Evaluation of the Success Criteria for Zirconia Dental Implants: A Four-Year Clinical and Radiological Study

Table 2

Periodontal indexes.

	Months after implant insertion
Periodontal Indexes	6 months	12 months	18 months	24 months	36 months	48 months
PI	1	0.5	0.75	0.5	0.43	0
BOP	1	0.25	0.5	0.5	0.86	0.15
PPD (mm)
MV	4 (±0.7)	3 (±0.8)	3.5 (±1.3)	2.75 (±0.5)	3.9 (±1.28)	3.9 (±0.7)
V	2.5 (±0.7)	2.75 (±0.5)	3 (±0.8)	2.25 (±0.9)	2.7 (±0.8)	2.43 (±0.5)
DV	3.5	2.75 (±0.5)	3.5 (±1)	2.25 (±0.5)	3.3 (±0.9)	2.71 (±0.5)
MP	3	3.25 (±1.25)	4 (±0.8)	3.5 (±1.3)	3.4 (±0.8)	3.9 (±0.7)
P	2	3	2.25 (±0.9)	2.5 (±1.3)	2.9 (±1.1)	2.6 (±0.8)
DP	3	2.75 (±0.5)	3 (±0.8)	3.25 (±1.3)	3.5 (±1.2)	3.6 (±0.8)
PPD (mean)	3.0	2.917	3.208	2.75	3.283	3.19