Orthodontic arch wire variable radius circular domain division method based on bending point angular distance ratio sum
An orthodontic arch wire and variable radius technology, which is applied in the fields of arch wire, orthodontics, medical science, etc., can solve the problem of high difficulty in bending
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Embodiment 1
[0045] Embodiment 1: as figure 1 , figure 2 , image 3 As shown, the specific implementation mode adopts the following technical solution: a method for dividing the orthodontic archwire with variable radius circle based on the angle-to-distance ratio of the bending point, and the specific implementation process of the method is as follows:
[0046] Step 1. Data import of variable radius circular domain division and orthodontic archwire curve conversion:
[0047] According to the orthodontic archwire curve with i bending points of the patient, calculate and input the orthodontic archwire curve bending point information set T={t 1 , t 2 , t 3 ,...,t i},t i =(x i ,y i ,z i )' is the coordinates of each orthodontic archwire curve bending point, at each bending point t i The upper robot performs different bending movements, each orthodontic archwire curve bending point t i Each corresponds to a bending point robot bending information unit r i , the robot bending inform...
Embodiment 2
[0073] Embodiment 2: as figure 2 , image 3 As shown, in the process of planning the orthodontic archwire bending sequence based on the angle-to-distance ratio and the planar variable-radius circle division on a personalized orthodontic archwire curve containing i=22 bending points, it is assumed that the final The number of reasonable bending circle domains is n=8, and the number of bending points in each circle domain is In step 6, calculate the ratio of each reasonable angular distance to the curved circle domain (a 1 , a 2 ,...,a n ) and the angular distance ratio of the bending point Obtain the angle-to-distance ratio and information set of the bending point in the circular domain Comparing the angular distance ratio sum of the bending point of each reasonable angular distance ratio bending circle, there is Angle-to-distance ratio and Arrange the 8 circular domains in descending order for the index, so as to obtain the information set of the circular domains ...
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