Dental Implant Design and Its Relationship to Long-Term Implant Success

Finite element analysis of the stress distributions in peri-implant bone in modified and standard-threaded dental implants

“…Other researchers have reported that implants with square threads best conduct stress, and data from FEA studies have demonstrated that the square thread has a more suitable stress distribution. [8,28,31,34] In this study, changes in implant geometry resulted in considerable differences in the stresses in the bone surrounding the implant (Table 2, Figures 2À4). In our study, in accordance with previous ones, the Nobel Active implant resulted in less stress accumulation with all loadings and this was thought to result from the surfacethread design, which had more threads, a larger groove diameter and a greater surface area than the Nobel Replace implant, resulting in more bone/implant contact.…”

“…An animal study compared three implantthread forms with the same screw step and depth and measured the extraction torque that of the squarethread form was highest in three types of implants. [8] Geng et al [16] reported that triangular and large square-thread implant forms could be used in cancellous bone, while thin-square-grooved implants should be avoided. Chang et al [33] examined the micro-movement of implants and peri-implant bone with different types of thread under immediate axial loading with 300 N, using FEA.…”

“…[1] Based on length and diameter, dental implant-thread design has an important role in terms of the biomechanics of dental implants. [7,8] Therefore, this study, unlike our previous work, investigated the effect of implant-thread geometry on the stress distributions in two different threaded dental implant systems that have the same diameter and length.…”

Comparison of Micromotion around Basally Osseointegrated and Crestal Osseointegrated Implant in Mandibular First Molar Region: A Finite Element Analysis Study

“…1 Though the science of restoration of missing teeth is as old as 300 BC with the Egyptians employing a variety of methods to secure the prosthetic teeth, the successful replacement of lost natural teeth by dental implant is a major advance in dentistry. 2 What makes the implant dentistry unique is the ability to achieve this goal regardless of the atrophy, disease or injury of the stomatognathic system. Type of implant chosen to replace the missing tooth is an important objective in biomechanical optimization of dental implants.…”

Distribuição de tensões geradas por próteses esplintadas ou individualizadas sobre implantes com reabilitações em diferentes rebordos. Análise pelo método dos elementos finitos

“…Estudos mostram conclusões básicas em que o implante considerado "ótimo" é aquele que gera integração dos fatores material, físico, químico, mecânico, biológico e econômico (Steigenga et al, 2003;Pierrisnard et al, 2003).…”