Cumulative Success Rate of Short and Ultrashort Implants Supporting Single Crowns in the Posterior Maxilla: A 3-Year Retrospective Study

Table 1

Overall placed implants according to studied covariates. Also distribution of placed implants according to implant length is presented in this table.

Variable	Overall		Short		Ultrashort		value
		%		%		%
Sex
Female	40	61.54	26	65.00	14	56.00	0.46
Male	25	38.46	14	35.00	11	44.00
Age							0.44
Smoking history
Yes	16	24.62	7	17.50	9	36.00	0.09
No	49	75.38	33	82.50	16	64.00
ASA status
I	31	47.69	21	52.50	10	40.00	0.32
II	34	52.31	19	47.50	15	60.00
NSAIDs consumption
Yes	5	7.69	2	5.00	3	12.00	0.36
No	60	92.31	38	95.00	22	88.00
History of periodontal disease
Yes	38	58.46	19	47.50	19	76.00	0.02
No	27	41.54	21	52.50	6	24.00
Implanted tooth type
Premolar	67	(48.20)	56	(57.14)	11	(26.83)	0.00
Molar	72	(51.80)	42	(42.86)	30	(73.17)
Implant surface
Integra-CP	117	87.31	80	84.21	37	94.87	0.29
HA-coated	12	8.96	10	10.53	2	8.96
Integra-Ti	5	3.73	5	5.26	0	3.73
Restorative material
Ceromer	33	(23.74)	18	(18.37)	15	(36.59)	0.02
Porcelain	106	(76.26)	80	(81.63)	26	(63.41)

Statistically significant differences between groups. Age is presented as mean ± standard deviation.