A 5-year longitudinal study of survival rate and periodontal parameter changes at sites of dilacerated maxillary central incisors

Progress in Orthodontics

Table 1 Clinical and radiographic data in the four sites

Clinical assessment	Mesial		Buccal		Distal		Palatal		Overall
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
PD
T0	1.93	0.62	1.37	0.71	1.83	0.69	1.62	0.67	1.6875	0.247975
T1	1.92	0.63	1.36	0.69	1.82	0.67	1.59	0.61	1.6725	0.249983
T2	1.92	0.71	1.35	0.68	1.82	0.57	1.58	0.63	1.6675	0.255261
CAL
T0	2.18	0.71	1.57	0.63	2.1	0.69	1.98	0.8	1.9575	0.271093
T1	2.19	0.73	1.59	0.62	2.12	0.67	1.99	0.89	1.9725	0.268126
T2	2.21	0.74	1.6	0.6	2.13	0.68	1.99	0.87	1.9825	0.270724
REC
T0	0.25	0.58	0.2	0.4	0.27	0.59	0.36	0.61	0.27	0.066833
T1	0.27	0.57	0.23	0.41	0.3	0.57	0.4	0.63	0.3	0.072572
T2	0.29	0.58	0.25	0.4	0.31	0.57	0.41	0.62	0.315	0.068069

Patients treated with closed eruption technique. PD, probing depth; CAL, clinical attachment level; REC, soft tissue recession.