1. Input space and size
Input only in dashed boxes · mm
U midline
Q1 +
− Q2
Q4 +
− Q3
L midline
Q1 disc.
Q2 disc.
Q4 disc.
Q3 disc.
Q1+2 disc.
Q3+4 disc.
2. Proclination and intrusion
Retraction
Intrusion
Retraction is +ve, Proclination is -ve
Intrusion is +ve, Extrusion is -ve
Procumbency adjustment
U Total space need
Retraction
Intrusion
Retraction is +ve, Proclination is -ve
Intrusion is +ve, Extrusion is -ve
Procumbency adjustment
L Total space need
3. Space Gaining and Elastic
-ve Distalize is Mesialize)
** Ext space คือ space ที่มีหลังถอน ไม่ใช่ขนาดฟัน
Q1 MethodSpace (mm)
Expansion
IPR
Distalize
Ext #15 space
Ext #14 space
Q1 space created
Q2 MethodSpace (mm)
Expansion
IPR
Distalize
Ext #25 space
Ext #24 space
Q2 space created
RIGHT Elastic (Q1 + Q4)
No Elastic
III 3mmIII 2mmIII 1mmNoII 1mmII 2mmII 3mm
LEFT Elastic (Q2 + Q3)
No Elastic
II 3mmII 2mmII 1mmNoIII 1mmIII 2mmIII 3mm
Q4 MethodSpace (mm)
Expansion
IPR
Distalize
Ext #45 space
Ext #44 space
Q4 space created
Q3 MethodSpace (mm)
Expansion
IPR
Distalize
Ext #35 space
Ext #34 space
Q3 space created
4. Result
Upper
final discrepancy
Upper
final midline
+Q1 / −Q2
+Q1 / −Q2
Note
Lower
final discrepancy
Lower
final midline
+Q4 / −Q3
+Q4 / −Q3
5. Bolton's Ratio
16
15
14
13
12
11
21
22
23
24
25
26
46
45
44
43
42
41
31
32
33
34
35
36
%
Norm
Range
แปลผล
Anterior Ratio
77.2
74.5–80.4
Overall Ratio
91.3
87.5–94.8