Classification | Parameters | Method | Definition |
---|---|---|---|
CM | CL | IOS | The shortest distance from the gingival zenith to the incisal edge |
CW | The distance between the proximal tooth surfaces measured at the border between the middle and cervical portions | ||
Crown shape | CW/CL | ||
GM | GA | IOS | The angle between the gingival zenith and the zeniths of the corresponding adjacent gingival papillae |
PA | The angle between the zenith of the gingival papilla and the gingival zeniths of the corresponding adjacent teeth | ||
PW | The distance between the gingival zeniths of the adjacent teeth | ||
PH | The shortest distance from the zenith of the papilla to a line connects the gingival zeniths of the adjacent teeth | ||
SGH | IOS + CBCT | The distance from the gingival margin to the ABC | |
CEJ-ABC | The distance between the CEJ and the ABC | ||
GT | Gingival thickness, comprise GTcej, GTabc, GT1 and GT2 | ||
GT-p | GT on the palatal side, comprise GTcej-p, GTabc-p, GT1-p and GT2-p | ||
BM | BMA | CBCT | The angle between the bone margin zenith and the zeniths of the corresponding adjacent interproximal bone |
IBA | The angle between the zenith of the interproximal bone and the corresponding adjacent bone margin zeniths | ||
IBH | The shortest distance from the zenith of the interproximal bone to a line connects the adjacent bone margin zeniths | ||
BT | IOS + CBCT | Bone thickness, comprise BT1 and BT2 | |
BT-p | Bone thickness on the palatal side, comprise BT1-p and BT2-p |