Groups | Plaque thickness | Plaque stage | Plaque thickness to media thickness |
---|---|---|---|
GroupII | 1.2 ± 0.34356 | 1 | More than half of media thickness |
Group III | 2.76 ± 0.360555 | 2 | Plaque at least half as thick as media |
Group IV | 1.26 ± 0.416333a | 1 | More than half of media thickness |
Group V | 086 ± 0.503322 a | 1 | More than half of media thickness |