Implant size selection

When it comes to severe atrophy of the jaws, short and wide implants can be placed successfully (28 included studies, between 1991 and 2011). Karthikeyan I, Desai SR, Singh R. Short implants: a systematic review. J Indian Soc Periodontol. 2012;163):302-312. Survival…

Implant size selection

When it comes to severe atrophy of the jaws, short and wide implants can be placed successfully (28 included studies, between 1991 and 2011).
Karthikeyan I, Desai SR, Singh R. Short implants: a systematic review. J Indian Soc Periodontol. 2012;16(3):302-312.
• Survival of the implants (short <10 mm) is improved with longer length, placement of the mandible with respect to the maxilla, and in non-smokers (a systematic review of the prognosis of short implants, [<10 mm], in the partially edentulous patient).
Telleman G, Raghoebar GM, Vissink A, den Hartog L, Huddleston Slater JJ, Meijer HJ. A systematic review of the prognosis of short (<10 mm) dental implants placed in the partially edentulous patient. J Clin Periodontol. 2011;38(7):667-676.
• Among the risk factors examined, most failures of short implants can be attributed to poor bone quality in the maxilla and surface treatment (35 studies in humans met the criteria.) The studies included 14,722 Implants, failure rates of implants with lengths of 8.5 and 9, were 3.2%, and 0.6% respectively).
Sun HL, Huang C, Wu YR, Shi B. Failure rates of short (≤ 10 mm) dental implants and factors influencing their failure: a systematic review. Int J Oral Maxillofac Implants. 2011;26(4):816-825.
• Short-surface rough implants should be considered a solution for restoration of posterior teeth in highly reabsorbed areas (short threaded implants with a rusted surface to restore posterior teeth: 1 to 3 years of results from a prospective study of 107 implants , 69.2% were 7 mm long, 30.8% were 8.5 mm long, survival rate 98.1%).
De Santis D, Cucchi A, Longhi C, Vincenzo B. Short threaded implants with an oxidized surface to restore posterior teeth: 1 to 3-year results of a prospective study. Int J Oral Maxillofac Implants. 2011;26(2):393-403.
• The wide platform provides increased mechanical strength of the connection being important for mechanical stability (the results of a 3-year prospective multi-centered clinical trial and the results at 1 year from a multicenter 2 retrospective clinical study Wide diameter implants for molar replacement).
Polizzi G, Rangert B, Lekholm U, Gualini F, Lindstrom H. Brånemark System Wide Platform implants for single molar replacement: clinical evaluation of prospective and retrospective materials. Clin Implant Dent Relat Res. 2000;2(2):61-69.
• Small diameter implants can be successfully included in implant treatment. Preferable in cases where space is limited. Overall survival rate of 95.3% (192 small diameter implants placed in 165 patients from 1992 to 1996. Of 2.9 mm or 3.25 mm in diameter, the overall survival rate was 95.3%) .
Vigolo P, Givani A, Majzoub Z, Cordioli G. Clinical evaluation of small-diameter implants in single-tooth and multiple-implant restorations: a 7-year retrospective study. Int J Oral Maxillofac Implants. 2004;19(5):703-709.
• Associated narrow-diameter implants could be considered for use with fixed restorations and lower overdentures, as their success rate appears to be comparable to that of regular-diameter implants (42 studies from 1993 to 2011. 10,093 FDI approximately 2,762 The reported survival rates for SDI are similar to those reported for standardwidth implants.
Sohrabi K, Mushantat A, Esfandiari S, Feine J. How successful are small-diameter implants? A literature review. Clin Oral Implants Res. 2012;23(5):515-525.
• For complete superior best 6 implants, survival rates: 97.9% at 5 years and 95.9% at 10 years. For partial dentures fixed on 2 to 4 implants, survival rates: 98.9% at 5 years and 97.8% at 10 years. For complete upper set on 4 to 6 implants, survival rates were 97.9% at 5 years and 95.9% at 10 years (from 210 articles were selected 51).
Heydecke G, Zwahlen M, Nicol A, Nisand D, Payer M, Renouard et al. What is the optimal number of implants for fixed reconstructions: a systematic review. Clin Oral Implants Res. 2012;23(6):217-228.

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