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![[Table/Fig-7]:](https://cdn.ncbi.nlm.nih.gov/pmc/blobs/71a2/4606337/6adf872f0878/jcdr-9-ZC29-g007.jpg)
HORIZONTAL MEASUREMENT.
LI–Pm: It is the horizontal distance from the incisal edge of the lower central incisor to the Pm point measured parallel to the corpus axis.
LM–Pm: It is the horizontal distance from the mesiobuccal cusp tip of the lower molar to the Pm point measured parallel to the corpus axis.
LI–APog: It is the horizontal distance from the incisal edge of the lower central incisor to the APog line.
