Influence of implant protrusion length on non-grafting osteotome sinus floor elevation with simultaneous implant: a 3- to 9-year retrospective study

International Journal of Implant Dentistry

Table 1 Patient and implant characters and distributions

	Gender			Age				Periodontal status						Smoking status
	Male	Female		20-40	41-60		61-80	Treated periodontitis			Non-periodontitis			Smoking	Non-smoking
Patient-based statistics	37	28		11	41		13	20			45			14	51
	Implant length (mm)			Implant diameter (mm)		Implant site		RBH (mm)		IPL (mm)			Prosthesis		Implant system
	6	8	10	4.3	5	Premolar	Molar	<5	≥5	<2	2-4	≥4	Single crown	Multiple-unit FDP	Nobel	Bicon
Implant-based statistics	62	16	27	13	92	10	95	65	40	32	58	15	88	17	39	66

Abbreviation: RBH Residual bone height; IPL Implant protrusion length; FDP Fixed dental prosthesis