DentCast
DentCast
Dr. Foad Shahabian
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Episode 161

Cantilever in Implant Dentistry :part1

🎙 DentCast ⏱ 31:39 📅 Fri, 14 Aug 2026 10:00:00 GMT
When we face limited mesiodistal space or insufficient tissue in the posterior region, one intelligent option for avoiding extensive augmentation surgeries like sinus lift and GBR is using implant-supported fixed dental prostheses with a cantilever extension (ICFDP). However, adding this lever arm has always brought a biomechanical fear for dentists. Will the concentration of non-axial forces lead to marginal bone loss and, ultimately, failure of the entire treatment? This clinical dilemma makes many of us hesitant to pursue this treatment plan.

In this episode of the DentCast podcast, to reach a definitive answer, we put the cantilever file on the table and put this concept under the microscope by reviewing three reference studies. In this episode you'll hear how bone around the implant responds to these forces in long-term follow-ups of over ten years, and whether your main challenges in practice will be biological or purely technical and prosthetic. We'll also talk about a critical, forbidden red line in implant selection, crossing which can cost you the entire system. Stay with this episode for the precise answers to these questions and an evidence-based clinical perspective.
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00:00 31:39
ICFDP cantilever extension non-axial loading marginal bone level long-term follow-up implant lever arm marginal bone loss biomechanical fear implant selection red line
#DentCast#Cantilever#DentalImplant#ImplantProsthesis#MarginalBoneLoss#Biomechanics#TreatmentPlanning#ImplantComplications
  • Aglietta M, Iorio Siciliano V, Zwahlen M, Brägger U, Pjetursson BE, Lang NP, Salvi GE. A systematic review of the survival and complication rates of implant supported fixed dental prostheses with cantilever extensions after an observation period of at least 5 years. Clin Oral Implants Res. 2009;20:441-451. DOI
  • Schmid E, Morandini M, Roccuzzo A, Ramseier CA, Sculean A, Salvi GE. Clinical and radiographic outcomes of implant-supported fixed dental prostheses with cantilever extension. A retrospective cohort study with a follow-up of at least 10 years. Clin Oral Implants Res. 2020. DOI
  • Hälg GA, Schmid J, Hämmerle CHF. Bone level changes at implants supporting crowns or fixed partial dentures with or without cantilevers. Clin Oral Implants Res. 2008;19:983-990. DOI

The full text of all three papers is available in the DentCast Library.

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