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<p>The aim of this in-vitro study was to compare the primary stability and bone quality changes of three milling systems for implants. Osteotomies were performed on fresh, low-density bovine ribs using three different milling techniques for the Strong SW implant system: conventional drilling according to the manufacturer’s protocol (control), osseodensification, and bone expander (n = 5 per group). Prior to implant insertion, bone quality at the cervical, body, and apical regions was assessed using micro-computed tomography. Implants were then placed at the bone level, and primary stability was evaluated by measuring insertion torque with a digital torque meter. Bone quality and insertion torque values were statistically analyzed using one-way ANOVA followed by Tukey’s multiple comparison test (<i>p</i> = 0.05). There were no statistically significant differences between the cervical, body, and apical regions, as well as among the implant groups SIN, VERSAH, and MAXIMUS (<i>p</i> &lt; 0.05). Furthermore, the insertion torque of the SIN group (35 ± 21.5 N/cm), VERSAH group (43.2 ± 27.1 N/cm), and MAXIMUS group (59.6 ± 28.5 N/cm) also showed no statistically significant differences (<i>p</i> &lt; 0.05). These findings suggest a similarity in bone microarchitecture and insertion strength among the different implants studied. The three milling techniques demonstrated comparable performance, showing no significant differences in bone microarchitecture or primary stability. These results indicate that all systems provided similar conditions for implant insertion in low-density bone.</p>

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In vitro evaluation of different implant systems and their influence on primary stability

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月9日

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  • Osmar de Agostinho Neto,
  • João Victor Frazão Câmara,
  • Anton Schestakow,
  • Amanda de Oliveira Pinto Ribeiro,
  • Tamara Teodoro Araujo,
  • Bruno Salles Sotto-Maior

摘要

The aim of this in-vitro study was to compare the primary stability and bone quality changes of three milling systems for implants. Osteotomies were performed on fresh, low-density bovine ribs using three different milling techniques for the Strong SW implant system: conventional drilling according to the manufacturer’s protocol (control), osseodensification, and bone expander (n = 5 per group). Prior to implant insertion, bone quality at the cervical, body, and apical regions was assessed using micro-computed tomography. Implants were then placed at the bone level, and primary stability was evaluated by measuring insertion torque with a digital torque meter. Bone quality and insertion torque values were statistically analyzed using one-way ANOVA followed by Tukey’s multiple comparison test (p = 0.05). There were no statistically significant differences between the cervical, body, and apical regions, as well as among the implant groups SIN, VERSAH, and MAXIMUS (p < 0.05). Furthermore, the insertion torque of the SIN group (35 ± 21.5 N/cm), VERSAH group (43.2 ± 27.1 N/cm), and MAXIMUS group (59.6 ± 28.5 N/cm) also showed no statistically significant differences (p < 0.05). These findings suggest a similarity in bone microarchitecture and insertion strength among the different implants studied. The three milling techniques demonstrated comparable performance, showing no significant differences in bone microarchitecture or primary stability. These results indicate that all systems provided similar conditions for implant insertion in low-density bone.