Postsurgical oral symptoms after insertion of one or two implants for mandibular overdentures: short-term results of a randomized clinical trial

International Journal of Implant Dentistry

Table 4 Frequency distribution of the remission of symptoms (symptom score = 0), and tests of regression models for the treatment groups and follow-up as predictor variables

Follow-up	Pain in the surgical area		Pain when chewing		Swelling		Bleeding		Unpleasantness
Follow-up	1-IOD	2-IOD	1-IOD	2-IOD	1-IOD	2-IOD	1-IOD	2-IOD	1-IOD	2-IOD
1-day	3 (13.0)	2 (8.3)	4 (17.4)	5 (20.8)	13 (56.5)	6 (25.0)	11 (47.8)	9 (37.5)	3 (13.0)	3 (12.5)
7-day	5 (21.7)	7 (29.2)	5 (21.7)	7 (29.2)	17 (73.9)	14 (58.3)	20 (87.0)	18 (75.0)	6 (26.1)	8 (33.3)
21-day	15 (65.2)	12 (50.0)	11 (47.8)	11 (45.8)	21 (91.3)	21 (87.5)	22 (95.7)	24 (100)	10 (43.5)	11 (45.8)
p-value^a	0.616		0.780		0.056		0.427		0.762

^aTests of model effects for the difference between groups (1-IOD vs 2-IOD). All p-values for the effects of the follow-up assessments were < 0.001