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

Table 4.

Gingival phenotype of mandibular anterior teeth according to the Angle’s classification and amount of crowding

GP of tooth	Malocclusion	Mean±SD				P*

		Mild crowding	Moderate crowding	Severe crowding	Total
11	Class I	1.10±0.33	1.01±0.26	1.08±0.19	1.06±0.26	0.694
	Class II	1.04±0.23	0.82±0.23	1.06±0.24	0.97±0.25	0.057
	Total	1.07±0.28	0.93±0.26	1.07±0.21	1.02±0.26	0.110
	P	0.636	0.072	0.817	0.148
12	Class I	1.05±0.24	1.04±0.28	1.06±0.20	1.04±0.25	0.980
	Class II	1.01±0.22	0.81±0.26	0.88±0.17	0.98±0.26	0.145
	Total	1.03±0.23	0.95±0.29	1.06±0.23	1.01±0.25	0.287
	P	0.667	0.050	0.046	0.334
13	Class I	0.93±0.16	0.86±0.24	0.93±0.30	0.91±0.24	0.733
	Class II	0.93±0.29	0.78±0.22	0.97±0.37	0.89±0.30	0.356
	Total	0.93±0.22	0.83±0.23	0.95±0.32	0.90±0.26	0.274
	P	0.979	0.394	0.804	0.813
21	Class I	1.06±0.30	0.99±0.21	1.05±0.20	1.03±0.23	0.736
	Class II	1.01±0.23	0.83±0.16	1.01±0.18	0.95±0.20	0.073
	Total	1.04±0.27	0.93±0.20	1.03±0.19	1.00±0.22	0.156
	P	0.658	0.050	0.679	0.13
22	Class I	1.03±0.30	1.03±0.28	1.04±0.22	1.02±0.26	0.993
	Class II	1.01±0.26	0.77±0.28	0.87±0.05	0.96±0.28	0.073
	Total	1.02±0.27	0.92±0.30	1.05±0.23	1.00±0.27	0.227
	P	0.889	0.035	0.035	0.337
23	Class I	0.98±0.17	0.88±0.32	0.98±0.28	0.94±0.27	0.516
	Class II	0.96±0.30	0.84±0.23	0.96±0.30	0.92±0.27	0.562
	Total	0.97±0.23	0.86±0.28	0.97±0.28	0.93±0.27	0.276
	P^Å¦	0.836	0.747	0.818	0.680
31	Class I	0.64±0.23	0.85±0.29	0.83±0.26	0.79±0.26	0.194
	Class II	0.72±0.29	0.76±0.33	0.95±0.29	0.80±0.30	0.405
	Total	0.66±0.24	0.81±0.30	0.87±0.27	0.80±0.27	0.151
	P^Å¦	0.580	0.487	0.390	0.860
32	Class I	0.75±0.33	0.83±0.24	0.90±0.27	0.84±0.27	0.493
	Class II	0.74±0.18	0.84±0.35	0.72±0.28	0.81±0.29	0.264
	Total	0.75±0.27	0.83±0.29	0.79±0.27	0.83±0.27	0.417
	P^Å¦	0.951	0.925	0.020	0.700
33	Class I	0.66±0.29	0.86±0.32	0.67±0.34	0.75±0.32	0.257
	Class II	0.82±0.19	0.73±0.35	0.83±0.36	0.78±0.31	0.790
	Total	0.72±0.26	0.8±0.33	0.73±0.34	0.76±0.31	0.676
	P^Å¦	0.305	0.362	0.375	0.716
41	Class I	0.68±0.29	0.96±0.21	0.84±0.28	0.85±0.27	0.057
	Class II	0.76±0.23	0.74±0.34	0.92±0.29	0.79±0.29	0.521
	Total	0.71±0.26	0.87±0.29	0.86±0.28	0.83±0.28	0.211
	P^Å¦	0.588	0.070	0.580	0.500
42	Class I	0.79±0.27	0.87±0.27	0.92±0.24	0.87±0.27	0.568
	Class II	0.86±0.19	0.82±0.33	0.63±0.23	0.82±0.26	0.937
	Total	0.81±0.24	0.85±0.29	0.82±0.27	0.85±0.27	0.725
	P^Å¦	0.614	0.679	0.034	0.490
43	Class I	0.71±0.28	0.94±0.26	0.69±0.34	0.80±0.31	0.086
	Class II	0.92±0.15	0.73±0.35	0.83±0.36	0.80±0.31	0.545
	Total	0.79±0.25	0.85±0.31	0.74±0.34	0.80±0.31	0.535
	P^Å¦	0.159	0.108	0.428	0.956

P<0.05 statistically significant. *Obtained using analysis of variance; ^Å¦Obtained using independent t-test; Bold values: Significant. GP – Gingival phenotype; SD – Standard deviation; P – Probability of occurrence