Table 1 The nomenclature and abbreviations assigned to the quadrants into which lips were divided
S. no. | Name of quadrant | Abbreviation used |
|---|---|---|
1 | Upper lateral right | ULR |
2 | Upper middle right | UMR |
3 | Upper central | UC |
4 | Upper middle left | UML |
5 | Upper lateral left | ULL |
6 | Lower lateral right | LLR |
7 | Lower middle right | LMR |
8 | Lower central | LC |
9 | Lower middle left | LML |
10 | Lower lateral left | LLL |