WO2003045267A1 - Method for the enhancement of orthodontic treatments - Google Patents

Method for the enhancement of orthodontic treatments Download PDF

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Publication number
WO2003045267A1
WO2003045267A1 PCT/US2002/031237 US0231237W WO03045267A1 WO 2003045267 A1 WO2003045267 A1 WO 2003045267A1 US 0231237 W US0231237 W US 0231237W WO 03045267 A1 WO03045267 A1 WO 03045267A1
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Prior art keywords
midline
crowding
space
created
data
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PCT/US2002/031237
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English (en)
French (fr)
Inventor
Richard P. Mclaughlin
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3M Innovative Properties Co
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3M Innovative Properties Co
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Priority to DE60217396T priority Critical patent/DE60217396T2/de
Priority to JP2003546774A priority patent/JP2005510290A/ja
Priority to EP02766443A priority patent/EP1450721B1/en
Priority to AU2002330179A priority patent/AU2002330179A1/en
Publication of WO2003045267A1 publication Critical patent/WO2003045267A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/14—Brackets; Fixing brackets to teeth
    • A61C7/146—Positioning or placement of brackets; Tools therefor
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
    • G16H10/60—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/40—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture

Definitions

  • the present invention relates to a method which is useful in orthodontically treating patients.
  • Orthodontics is a branch of dentistry that involves the movement of malpositioned teeth to orthodontically correct positions.
  • X- rays and photographs of the patient's teeth and jaw structure are usually taken.
  • a mold of the patient's teeth is typically made. This mold along with the X-rays and photographs provide a model of the positions of the patient's teeth and dental arches prior to treatment.
  • the orthodontist also frequently relies on a post treatment model of the desired positions of the patient's teeth and dental arches.
  • This post-treatment model has typically been a mental model formulated in the mind of the orthodontist based on the orthodontist's experience and skill.
  • Cephalometric analyses are also an important part of orthodontic diagnosis and treatment planning. Most of these cephalometric analyses measure maxillary (upper jaw) and mandibular (lower jaw) skeletal relationships in the vertical and horizontal planes, as well as the positions and angulations of the incisors. Few cephalometric analyses provide information about the direction and amount of dental movements required in the maxillary and mandibular arches.
  • FIG. 1 The charts shown in Figures 1, 2, and 3 have been used in the past to provide some of this additional information.
  • Figures 4, 5, and 6 show these charts with an exemplary set of patient data.
  • the chart of Figure 1 is used to record the patient's initial midline and first molar relationships on the right and left sides.
  • the exemplary data in Figure 4 indicate that the upper dental midline of the patient is symmetrical and that the lower dental midline deviates from the upper dental midline 1 mm to the right.
  • the molar relationship data of Figure 4 indicate a 4 mm Class II deviation between the upper and lower first molars of the patient on the right side and a 3.5 mm Class II deviation between the upper and lower first molars of the patient on the left side.
  • the chart of Figure 2 is used to record the lower arch discrepancy. Four primary arch factors are used. The space required for relief of crowding between the canine and the midline (3x3) and the space required for relief of crowding between the first molar to the midline (6x6) are recorded for each side, right and left. The space required to correct protrusion or intrusion of the lower incisors is also recorded as is the space required to level the curve of Spee. The space required for correction of the midline is further recorded. Finally, these space requirements are totaled.
  • the lower arch has only 1 mm of crowding on the left side, all of which is mesial to the lower left canine.
  • the chart in Figure 5 indicates that, on the lower left side, the crowding between the first molar and the midline is also 1 mm, meaning that all of the crowding on the lower left side is between the canine and the midline.
  • the curve of Spee depth is measured from a line extending from the distal cusps of the second molars to the incisal edges of the central incisors. It is generally believed that leveling a curve of Spee that is 2 mm deep requires 1 mm of space. Thus, the exemplary data of Figure 5 indicates that 1 mm of space is needed in order to level the curve of Spee.
  • the lower midline is deviated 1 mm to the right. Because the lower midline is deviated 1 mm to the right, correction of the lower midline requires 1 mm of space on the left side so that the midline can be moved 1 mm to the left. On the other hand, movement of the midline 1 mm to the left creates 1 mm of the space on the right side. Accordingly, the 1 mm of created space on the right side is shown as +1 in the chart of Figure 5, and the 1 mm of required space on the left side is shown as -1 in the chart of Figure 5.
  • the space requirements are totaled in each region (3x3 and 6x6).
  • 5 mm of space is needed between the canine and the midline to alleviate the crowding, to retract the lower incisor protrusion, and to level the curve of Spee.
  • this space requirement is 6 mm (3+2+1).
  • the total space requirement is recorded in the chart of Figure 5 as -5, where the minus sign indicates required space rather than created space.
  • the same total space requirement applies to the 6x6 region.
  • An upper arch discrepancy chart would not ordinarily be done for the patient because it is generally assumed that correct positioning of the lower teeth will align the lower teeth with the upper teeth. However, an upper arch discrepancy chart can be useful to the orthodontist such as in surgical cases.
  • Figures 4 and 5 is shown in the chart of Figure 6.
  • the anticipated treatment recognizes that, if extractions are not made, the malpositioned lower incisors could not be correctly positioned and, in fact, the positions of the incisors would most probably be made worse. Because these positions of the lower incisors are considered to be unacceptable, extractions of the upper and lower, right and left first premolars are included in the anticipated treatment. Further, because of these extractions, it becomes unnecessary to ⁇ consider interproximal reduction, uprighting of the lower arch first molars, and/or buccal uprighting of the lower canines and the lower posterior teeth.
  • the extraction of the four first premolars normally creates 7 mm of space in each quadrant (upper right, upper left, lower right, and lower left). These spaces are recorded in the chart of Figure 6 as (7) in each quadrant. Because the total lower arch discrepancy from midline to canine on each side is 5 mm as shown by the chart in Figure 5, the lower left and right canines can be retracted into the extraction sites to correct this discrepancy. These 5 mm movements are recorded in the chart of Figure 6 as 5 with arrows pointing distally in the lower right and left quadrants.
  • the lower midline is deviated 1 mm to the right and, therefore, the lower midline is moved 1 mm to the left.
  • This 1 mm movement is recorded in the chart of Figure 6 as 1 with an arrow pointing to the left in the lower jaw.
  • the total upper arch discrepancy from midline to canine on the right side is 9 mm and the total upper arch discrepancy from midline to canine on the left side is 8.5 mm. Correction of these discrepancies requires the upper right canine to be retracted by 9 mm into the upper right extraction site and the upper left canine to be retracted by 8.5 mm into the upper left extraction site.
  • 9 mm and 8.5 mm movements are recorded in the chart of Figure 6 as 9 and 8.5, respectively, with corresponding arrows pointing distally in the upper right and left quadrants.
  • a method of developing an orthodontic treatment comprises the following: entering first crowding/spacing data in first and second tables, wherein the first table relates to cuspid to midline regions of a patient's jaw, wherein the second table relates to second molar to midline regions of the patient's jaw, and wherein the first crowding/spacing data relates to the right and left cuspid to midline regions of the patient's jaw; entering second crowding/spacing data in the second table but not the first table, wherein the second crowding/spacing data relates to bicuspid regions of the patient's jaw; entering third crowding/spacing data in the second table but not the first table, wherein the third crowding/spacing data relates to molar regions of the patient's jaw; entering curve of Spee spacing data in the first and second tables, wherein the curve of Spee spacing data relates to space required to correct a curve of Spee of the patient's jaw; entering midline spacing data in
  • a method related to orthodontics comprises the following: entering first crowding/spacing data in first and second tables, wherein the first table contains data related only to cuspid to midline regions of a patient's jaw, wherein the second table relates to second molar to midline regions of the patient's jaw and includes the data related to the cuspid to midline regions of the patient's jaw, and wherein the first crowding/spacing data relates to cuspid to midline regions of the patient's jaw; entering second crowding/spacing data in the second table, wherein the second crowding/spacing data relates to bicuspid regions of the patient's jaw; entering third crowding/spacing data in the second table, wherein the third crowding/spacing data relates to molar regions of the patient's jaw; entering curve of Spee spacing data in the first and second tables, wherein the curve of Spee spacing data relates to space required to correct a curve of Spee of the patient's jaw
  • a method related to orthodontics comprises the following: entering midline and molar relationships into a midline chart; entering first, second, third, fourth, fifth, and sixth crowding/spacing data into a discrepancy chart having first and second tables, wherein the first table contains data related only to cuspid to midline regions of a patient's jaw, wherein the second table relates to second molar to midline regions of the patient's jaw and includes the cuspid to midline regions of the patient's jaw, wherein the first crowding/spacing data relates to cuspid to midline regions of the patient's jaw, wherein the second crowding/spacing data relates to bicuspid regions of the patient's jaw, wherein the third crowding/spacing data relates to molar regions of the patient's jaw, wherein the fourth crowding/spacing data relates to a curve of Spee, wherein the fifth crowding/spacing data relates to midline position, and
  • a method related to orthodontics comprising: entering crowding/spacing data in a first table, wherein the crowding/spacing data entered into the first table relate to a cuspid to midline region of a patient's jaw; entering crowding/spacing data in a second table, wherein the crowding/spacing data entered into the second table relate to a second molar to midline region of the patient's jaw and include the crowding/spacing data related to the cuspid to midline region of the patient's jaw; and, planning an orthodontic treatment based upon the crowding/spacing data entered into the first and second tables.
  • Figure 1 illustrates a known blank chart that may be used to record a patient's initial midline and first molar relationships
  • Figure 2 illustrates a known blank chart that can be used to record the lower arch discrepancy
  • Figure 3 illustrates a known blank chart that can be used to record anticipated treatment changes for a patient
  • Figure 4 illustrates exemplary data for a patient as recorded in the chart of Figure l;
  • Figure 5 illustrates exemplary data for the patient as recorded in the chart of Figure 2
  • Figure 6 illustrates anticipated treatment changes for the patient as recorded in the chart of Figure 3 and as based on the exemplary data shown in Figures 4 and 5
  • Figure 7 is a diagram useful in understanding the curve of Spee
  • Figure 8 illustrates a blank chart that may be used in accordance with the present invention to record a patient's initial midline and first molar relationships
  • Figure 9 illustrates a blank chart that may be used in accordance with the present invention to record the lower arch discrepancy
  • Figure 10 illustrates a blank chart that may be used in accordance with the present invention to record anticipated treatment changes for a patient
  • Figure 11 illustrates exemplary data for a patient as recorded in the chart of Figure 8.
  • Figure 12 illustrates exemplary data for the patient as recorded in the chart of Figure 9;
  • Figure 13 illustrates anticipated treatment changes for the patient as recorded in the chart of Figure 10 and is based on the exemplary data shown in Figures 11 and 12; and Figures 14A-14C illustrate a flow chart representing a program that may be implemented by a computer in order to carry out the present invention.
  • the chart of Figure 8 is used to record the patient's initial midline and first molar relationships on the right and left sides.
  • the exemplary data in Figure 11 indicate that the upper dental midline of the patient is symmetrical and that the lower dental midline deviates from the upper dental midline by 2 mm to the right.
  • the molar relationship data of Figure 11 indicate a 3 mm Class II deviation between the upper and lower first molars of the patient on the right and left side. Any overjet, overbite, and crossbite of a patient may also be recorded under the chart of Figure 8.
  • a chart having 3x3 and 7x7 tables is illustrated in Figure 9 and is used to record the lower arch discrepancy.
  • the 3x3 chart covers the regions between the right canine and the midline and between the left canine and the midline.
  • the 7x7 chart covers the regions between the right second molar and the midline and between the left second molar and the midline.
  • the spaces required for relief of crowding between the right canine and the midline and between the left canine and the midline (3x3) are recorded in both the 3x3 table and the 7x7 table.
  • the spaces required for the relief of crowding of the right premolars (bicuspids) and the left premolars are recorded only in the 7x7 table.
  • the chart of Figure 9 is used to enter space requirements to alleviate crowding, to permit correction of the curve of Spee, and to permit correction of incisor positions.
  • space may also exist or be created on one or both sides of the jaw. For example, when the lower midline is moved, space is created on one side of the jaw, and this created space is recorded in the chart of Figure 9 as shown by the data in Figure 12.
  • space may exist in the canine to midline, premolar, and/or molar regions of the arch. If so, these existing spaces would be entered into the chart of Figure 9 as positive numbers.
  • other space can be created to meet the space requirements, and the chart of Figure 9 allows entries of such other created space.
  • the chart includes entries for interproximal reduction (stripping of enamel), for lower arch expansion (widening), and for distalization of lower molars (movement of the lower molars toward the back of the jaw), and for extractions.
  • the differences between the total created spaces and the total space requirements are entered into both tables of the chart of Figure 9 as remaining discrepancies.
  • the exemplary data in the C/S 3x3 row of the 3x3 table of Figure 12 indicate that the lower arch has 5 mm of crowding on the right side. This crowding is mesial to the lower right canine. This 5 mm of crowding between the lower right canine and the midline is also entered into the same row of the 7x7 table of Figure 12. Similarly, the lower arch has only 1 mm of crowding on the left side. This crowding is likewise mesial to the lower left canine. This 1 mm of crowding between the lower right canine and the midline is entered into the C/S 3x3 row of the 3x3 and 7x7 tables of Figure 12.
  • the exemplary data in the C/S Bicuspid/E row of the 7x7 table shown in Figure 12 indicate that the lower arch has 1.5 mm of available space in the bicuspid region of the lower right quadrant. This 1.5 mm of available space is entered as a positive number into the 7x7 table of Figure 12. Similarly, the exemplary data indicate that the lower arch has 1.5 mm of available space in the bicuspid region of the lower left quadrant. This 1.5 mm of available space is also entered as a positive number into the 7x7 table of Figure 12.
  • the exemplary data in the C/S Molars row of the 3x3 table of Figure 12 further indicate that the lower arch requires 1.5 mm of space in the molar region of the lower right quadrant to alleviate crowding. This 1.5 mm of required space is entered as a negative number into the 7x7 table of Figure 12. Similarly, the exemplary data indicate that the lower arch requires 1.5 mm of space in the molar region of the lower left quadrant to alleviate crowding. This 1.5 mm of required space is also entered as a negative number into the 7x7 table of Figure 12. These required spaces in the molar regions are not entered into the 3x3 table because they are outside of the coverage of the 3x3 table.
  • the 2 mm of created space on the right side is shown as a positive number in the Midline row of the chart of Figure 12, and the 2 mm of required space on the left side is shown as a negative number in Midline row of the chart of Figure 12.
  • 2 mm of space is required on the lower right and lefts sides in order to correct the positions of the lower incisors. This 2 mm of required space is entered as a negative number into the Incisor Pos. row of the 3x3 and 7x7 tables of Figure 12.
  • Charts similar to that shown in Figure 12 can be completed for the upper arch such as in surgical cases.
  • FIG. 13 is a reproduction of Figure 10 but containing the pertinent data relating to the anticipated treatment changes.
  • the anticipated treatment based upon the exemplary data shown in Figures 11 and 12 includes extractions in the upper and lower, right and left quadrants. These extractions create 7 mm of space in the upper right and left quadrants and 7 mm of space in the lower right and left quadrants.
  • the upper extractions are recorded in the chart of Figure 13 as (7) in the upper right and left quadrants.
  • the lower extractions are also recorded in the chart of Figure 13.
  • the lower arch also gains 1.5 mm of leeway (E) space in the lower right and left bicuspid areas
  • the space created by the lower extractions (7) are added to the leeway space (1.5) in the region of the lower bicuspids and the total is recorded as (8.5) in the lower right and left quadrants.
  • the 10.5 mm of space created in the lower right quadrant (i.e., 7 mm from the extraction + the 2 mm resulting from moving the midline to the left + 1.5 mm of leeway space in the bicuspid region) permits the teeth in the lower right quadrant to be correctly positioned.
  • This correction in the lower right quadrant uses 5 mm of space to relieve crowding between the canine and the midline, uses 0.5 mm of space to level the curve of
  • Spee uses 1.5 mm of space to relieve crowding in the molar region, and uses 2 mm of space for incisor position correction. This correction leaves 1.5 mm of unused space. As a result, the rear molars in the lower right quadrant are moved forward (mesially) to take up this unused space.
  • the entries into the chart of Figure 13 show the 2 mm movement of the midline and the net 5.5 mm of distal movement of the teeth between the canine and the midline in the lower right quadrant.
  • the chart of Figure 3 also shows the 8.5 mm of available space in the lower right quadrant.
  • the difference (3 mm) between the net 5.5 mm of distal tooth movement and the 8.5 mm of available space is recorded in the chart of Figure 13 as a net of 3 mm mesially in the molar region of the lower right quadrant.
  • the 10 mm of space created in the lower left quadrant permits the teeth in the lower left quadrant to be correctly positioned.
  • This correction in the lower right quadrant uses 1 mm of space to relieve crowding between the canine and the midline, uses 0.5 mm of space to level the curve of Spee, uses 1.5 mm of space to relieve crowding in the molar region, uses 2 mm of space for midline correction, and uses 2 mm of space for incisor position correction.
  • This correction leaves 1.5 mm of unused space.
  • the rear molars in the lower left quadrant are moved forward to take up this unused space.
  • the entries into the chart of Figure 13 show the 2 mm movement of the midline and the net 5.5 mm of movement of the teeth between the canine and the midline in the lower left quadrant.
  • the chart of Figure 3 also shows the 8.5 mm of available space in the lower left quadrant.
  • the difference (3 mm) between the net 5.5 mm of distal tooth movement and the 8.5 mm of available space is recorded in the chart of Figure 13 as a net of 3 mm mesially in the molar region of the lower left quadrant.
  • the 7 mm of space created in the upper right quadrant from the extraction permits the teeth in the upper right quadrant to be correctly positioned.
  • This correction in the upper right quadrant uses all 7 mm of space to relieve crowding between the canine and the midline.
  • the 7 mm of space created in the upper left quadrant from the extraction permits the teeth in the upper left quadrant to be correctly positioned.
  • This correction in the upper left quadrant uses all 7 mm of space to relieve crowding between the canine and the midline.
  • the entries into the chart of Figure 13 show the net 7 mm of movement of the teeth between the canine and the midline in the upper right quadrant, and the net 7 mm of movement of the teeth between the canine and the midline in the upper left quadrant.
  • a computer program 100 which is shown in Figures 14A-14C by way of a flow chart and which is executed by a computer, may be used to implement the present invention.
  • a block 102 Upon start up of the program 100, a block 102 prompts the user to enter 3x3 crowding as a negative number or 3x3 available spacing as a positive number.
  • a block 104 Upon entry of this data, a block 104 causes this data to be inserted into the C/S 3x3 row of the arch discrepancy chart ( Figure 9).
  • the block 104 inserts -5 in the R columns and -1 in the L columns of the 3x3 and 7x7 tables, as shown in Figure 12.
  • a block 106 prompts the user to enter crowding as a negative number or available spacing as a positive number for the bicuspid regions.
  • a block 108 causes this data to be inserted into the C/S Bicuspi ⁇ VE row of the arch discrepancy chart.
  • the block 108 inserts 1.5 in the R and L columns of the 7x7 table, as shown in Figure 12.
  • a block 110 prompts the user to enter crowding as a negative number or available spacing as a positive number for the molar regions.
  • a block 112 causes this data to be inserted into the C/S Molars row of the arch discrepancy chart.
  • the block 112 inserts -1.5 in the R and L columns of the 7x7 table, as shown in Figure 12.
  • a block 114 prompts the user to enter crowding as a negative number for any correction of the curve of Spee.
  • a block 116 causes this data to be inserted into the Curve of Spee row of the arch discrepancy chart.
  • the block 116 inserts -0.5 in the R and L columns of the 3x3 table and the 7x7 table, as shown in Figure 12.
  • a block 118 prompts the user to enter crowding as a negative number or available spacing as a positive number resulting from correction of the midline deviation.
  • a block 120 causes this data to be inserted into the Midline row of the arch discrepancy chart.
  • the block 120 inserts 2 in the R columns of the 3x3 table and the 7x7 table and inserts -2 in the L columns of the 3x3 table and the 7x7 table, all as shown in Figure 12.
  • the block 120 also inserts the midline deviation into the midline chart ( Figure 8).
  • the block 120 accordingly inserts 2 for the midline deviation, as shown in Figure 11.
  • a block 122 prompts the user to enter crowding as a negative number resulting from correction of the incisor positions.
  • a block 124 causes this data to be inserted into the Incisor Position row of the arch discrepancy chart.
  • the block 124 inserts -2 in the R and L columns of the 3x3 table and the 7x7 table, as shown in Figure 12.
  • a block 126 totals (sums) the entries into R and L columns discussed so far and enters these totals as an initial discrepancy into the Initial Discrepancy row of the arch discrepancy chart.
  • the block 126 inserts -5.5 in the R and L columns of the 3x3 table and the 7x7 table, as shown in Figure 12.
  • a block 128 prompts the user to enter space created by stripping, expansion, and distalizing as a positive number, assuming that stripping, expansion, and distalizing are contemplated in the anticipated treatment.
  • a block 130 causes the stripping data to be inserted into the Stripping row of the arch discrepancy chart.
  • the block 130 inserts 0 in the R and L columns of the 3x3 table and the 7x7 table, as shown in Figure 12.
  • the block 130 also causes the expansion data to be inserted into the Expansion row of the arch discrepancy chart.
  • the block 130 inserts 0 in the R and L columns of the 3x3 table and the 7x7 table, as shown in Figure 12.
  • the block 130 further causes the distalizing data to be inserted into the Distalizing row of the arch discrepancy chart.
  • the block 130 inserts 0 in the R and L columns of the
  • a block 132 prompts the user to enter the available space resulting from extractions, assuming that extractions are contemplated in the anticipated treatment.
  • a block 134 causes this data to be inserted into the Extraction row of the arch discrepancy chart.
  • the block 124 inserts
  • a block 136 totals (sums) the initial discrepancy with the other space created by stripping, expansion, distalizing, and extraction, and inserts these totals as a remaining discrepancy into the Remaining Discrepancy row of the arch discrepancy chart.
  • the block 136 inserts -5.5 in the R and L columns of the
  • a block 138 inserts the anticipated treatment into the chart of Figure 10.
  • the block 138 inserts into the chart of Figure 10 the movement of the midline, the space created by extractions (if any), the movement of the teeth in the cuspid to midline region, and the movement of the teeth in the molar region.
  • the block 138 inserts -2 to show the midline movement, inserts the 5.5 mm distal movement of the teeth in the cuspid to midline regions on the right and left sides, inserts the 3 mm mesial movement of the teeth in the molar regions on the right and left sides, and inserts the 8.5 mm of combined extraction and leeway space.
  • the block 138 inserts into the chart of Figure 10 the movement of the midline, the space created by extractions (if any), the movement of the teeth in the cuspid to midline region, and the movement of the teeth in the molar region.
  • the block 138 inserts 0 to show the upper midline movement, inserts the 7 mm distal movement of the teeth in the cuspid to midline regions on the right and left sides, inserts the 0 mm movement of the teeth in the molar regions on the right and left sides, and inserts the 7 mm of extraction space.
  • a block 140 prompts the user to enter the molar relationships indicating the deviation between the upper and lower first molars of the patient on the right and left sides.
  • a block 142 causes this data to be inserted into the midline chart.
  • the block 142 inserts 3 for the right and left molar relationships, as shown in Figure 11.
  • a block 144 causes the completed charts to be displayed to the user on a monitor. Alternatively, or additionally, the block 140 causes the completed charts to be printed for the user. The presentation of the information in these charts permits the orthodontist to more effectively treat patients.

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PCT/US2002/031237 2001-11-27 2002-10-03 Method for the enhancement of orthodontic treatments Ceased WO2003045267A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE60217396T DE60217396T2 (de) 2001-11-27 2002-10-03 Verfahren zum verbessern von orthodontische behandlungen
JP2003546774A JP2005510290A (ja) 2001-11-27 2002-10-03 歯列矯正治療の強化のための方法
EP02766443A EP1450721B1 (en) 2001-11-27 2002-10-03 Method for the enhancement of orthodontic treatments
AU2002330179A AU2002330179A1 (en) 2001-11-27 2002-10-03 Method for the enhancement of orthodontic treatments

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US09/995,456 US20030101079A1 (en) 2001-11-27 2001-11-27 Method for the enhancement of orthodontic treatments
US09/995,456 2001-11-27

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WO2003045267A1 true WO2003045267A1 (en) 2003-06-05

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US20030101079A1 (en) 2003-05-29
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DE60217396T2 (de) 2007-10-25
DE60217396D1 (de) 2007-02-15
JP2005510290A (ja) 2005-04-21
EP1450721B1 (en) 2007-01-03
EP1450721A1 (en) 2004-09-01

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