Table 1 The dental landmarks, relative evaluation measurements and their definitions
From: A novel maxillary transverse deficiency diagnostic method based on ideal teeth position
Dental Landmarks/measurements | Definitions |
|---|---|
Maxilla (x) | |
MxF6-L/ MxF6-R | The central fossa of maxillary left/right first molar at ideal teeth position |
MxCR6-L/ MxCR6-R | The center resistance of maxillary left/right first molar at ideal teeth position |
Mx4-L/ Mx4-R | The central fossa of maxillary left/right first premolar at ideal teeth position |
WxF6 | Width between MxF6-L and MxF6-R |
WxCR6 | Width between MxCR6-L and MxCR6-R |
Wx4 | Width between Mx4-L and Mx4-R |
Mandible (d) | |
MdF6-L/ MdF6-R | The central fossa of the mandibular left/right first molar at ideal teeth position |
MdCR6-L/ MdCR6-R | The center resistance of the mandibularl left/right first molar at ideal teeth position |
Md4-L/ Md4-R | The distal contact point of the mandibular left/right first premolar at ideal teeth position |
WdF6 | Width between MdF6-L and MdF6-R |
WdCR6 | Width between MdCR6-L and MdCR6-R |
Wd4 | Width between Md4-L and Md4-R |
Difference (x measurement – d measurement) | |
DF6 | Difference between WxF6 and WdF6 |
DCR6 | Difference between WxCR6 and WdCR6 |
D4 | Difference between Wx4 and Wd4 |