MXPA97000367A - Ortodonc device - Google Patents
Ortodonc deviceInfo
- Publication number
- MXPA97000367A MXPA97000367A MXPA/A/1997/000367A MX9700367A MXPA97000367A MX PA97000367 A MXPA97000367 A MX PA97000367A MX 9700367 A MX9700367 A MX 9700367A MX PA97000367 A MXPA97000367 A MX PA97000367A
- Authority
- MX
- Mexico
- Prior art keywords
- orthodontic
- bar
- band
- orthodontic band
- spring
- Prior art date
Links
Abstract
An orthodontic appliance that has a medium arc expander placed between two front orthodontic bands to perform the development of the integrated arc length and bilateral telescopic assemblies of bar and tube loaded with spring for molar distalization and further development in the arc length in the mandibular or maxillary bicuspid area. In one embodiment of the invention, the middle arch expander is a screw cric complex connecting a bilateral palatal plate. Each side of the palatal plate is attached to a canine and a molar with an orthodontic band. In another embodiment of the apparatus, a molded palatal plate is divided into four sections, two front sections and two rear sections. Each front section is attached to a canine tooth and each rear section is attached to a mule with an orthodontic band. In another embodiment of the apparatus, a molded palatal plate is divided into four sections, two front sections and two rear sections. Each front section is attached to a canine tooth and each rear section is joined to a molar with an orthodontic band. The middle arc expander is positioned between the two front sections and the two rear sections are joined to their respective front section by means of a telescopic assembly of bars and tube loaded with resor
Description
DEVICE QRTODQNCICQ DESCRIPTION OF THE INVENTION BACKGROUND ART The invention relates gelly to an orthodontic appliance, more specifically to a fixed mandibular arch and maxillary arch expanders. Orthodontists who treat children frequently require space for mandibular incisors that have not yet sprouted and increase the intercanine distance for narrow arch shapes as well as distalize the mandibular first molars so that there is a total increase in arch length in the mandible. lower dental arch from the first molar to the first molar. In addition, the orthodontist may also want to expand the palate accordingly. Frequently there is a need to extract permanent teeth due to crowding. Mandibular and maxillary arch expanders are known in the art. However, these mandibular expanders have a rather voluminous design, prevent mobility of the tongue, are uncomfortable to use and interfere with proper oral hygiene. Those devices must have a design substances to resist the torsion and lever forces during chewing. Summary of the Invention Among the objects of the present invention to provide a mandibular arch expander for developing narrowly formed mandibular or maxillary arches in growing children. Another object of the invention is to provide a mandibular or maxillary arch expander that prevents the need for removal of permanent teeth due to crowding. It is another object of the invention to provide a maxillary arch expander to expand the maxillary arch and palate in growing children. Another object of the present invention is to provide a mandibular or maxillary expander that can be preset to the desired tension before cementing the apparatus in place. Another object of the present invention is to provide a maxillary arch expander that can be easily adjusted after cementing it in place. Another object of the present invention is to provide a mandibular or maxillary expander that has a slim, comfortable design and that allows good oral hygiene. Still another object of the present invention is to provide a mandibular or maxillary arch expander that resists torsion or lever forces against the teeth during mastication. Another object of the present invention is to provide a mandibular or maxillary arch expander that has no components supported on the tissue and that does not invade the gums and. that do not impede the mobility of the language. In accordance with the principles of the present invention, a mandibular or maxillary expander is provided having a middle arch screw cric complex for the development of the intercanine arch length and a bilaterally loaded telescopic bar with springs and tube assemblies for the molar distalization and an additional development of the length of the arch in the mandibular bicuspid areas. The device has four orthodontic bands, one at each corattached to the selected teeth to stabilize and fix the device in place. The device is fixed to the lower arch by means of first orthodontic bands and the first deciduous molars or milk with bicuspid bands. The middle arch screw cric complex is placed between the front bands. The lateral development of the mandibular arch is the result of the periodic activation of the middle arch screw. A telescopic bar loaded with a spring and a tube assembly extends between the front band and the rear band on each side. The spring-loaded telescopic bar and tube design allow the orthodontist to pre-adjust the desired tension by measuring spring compression. The telescopic bar loaded with the spring and the tubular assembly increases the length of the medial distal arch. There are occlusal breaks in each tube to provide extra support to the telescopic bar and tubular assembly. In an alternative embodiment the middle arc screw cric complex is replaced with a third telescopic bar loaded with screw and a tube assembly extending between the two front strips. The third spring-loaded telescopic bar and the tubular assembly have a predetermined spring tension. A novel maxillary palatal expander employing a pair of bars loaded with springs and tubes is provided for use in the mandibular arch expander. In other modalities, the orthodontic bands are connected to several divided segments of a molded palatal plate and the screw jack or telescopic bar loaded with springs and the tubular assemblies are placed between the palatal plate segments. The mandibular apparatus is used to gain space for the unburned mandibular incisors and increase the intercanine distance to form narrow arches and to distalize the mandibular first molars in such a way that a total increase in arc length is obtained in the lower dental arch from the first molar to the first polar. The device is used in conjunction with the new palatal expander when the maxilla is being developed and the mandibular arch requires expansion to maintain coordinated arch shapes. The device allows simultaneous alignment of the mandibular incisors by allowing glued supports to be added and arch wires to be placed during expansion. Madibular devices are fully supported on the teeth and due to the design of four bands, four corners, are stable and re torsion. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of the orthodontic appliance of the present invention attached to a mandibular arch mold.; Figure 2 is a front plane of the orthodontic appliance of the present invention attached to the mandibular arch; Figure 3 is a background plane of the orthodontic appliance of the present invention; Figure 4 is a top plane of the orthodontic appliance of the present invention; Figure 5 is another background plane of the orthodontic appliance-with the tubular assembly loaded with disassembled left spring; Figure 6 is another background plane of the orthodontic appliance, with the tubular assembly loaded with disassembled right spring; Figure 7 is a perspective view of an alternative embodiment of the orthodontic appliance of the present invention attached to a dental mold;
Figure 8 is a plan view of the orthodontic appliance shown in Figure 7; Figure 9 is an exploded view; Figure 10 is a bottom plane of a maxillary palatal expander of the present invention shown attached to a maxillary arch mold to demonstrate conformation; and Figure 11 is another background plane of the disassembled maxillary palatal expander; Figure 12 is a perspective view of another embodiment of an orthodontic appliance of the present invention attached to a mold of the maxillary arch; Figure 13 is another perspective view of the orthodontic appliance of Figure 12; Figure 14 is a perspective view of another embodiment of an orthodontic appliance of the present invention attached to a mold of the maxillary arch; Figure 15 is another perspective view of the orthodontic appliance of Figure 14; Figure 16 is a perspective view of another embodiment of an orthodontic appliance of the present invention attached to a mold of the maxillary arch; and Figure 17 is another perspective view of the orthodontic appliance of Figure 16. Correspondingly the reference figures indicate corresponding elements in all the drawings.
DESCRIPTION OF THE PREFERRED EMBODIMENT The mandibular expander apparatus of the present invention is generally indicated in the drawings by reference numeral 1. The apparatus 1 is shown in Figure 1 attached to a conventional dental mold M of the lower teeth. The apparatus 1 is shown in Figure 2, attached to the T of the lower teeth of a human. Apparatus 1 has a pair of orthodontic strips spaced opposite 3 and 5. Strips 3 and 5 are generally conventional bicuspid bands and are adapted to be attached to the first primary mandibular molars. The band 3 has a spine 6 and the band 5 has a spine 7, both placed on the lingual side of the bands. The respective spines are formed integrally in the respective bands to provide a metal body for joining other elements that will be described later. The bands 3 and 5 are interconnected by means of a screw cricule complex 8. The first block has three perforations 13, 15 and 17 formed laterally and the second metal block 11 has three perforations 13 ', 15' and 17 'formed sideways. The perforations 13, 15 and are in a substantial horizontal alignment with the perforations 13 ', 15' and 17 '. The middle perforations 15 and 15 'are threaded. A first alignment pin 19 extends through the perforation 13 and a second alignment pin 21 extends through the perforation 17. The respective alignment pins are slightly smaller in relation to the respective perforations in such a way that the blocks 9 and 11 can slide on the pins as will be described later. A threaded screw 23 is screwed into the perforations 15 and 15 '. It will be appreciated that the threaded screw 23 has opposite threaded ends. This means that the end of the screw that engages with the bore 15 is screwed opposite the end that is screwed into the threaded bore 15 '. At least one hole 25 formed through the middle screw 23 between the opposite threaded ends. The hole 25 results in the insertion of a small tool to rotate the screw 23. Therefore, when the screw 23 is rotated in one direction, the blocks 9 and 11 move away from each other and when the screw 23 is rotated in the opposite direction blocks 9 and 11 are attracted against each other. The blocks 9 and 11 slide on alignment pins 13 and 17 and the alignment pins serve to stabilize the screw jack complex. There is a first curved arm 27 that extends between the spine 6 and the block 9 and a second curved arm 29 that extends between the spine 7 and the block 11. The curved arms can be of any length and curvature suitable for coupling in shape adequate on the patient's teeth. The mold M is made by conventional methods.
The mold M is made following conventional procedures and the arms 27 and 29 are made with the appropriate length and curvature. The arms 27 and 29 are then welded to the suitable spine and to the screw jack complex. There is a first bar 31 attached to the spine 6. The bar
3 can be a small egg tube, to reduce the weight, or it can be a solid bar. A second bar 33 is attached to the spine 7. As mentioned above, the exact position at the respective spines where the bars meet and the angle at which the bar extends from the spine depends on the patient and the patient's needs. . It will be appreciated that the arm 27 and the bar 31 may be an integral part arched approximately to form the arm and the bar or the arm and the bar may be separate pieces. The same is true for the arm 29 and the bar 33. The apparatus 1 has a pair of separate back orthodontic bands 40 and 42. The bands 40 and 42 are generally molar bands and when used are attached to permanent first molars. The bands 40 have an integral spine 44 and the band 42 has an integral spine 46, the ridges being placed on the lingual sides of the bands. There is a first new tube 48 attached to the spine 44 and a second hollow tube 50 attached to the spine 46. Each hollow tube has an internal bore dimensioned to give rise to the sliding insertion of a bar, as will be explained in detail below.
There is a first short wire 52 perpendicular to the tube 48 and a second short wire 54 perpendicular to the tube 50.
The respective short wires extend buccally and serve as occlusal supports and are welded in respective tubs in a position corresponding to the lingual occlusal notch of the second bilaterally expired molars to provide extra support and stability to the tubes. The front pair of orthodontic bands are connected to the back pair of orthodontic bands to promote molar distalization and further development of the arc length by means of a pair of spring loaded telescopic rods and tubular assemblies, as will now be described in detail. The bar 20 slidably engages in the tube 48.
The bar 31 slidably engages in the tube 51. There is a first spiral spring 55 placed around the bar 31 and fixed between the spine 6 and the end of the tube 48. Similarly, a second spiral spring 57 is placed around the bar 33 and is fixed between the spine 7 and the end of the tube 51.
The coil springs are dimensioned such that they enter the ends of the tubes and do not slip in the tubes. The respective coil springs, therefore, remove the front bands from the tubes. The respective coil springs have a predetermined tension. The predetermined spring tension is selected by the orthodontist to effect the development of the appropriate mesial distal arch length in the bicuspid area. An alternative embodiment of the orthodontic appliance of the present invention is indicated in Figures 7-9 by reference numeral 60. The apparatus 60 has a pair of separate front orthodontic bands 62 and 64. The band 62 and the band 64 have loins 66 and 68 formed integrally there. The loins are placed on the lingual sides of the bands. There is a hollow tube 70 extending from the spine 68. The angles at which the tube 70 and the bar 72 extend from the respective spines depend on the shape of the patient's mouth. The bar 72 slidably engages in the tube 70. There is a coil spring 74 around the bar 72 and fixed between the spine 68 and the end of the tube 70. The spring 74 is sized to engage the end of the tube and does not slip on the tube. Therefore, the spring 74 removes the band 62 from the band 64. The spring 74 has a predetermined force exerted between the molars to extend the width of the anterior canine. There is a first side bar 76 attached to the spine 66 and a second side bar 78 attached to the spine 68. There is a first spiral spring 79 about the bar 76 or a second spiral spring 81 about the bar 78., that embellishes the respective loins. The respective coil springs have a predetermined tension, as determined by the orthodontists to obtain the appropriate development of the length of the mesial distal arch. It will be appreciated that the bar 72 and the bar 78 may be an integral L-shaped wire appropriately bent and welded to the spine 68. The angles at which the respective side bars extend from the respective spines depends on the patient's correction needs. . The apparatus 60 has a pair of separate back orthodontic bands 81 and 82. The bands 81 and 82 have integral spines 84 and 86 respectively. There is a first hollow tube 88 attached to the spine 86 and a second hollow tube 90 attached to the spine 86. Each hollow tube has an internal bore with a size such as to allow the sliding insertion of a bar, as previously explained. The hollow tubes are dimensioned to allow the coil springs to be inlaid at the ends without sliding on the tube as previously described. There is a first short wire 92 perpendicular to the tube 88 and a second short wire perpendicular to the tube 90. The respective short wires serve as occlusal supports and are welded in respective tubes in positions corresponding to the lingual occlusal notch of the second bilaterally bilateral molars for provide extra support and stability to the tubes. The front pair of orthodontic bands are connected to the back pair of orthodontic bands in the same manner as described in reference to apparatus 1. The maxillary palatal expander of the present invention is generally indicated by reference numeral 100 in Figures 10 and 11. The expander 100 is shown in Figure 10, attached to a conventional dental mold M of the upper teeth. The apparatus 100 has a pair of front orthodontic bands separated between its 103 and 105. The bands 103 and 105 can be conventional bicuspid bands adapted to join the maxillary molars. The band 103 has a spine 106 and a band 105 has a spine 107 both placed on the lingual side of the bands. The respective spines are formed integrally in the respective bands. There is an integral curved member or hook 109 on the spine 106 and an integral curved member or hook 111 on the spine 107. The apparatus 100 has a pair of separate rear orthodontic bands 113 and 115. The bands 113 have an integral spine 117 and the band 115 has an integral spine 119, both on the lingual side of the respective bands. The spine 117 has an integral curved member or hook 121 and the spine 119 has an integral curved member or hook 123. The front orthodontic bands are connected to the rear orthodontic bands in the following manner: a first bar 125 extends between the loins 106 and 117. A second bar 127 extends between the loins 107 and 119 are embedded in a plastic plate 130. The hook 111 and 123 are embedded in a plastic plate 132. The respective plastic plates are molded to fit the palate of the patient. Each plate with its associated front and rear bands consists of half the device. The halves of the device are pushed against each other to extend the maxillary arch. There is a substantially U-shaped bar 135 embedded in the plate 130. The legs 136 and 137 of the bar 135 extend outwards and at substantially right angles to the plastic plate. There are spiral springs 138 and 140 around the legs 136 and 37 respectively. There is a first short tube 142 and a second short tube 144 embedded in plate 132. The tubes extend outward from the palatal plate at substantially right angles with reference to the palatal plate. The tubes 142 and 144 are in an alignment complementary to the legs 136 and 137. The tubes 142 and 144 are slightly oversized in such a way that the legs 136 and 137 can slide in the tubes. The springs 138 and 140 are coupled to the ends of the tubes and exert a tension force to separate the halves of the apparatus. The proper tension can be exercised when selecting springs with the appropriate tension. Another embodiment of the orthodontic appliance of the present invention is generally indicated by reference numeral 150 in Figures 12 and 13. The apparatus 150 includes a pair of separate front orthodontic strips 152 and 254.
The bands 152 and 154 include spines 156, 58 integrally formed therein. The loins are placed on the lingual side of the bands. There is a connector wire 159 extending between the ridges connecting the band 152 and the band 154. It will be appreciated that the length of the wire 159 is determined by the width of the mandibular arch A. The wire 159 includes a bend or elbow 160. A wire 159 can be embedded in a piece of plastic in a piece of plastic 162 or acrylic button or other material that fits in the arc A for anchoring. A hollow tube 164 extending from the spine 156 and a hollow tube 166 extending from the spine 158. The angles at which the respective tubes extend from the respective spines depends on the morphology of the arc A. The apparatus 150 also includes a pair of separate back orthodontic bands 170 and 172. The band 170 includes an integral spine 174 and the band 172 includes an integral spine 176. A bar 178 is integrally connected to the spine 174 and slidably engaged to the tube 164. There is a screw spiral 180 about the bar 178 and fixed between the spine 174 and the end of the tube 164. The spring 180 is dimensioned to engage the end of the tube 164 and does not slide on the tube and is constructed of nickel titanium to give a low force keep going. Thus the spring 180 pushes the band 170 away from the band 1521. The spring 180 has a predetermined force exerted between the teeth to distalize the maxillary molars. Figures 14 and 15 illustrate another embodiment of an orthodontic appliance of the present invention generally indicated by reference numeral 190. The appliance 190 includes a molded palatal plate generally indicated with the reference numeral 192. The palatal plate 192 is molded from an appropriate resin material u takes the form of and conforms to the palate of the patient. The palatal plate 192 is divided into four quadrants or sections 192A, 192B, 192C and 192D. It will be appreciated that the palatal plate 192 is molded and constructed in one piece and then debited in the four sections 192A, 192B, 192C and 192D by appropriate means. Section 192A includes an orthodontic band 194 operable to an incisor or canine or the like. Similarly, the section 192B includes a similar orthodontic band 196. The orthodontic bands 192A and 192B each include an integral wire or hook 198 which is molded in the palatal plate to fix the orthodontic band in place. Correspondingly, sections 192C and 192D include orthodontic bands 202 and 204 respectively. Orthodontic bands 202 and 204 include wires or hooks 206 that are molded in the palatal plate to fix the orthodontic band in place. The orthodontic bands are placed to grip the molars. The section 192 A is connected to the section 192B by means of a screw crusher complex 208, which operates with the previously described screw cric complexes. In addition, sections 192A and 192 are connected by means of a telescopic rod and tube assembly 209. The telescopic rod and tube assembly 209 includes a tub 210 molded into a distal portion 212 of section 192A. Similarly, the section 192B is connected to the section 192D with the telescopic bar and tube assembly 213. The bar and tube telescopic assembly 213 includes a tube 214 molded in a distal portion 216 of the section 192B. The section 192C has a bar 218 molded in a side section 220. The bar 218 has a cross section 219 to anchor it in place within the palatal plate section and to prevent it from piercing the section under pressure. There is a spiral spring 222, preferably constructed of nickel titanium having a predetermined tension, around the bar 218. The bar 218 sits in the tube 210. The section 192D likewise has a bar 224 molded in a side section 226. The bar 224 has a cross section 225 to anchor it in place within the palatal plate section and to prevent it from piercing the palatal section under pressure. There is a spiral spring 228, which has a predetermined tension around the bar 224. The bar 224 sits in the tube 241. The apparatus 190 can exert both elongation force and broadening of the arc. The screw jaw complex 280 can be manipulated to exert the appropriate force on the plate sections 192 and 192A to separate them and thus enlarge the arc. In addition, the telescopic bar and tube assembly 209 can exert an elongation force between the sections 192A and 192C with the telescopic bar and tube assembly 213 can exert an appropriate elongation force between the sections 192B and 192D. Another alternative embodiment of the orthodontic appliance of the present invention is generally indicated with the reference number 250 includes a molded palatal plate 252. The palatal plate is appropriately molded and then divided into two halves 252A and 252B. The two halves are movably joined by means of a screw jack complex 253. It will be appreciated that the screw jack complex 253 can be replaced by a telescopic bar and tube assembly without departing from the scope of the invention. The first half 252 A includes a first front orthodontic band 254 for joining an incisor or canine tooth. The orthodontic band 254 includes a loin 256 integrally formed. There is a hollow tube 258 extending from the spine 256. There is a first wire hook 260 adjacent the spine 256 and a second wire hook 262 adjacent to the hollow tube which is molded in the palatal plate to fix the orthodontic band and the tube to the palatal plate. An occlusal rest 264 is integrally formed at the distal end of the tube 258 on the buccal side. The apparatus 250 includes a first orthodontic band 266 for joining the rear molar. The back orthodontic band 266 includes an integral spine 268. A bar 270 is integrally attached to the spine 268 and positioned such that it slidably engages the hollow tube 258. There is a spiral spring 272 having a predetermined tension around the rod 270. The second half 252B includes a first front orthodontic band 274 for joining an incisor or canine tooth. The orthodontic band 274 includes a spine 276 integrally formed. There is a hollow tube 278 extending from the spine 276. There is a first wire hook 280 adjacent to the spine 276 and a second wire hook 282 adjacent to the hollow tube which are molded into the palatal plate to fix the orthodontic band and the tube to the palatal plate. An occlusal rest 284 is integrally formed at the distal end of the tube 268 on the buccal side. Apparatus 250 also includes a second rear orthodontic band 286 for attachment to a molar. The back orthodontic band 286 includes an integral spine 288. A bar 290 is integrally attached to the spine 288 and arranged to latch hollow tube 278. There is a spiral spring 292 having a predetermined tension around the bar 290. The apparatus 250 can Use both to widen and lengthen the maxillary arch. For example when the apparatus 250 is attached to the patient's teeth, the screw jaw complex 258 can be manipulated to separate the halves of the plate 252A and 258B, thus widening the arc. In addition, the coil springs 272, 292 function to separate the respective back orthodontic bands from the corresponding front orthodontic bands and thus exerting elongation forces on the maxillary arch. It will be appreciated that different changes and modifications may be made to the orthodontic appliance of the present invention without departing from the scope of the appended claims. Therefore, the above description and the accompanying drawings are intended to be illustrative only and should not be constructed in a limiting sense.
Claims (24)
- CLAIMS 1.- A fixed maxillary arch expander comprising: a first front orthodontic band and a second front orthodontic band; an expansion wire between the first and second orthodontic bands; a first back orthodontic band; a first telescopic bar assembly and spring loaded tube connecting the first front orthodontic band to the first rear orthodontic band a second back orthodontic band a second telescopic bar assembly and spring loaded tube connecting the second front orthodontic band to the second rear orthodontic band; in which the means of expansion between the first and second front orthodontic bands perform lateral expansion of the maxillary arch and the spring loaded bar and tube telescopic assemblies effect the expansion of the length of the distal arch.
- 2. The fixed maxillary arch expander according to claim 1 further comprising a first occlusal rest in the first telescopic rod and tube assembly and a second occlusal rest in the second telescopic rod and tube assembly.
- 3. - An orthodontic device for expanding the maxillary arch comprising: a first front orthodontic band; a first back orthodontic band; a first telescopic bar assembly and spring loaded tube connecting the first front orthodontic band to the first rear orthodontic band; a first palatal plate connected to the first front orthodontic band; a second front orthodontic band; a second back orthodontic band; a second telescopic bar assembly and spring loaded tube connecting the second front orthodontic band to the second rear orthodontic band; a second palatal plate connected to the second front orthodontic band; and a screw cric complex between the first palatal plate and the palate.
- 4. The orthodontic appliance according to claim 3 in which the first palatal plate extends a length between the first front orthodontic band and the first rear orthodontic band and the second palatal plate extends a length between the second front orthodontic band and the second back orthodontic band.
- 5. The orthodontic appliance according to claim 4, wherein a linear relationship between the first and second palatal plates can be adjusted by means of the screw jaw complex.
- 6. An orthodontic appliance comprising: a first front plate having a first front orthodontic band; a second front plate having a second front orthodontic band; a screw jack assembly between the first and second front palatal plates; a first back palatal plate having a first back orthodontic band; a second back palatal plate having a second back orthodontic band; a first telescopic bar assembly and spring loaded tube connecting the first front palatal plate to the first posterior palatal plate; and a second spring-loaded bar and tube telescopic assembly connecting the second front palatal plate to the second posterior palatal plate.
- 7. The orthodontic appliance according to claim 6, in which the palatal plates are formed as a continuous palatal plate molded and then separated in the respective front and rear palatal plates.
- 8. An orthodontic device for expanding the maxillary arch comprising: a first front orthodontic band; a second front orthodontic band; a bar and tube assembly loaded with spring between the first and second orthodontic bands; a first back orthodontic band; a spring-loaded bar and tube assembly connecting the first front orthodontic band and the first rear orthodontic band; a second back orthodontic band; and a second bar and tube assembly loaded with spring connecting the second front orthodontic band and the second rear orthodontic bar.
- 9. The orthodontic appliance according to claim 8, in which the bar and spring-loaded tube assembly contains a spiral spring with an appropriate pre-tension.
- 10. The orthodontic appliance according to claim 8 having a first occlusal rest in the first bar and tube assembly and a second occlusal rest in the second bar and tube assembly.
- 11. The orthodontic appliance according to claim 3 further including expansion means provided between the first palatal plate and the second palatal plate., the expansion means include springs for 2 to continuously push the palatal plates so that they separate.
- 12. An orthodontic device for expanding the maxillary arch comprising: a first front orthodontic band, a first back orthodontic band, and a first palatal plate connecting the first front and rear orthodontic bands together; a second front orthodontic band, a second rear orthodontic band, and a second palatal plate connecting the second front and rear orthodontic bands together; a screw cric complex between the first palatal plate and the second palatal plate to push the plates apart to provide arch expansion.
- 13. An orthodontic device for expanding the maxillary arch comprising: a first front orthodontic band; a second front orthodontic band, bar means connecting between the first and second orthodontic bands; a first back orthodontic band; a spring loaded bar and tube assembly connecting the first front orthodontic band and the first rear orthodontic band; a second back orthodontic band; and a spring loaded bar and tube assembly connecting the second forward orthodontic bar and the second rear orthodontic band.
- 14. The orthodontic appliance according to claim 13 and including palatal plate means that connect between the first and second orthodontic bands.
- 15. A fixed mandibular arch expander comprising: a first front orthodontic band and a second front orthodontic band; expansion means between the first and second orthodontic band; a first back orthodontic band; a first spring loaded bar and tube assembly connecting the first front orthodontic band to the first rear orthodontic band, a second back orthodontic bar; a second spring-loaded bar and tube assembly connecting the second front orthodontic band to the second rear orthodontic band, in which the expansion means between the first and second front orthodontic bands effect the expansion of the lateral mandibular arch and the joint assemblies; bar and tube loaded with spring and second carry out the expansion of the length of the distal arch.
- 16. The fixed mandibular arch expander according to claim 15 wherein the expansion means is an expansion screw complex.
- 17. The fixed mandibular arch expander according to claim 15, wherein the expansion means is a spring-loaded bar and tube assembly.
- 18. The fixed mandibular arch expander according to claim 17, wherein the spring-loaded bar and tube assembly further comprises a spiral spring with a preset tension.
- 19. The fixed mandibular arch expander according to claim 15 further comprising a first occlusal rest in the first bar and tube assembly and a second occlusal rest in the second bar and tube assembly.
- 20. An orthodontic device for expanding the mandibular arch comprising: a first front orthodontic band; a second front band; an expansion screw complex between the first and second orthodontic bands; a first back orthodontic band; a first bar and tube assembly loaded with spring between the first front orthodontic band and the first rear orthodontic band; a second back orthodontic band; and a second bar and tube assembly loaded with spring between the second front orthodontic band and the second rear orthodontic band.
- 21. An orthodontic device for expanding the mandibular arch comprising: a first front orthodontic band; a second front orthodontic band; a bar and tube assembly loaded with spring between the first and second orthodontic bands; a first back orthodontic band; a second back bar; a spring loaded bar and tube assembly connecting the first front and rear orthodontic bands; a spring-loaded bar and tube assembly connecting the second front and rear orthodontic bands.
- 22. The orthodontic appliance according to claim 21, wherein each of the bar and screw loaded tube assemblies contains a spiral spring with an appropriate pre-adjusted tension.
- 23. The orthodontic appliance according to claim 21 having a first occlusal rest in the first bar and tube assembly and a second occlusal rest in the second bar and tube assembly.
- 24.- An apparatus for expanding the maxillary arch comprising: a first front orthodontic band; a first back orthodontic band; a bar between the first front and back orthodontic bands; a first palatal plate between the first front and rear bands; a generally U-shaped bar within the palatal plate having a pair of spaced legs extending from the first palatal plate at substantially right angles to the palatal plate. first and second spiral springs on the legs; a second front orthodontic band; a second back orthodontic band; a bar between the second front and back orthodontic bands; a second palatal plate between the first front and rear bands; a pair of tubes within the second palatal plate and extending from the second palatal plate forming substantially right angles to the second palatal plate and in complementary alignment with the pair of separate legs, the legs being inserted into the tubes and the coil springs first and second separate the palatal plates.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US08/688,110 US5769631A (en) | 1995-09-11 | 1996-07-27 | Orthodontic device |
US08688110 | 1996-07-29 |
Publications (2)
Publication Number | Publication Date |
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MXPA97000367A true MXPA97000367A (en) | 1998-04-01 |
MX9700367A MX9700367A (en) | 1998-04-30 |
Family
ID=24763161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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MX9700367A MX9700367A (en) | 1996-07-27 | 1997-01-13 | Orthodontic device. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5769631A (en) |
JP (1) | JP3933744B2 (en) |
AU (1) | AU723417B2 (en) |
BR (1) | BR9700853A (en) |
CA (1) | CA2194643C (en) |
DE (1) | DE19712791B4 (en) |
FR (3) | FR2752155B1 (en) |
GB (1) | GB2315677B (en) |
MX (1) | MX9700367A (en) |
NL (1) | NL1006622C2 (en) |
Families Citing this family (102)
Publication number | Priority date | Publication date | Assignee | Title |
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IT243536Y1 (en) | 1997-10-15 | 2002-03-05 | Micerium Srl | ORTHODONTIC APPARATUS FOR EXPANSION AND ORTHODONTIC AND ORTHOPEDIC CONTRACTION OF THE UPPER JAW. |
US5919042A (en) * | 1998-04-23 | 1999-07-06 | Williams; Michael O. | Mandibular and maxillary arch expander and jaw repositioner |
US6877982B2 (en) * | 1998-04-23 | 2005-04-12 | Michael O. Williams | Mandibular and maxillary arch expander having polygonal or ovoid rod and tube expanding elements |
US6719557B1 (en) | 1998-04-23 | 2004-04-13 | Michael O. Williams | Orthodontic appliance contraction connector |
US6241517B1 (en) | 1998-04-23 | 2001-06-05 | Michael O. Williams | Mandibular and maxillary arch expander |
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1996
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- 1996-12-06 GB GB9625472A patent/GB2315677B/en not_active Expired - Fee Related
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1997
- 1997-01-08 CA CA002194643A patent/CA2194643C/en not_active Expired - Fee Related
- 1997-01-13 MX MX9700367A patent/MX9700367A/en not_active IP Right Cessation
- 1997-02-04 BR BR9700853A patent/BR9700853A/en not_active IP Right Cessation
- 1997-03-06 JP JP6750197A patent/JP3933744B2/en not_active Expired - Fee Related
- 1997-03-20 FR FR9703399A patent/FR2752155B1/en not_active Expired - Fee Related
- 1997-03-25 AU AU16533/97A patent/AU723417B2/en not_active Ceased
- 1997-03-26 DE DE19712791A patent/DE19712791B4/en not_active Expired - Fee Related
- 1997-07-18 NL NL1006622A patent/NL1006622C2/en not_active IP Right Cessation
-
1999
- 1999-08-10 FR FR9910364A patent/FR2780632B1/en not_active Expired - Fee Related
- 1999-08-10 FR FR9910365A patent/FR2780633B1/en not_active Expired - Fee Related
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