T-shaped toothbrush for plaque removal and gingival health in children: a randomized controlled trial

BMC Oral Health

Table 2 Pairwise comparison of study groups across four visits for plaque and gingival scores

Variable	Time	(I) Type of toothbrush	(J) Type of toothbrush	Mean difference (I–J)	SE	p value	95% CI for difference
Variable	Time		(J) Type of toothbrush	Mean difference (I–J)	SE	p value	LB	UB
Plaque score	Baseline	Regular	T-shape	0.185	0.167	0.271	− 0.146	0.516
	Visit 1	Regular	T-shape	0.235	0.171	0.172	− 0.104	0.574
	Visit 2	Regular	T-shape	0.067	0.153	0.664	− 0.237	0.371
	Visit 3	Regular	T-shape	− 0.016	0.148	0.913	− 0.310	0.278
Gingival score	Baseline	Regular	T-shape	0.028	0.032	1	− 0.047	0.102
	Visit 1	Regular	T-shape	0.029	0.028	1	− 0.038	0.097
	Visit 2	Regular	T-shape	0.060	0.057	1	− 0.080	0.199
	Visit 3	Regular	T-shape	0.057	0.037	1	− 0.044	0.158

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