Masticatory Ability for a Single Implant Mandibular Overdenture Retained by Two Different Attachments: A Randomized Controlled Trial

Table 4

Mean scores and standard deviation of masticatory ability at baseline; 2 weeks from loading; and 3-, 6-, 9-, 12-, and 24-month follow-up, for patients of the ball and CM-LOC attachment group.

Group		Baseline (complete enture)	2 weeks from pickup	3-month follow-up	6-month follow-up	9-month follow-up	12-month follow-up	24-month follow-up
Ball	Mean	17.43	9.33	9.46	8.30	7.38	6.32	4.38
	SD	11.488	8.360	10.9	11.7	9.034	8.743	5.558
CM-LOC	Mean	17.15	7.95	5.88	5.52	6.96	5.13	6
	SD	10.581	8.936	6.058	6.674	10.017	7.566	9.078
	value	0.962	0.764	0.631	0.835	0.813	0.628	0.884

SD: standard deviation. is considered statistically significant.