. 2020 Sep 1;24(5):414–420. doi: 10.4103/jisp.jisp_23_20

Table 5.

Width of the attached gingiva of the mandibular anterior teeth according to the Angle’s classification and amount of crowding

WAG of the tooth	Malocclusion	Mild crowding	Moderate crowding	Severe crowding	Total	P*
11	Class I	3.11±0.56	2.28±0.27	2.48±0.38	2.59±0.53	<0.0001
	Class II	2.40±0.33	2.52±0.32	2.16±0.11	2.37±0.31	0.025
	Total	2.77±0.58	2.38±0.31	2.35±0.34	2.49±0.46	0.002
	P	0.002	0.047	0.020	0.045
12	Class I	2.81±0.46	2.75±0.36	2.74±0.45	2.76±0.41	0.910
	Class II	2.92±0.37	2.34±0.32	2.74±0.46	2.67±0.45	0.007
	Total	2.86±0.41	2.58±0.39	2.74±0.44	2.72±0.43	0.081
	P	0.554	0.009	0.976	0.357
13	Class I	2.27±0.28	2.36±0.31	2.45±0.24	2.37±0.28	0.300
	Class II	2.36±0.38	2.65±0.35	2.31±0.20	2.44±0.35	0.061
	Total	2.31±0.33	2.48±0.35	2.40±0.23	2.40±0.31	0.212
	P	0.554	0.042	0.165	0.308
21	Class I	3.05±0.56	2.34±0.33	2.50±0.49	2.60±0.54	0.001
	Class II	2.44±0.26	2.52±0.32	2.19±0.13	2.39±0.28	0.023
	Total	2.76±0.53	2.41±0.33	2.37±0.41	2.51±0.46	0.007
	P	0.005	0.183	0.079	0.061
22	Class I	2.82±0.56	2.79±0.44	2.88±0.38	2.83±0.45	0.873
	Class II	2.99±0.28	2.44±0.44	2.77±0.48	2.73±0.46	0.019
	Total	2.90±0.45	2.64±0.46	2.83±0.42	2.79±0.45	0.132
	P	0.393	0.069	0.556	0.395
23	Class I	2.75±0.70	2.42±0.38	2.54±0.42	2.56±0.51	0.291
	Class II	2.47±0.34	2.36±0.40	2.59±0.47	2.47±0.40	0.480
	Total	2.61±0.57	2.40±0.38	2.56±0.43	2.52±0.46	0.258
	P	0.276	0.707	0.794	0.455
31	Class I	1.41±0.17	1.79±0.27	1.53±0.33	1.60±0.31	0.009
	Class II	1.22±0.22	1.58±0.32	1.48±0.34	1.46±0.32	0.125
	Total	1.33±0.21	1.70±0.30	1.51±0.33	1.55±0.32	0.002
	P^Å¦	0.103	0.099	0.800	0.112
32	Class I	2.09±0.24	2.19±0.51	1.99±0.42	2.10±0.43	0.515
	Class II	1.66±0.26	1.83±0.35	1.62±0.33	1.72±0.33	0.408
	Total	1.92±0.32	2.04±0.48	1.85±0.42	1.95±0.43	0.392
	P^Å¦	0.012	0.067	0.078	0.001
33	Class I	1.50±0.19	1.46±0.23	1.26±0.12	1.41±0.21	0.016
	Class II	1.76±0.32	1.42±0.44	1.53±0.34	1.53±0.39	0.306
	Total	1.60±0.27	1.44±0.32	1.36±0.25	1.45±0.29	0.088
	P^Å¦	0.092	0.751	0.028	0.129
41	Class I	1.46±0.14	1.93±0.14	1.69±0.47	1.73±0.34	0.004
	Class II	1.70±0.39	1.57±0.34	1.47±0.34	1.57±0.35	0.560
	Total	1.55±0.28	1.77±0.29	1.61±0.43	1.67±0.35	0.119
	P^Å¦	0.141	0.002	0.323	0.091
42	Class I	2.03±0.24	2.11±0.43	1.85±0.25	2.00±0.35	0.171
	Class II	1.52±0.24	1.80±0.31	1.62±0.40	1.68±0.33	0.264
	Total	1.83±0.34	1.98±0.41	1.76±0.32	1.87±0.37	0.168
	P^Å¦	0.004	0.660	0.163	0.001
43	Class I	1.45±0.24	2.16±0.31	1.26±0.17	1.68±0.48	<0.0001
	Class II	1.82±0.26	1.25±0.29	1.77±0.55	1.53±0.45	0.014
	Total	1.59±0.3	1.77±0.54	1.44±0.42	1.63±0.47	0.073
	P^Å¦	0.023	<0.0001	0.012	0.246

P<0.05 statistically significant. *Obtained using analysis of variance; ^ŦObtained using independent t-test; Bold values: Significant. WAG – Width of the attached gingiva; SD – Standard deviation; P – Probability of occurrence