Oral Biology Research

Table. 4.

Tooth loss after follow up over 5 years

1999 classification system Tooth loss 2018 classification system Tooth loss
Aggressive periodontitis 1.67±2.32 Stage II Grade A 0.00±0.00
Chronic periodontitis 1.57±2.05 Stage II Grade B 0.00±0.00
p-value 0.973 Stage III Grade B 0.67±1.16
Stage III Grade C 1.23±1.48
Stage IV Grade C 3.42±2.90
p-value 0.014*

Values are presented as mean±standard deviation.

*Statistically significant differences between the groups were detected (p<0.05).

Oral Biol Res 2023;47:15~21 https://doi.org/10.21851/obr.47.01.202303.15
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