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Table 2 Calculation of changes in overjet and molar relationship

From: Comparison of two maxillary protraction protocols: tooth-borne versus bone-anchored protraction facemask treatment

Overjet Molar relationship
Skeletal contribution Skeletal contribution
1. OLp–A pt. 1. OLp–A pt.
2. OLp–Pg 2. OLp–Pg
Dental contribution Dental contribution
3. OLp–Is minus OLp–A pt. 3. OLp–Ms minus OLp–A pt.
4. OLp–Ii minus OLp–Pg 4. OLp–Mi minus OLp–Pg
Overjet correction Molar relationship correction
Sum of 1, 2, 3, and 4 Sum of 1, 2, 3, and 4