in retention stability and stable in occlusion, and the patient is quite satisfactory to the appearance (figure 15).
(10) The complete denture of the upper jaw and the lower jaw is manufactured by filling glue and injection molding (figures 16 and 17).
After the patient tries on the final denture, the denture can clearly pronounce without obvious foreign body sensation, the denture fixing stability is good when the upper jaw and the lower jaw are used for diagnosing, the occlusion is stable, and the patient is very satisfied with the appearance.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A method for forming an individual palatal picture of a maxillary semi-denture, comprising:
taking a fine impression of the patient's upper jaw with the individual tray;
after polyether silicon rubber is placed on the rear side of a palate side polishing surface of an individual tray for preparing the upper jaw fine impression, the obtained upper jaw fine impression is reset in the oral cavity of a patient, and the patient is allowed to generate tones of ' k ', g and ng ' in English so as to integrally mould the shape of the rear third part of a palate area;
after the polyether silicon rubber is placed on the front side of the palate side polished surface of each tray for preparing the upper jaw fine impression, the obtained upper jaw fine impression is reset in the oral cavity of a patient, and the patient is enabled to generate sounds of's, z, sh, zh, l, t, d, ch, j, n, r and y' in English in sequence so as to integrally mould the form of the first two thirds of the palate area;
and then, the lip side shape of the upper anterior tooth area of the upper jaw fine impression is reshaped, and after the position guidance of the neutral tooth arrangement is finished at the same time, scanning and printing are carried out.
2. The method of forming a maxillary semi-denture personalized palate diagram according to claim 1, wherein the method of reshaping the labial form of the upper anterior dental area of the fine maxillary impression comprises:
will the back is got rid of to the handle of the meticulous impression of upper jaw, places polyether silicon rubber in the anterior teeth lip side district, resets the meticulous impression of upper jaw that obtains in patient's oral cavity, lets the patient pucker the mouth, smile to the shape of the anterior teeth district lip side is moulded in order.
3. The method of forming a maxillary hemi-denture personalized palate diagram of claim 1, wherein the "k, g and ng" tones in English are issued by letting the patient say "gnaw a hard steamed bun" during the plastic-making of the posterior third of the palatal side polished surface of the individual tray from which the maxillary fine impression was taken.
4. The method of forming a maxillary hemi-denture personalized palate diagram according to claim 1, wherein in the process of plastic-forming the front two thirds of the polished surface of the palatal side of the individual tray for making the fine impression of the upper jaw, simulating the contact of the tongue with the upper palate by letting the patient speak the following sentences in sequence, giving in sequence "s, z, sh, zh, l, t, d, ch, j, n, r and y" tones in english:
"four hundred fourteen";
"the z-pronunciation of the English letter is z";
"a sleeping mat";
"one monk \30344;" Yifo door ";
"old plum eating plum";
'Taifeng Tangyuan';
"I have acquired a moral model title";
"soldier riding on horse";
"borrow your umbrella by one";
"milk drink milk";
"cake is soft";
"grandpa drinks coconut juice".
5. The method of forming an maxillary semi-denture personalized palate image according to claim 1, wherein the polyether silicone rubber is placed in a posterior 1/3 region of the individual tray during the plastic-making of the morphology of the posterior part of the palatal polishing surface region of the individual tray of the fine impression of the upper jaw;
in the process of integrally molding the front part of the palatal polishing surface area of the individual tray from which the fine impression of the upper jaw is to be made, the polyether silicone rubber is placed on the front 2/3 area of the individual tray.
6. The method of forming a maxillary hemi-denture personalized palate diagram of claim 1, wherein the fine maxillary impression is made by open individual trays and polyether silicone rubber.
7. The method for forming an maxillary hemi-denture personalized palate image according to claim 6, wherein in the making of the upper maxillary fine impression, the morphology of both cheek sides is reshaped by letting the patient swing the lower jaw left and right, pout up mouth and doctor massage the cheek horizontally.
8. A shaped maxillary hemi-denture personalized palatal map made according to the method of any one of claims 1-7.
9. A personalized complete denture, comprising the shaped maxillary hemi denture personalized palatal map of claim 8.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116439859A (en) * | 2023-03-09 | 2023-07-18 | 广东健齿生物科技有限公司 | Data acquisition method and system for toothless jaw guide plate planting |
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