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Aim:The aim of this research is to determine which risk factors are associated with dental implant failure and survival. Materials and methods:Data pertaining to patients who received one or more dental implants from 2011 to 2013 in a regional center were retrospectively reviewed. This included a total of 302 Biomet 3i NanoTite Tapered Certain implants placed in 177 patients. All patients were followed up until the end of 2015.Results: This study found an overall success rate of 95%. Statistically significant factors that were found to affect implant survival were implant length, surgical technique, and presence of diabetes mellitus DM. Age, gender, body mass index (BMI), implant site, smoking, and variable operators were not found to have any significant implant on implant survival. Conclusion:This study has demonstrated that the incidence of implant failure and its complications is affected by a number of important factors that clinicians should consider when assessing patients. A follow-up study with a larger sample size, longer follow-up period, and details of the type of prosthetic rehabilitation would be beneficial in producing more definitive conclusions which may improve clinical practice.Clinical significance: Dental implants play an important role in modern-day dental rehabilitation. It is vital that clinicians understand the impact of variable risk factors on implant survival. This study will add to the growing literature on the subject.

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Residual alveolar cleft deficits can be difficult to treat. This is particularly the case in older and multiply operated patients as well as those with large oronasal defects and extensive scar tissue. In large and recalcitrant defects vascularized free tissue transfer should be considered as a definitive procedure. Vascularized free tissue transfer provides a 95% success rate and provides excellent bone for placement of osseointegrated implants for dental rehabilitation (Schwabegger et al., 2004). We feel that the scapula tip has a number of important advantages. These include reduced morbidity from the donor site, good bone quality and contour for implant placement, and a longer pedicle length.