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Table 2 Calculation formula of PBL% and classification criteria

From: A two-stage deep learning architecture for radiographic staging of periodontal bone loss

PBL%*

Stage

 < 15%

I

15–33%

II

 > 33%

III/IV

  1. *PBL% = MAX (m1 − m2/m1 − m3, d1 − d2/d1 − d3)
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BMC Oral Health

ISSN: 1472-6831

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