Aim The goal of this study was to evaluate how early loading of dental implants, both functional and non‐functional, can affect the stability of the implants, marginal bone resorption after 1 year of follow‐up. Material and Methods The research sample consisted of 24 implants placed on patients aged between 21 and 62 years (the mean age 51 years). Implants were placed at one surgical stage in the posterior area of the mandible. Then implants were loaded early after 6 weeks of implantation. The sample was divided randomly into two equal main groups according to loading types, 12 implants in the early functional loading (EFL) group and 12 implants in the early non‐functional loading (ENFL) group. The implant stability quotient was registered using Osstell Mentor at the implant placement procedure and after 6 and 12 weeks. The mean marginal bone loss around the implants was measured using the periapical radiographs after 3 and 12 months. The mean values were calculated and statistically analysed using the two‐sample t‐test with 95%confidenence interval p < 0.05). Result The mean values of implant stability quotient (ISQ) were 72.91–73.87–76.75 in the EFL and 71.91–73.91–76.66 in the ENFL, at the implant placement procedure and 6, 12 weeks respectively. There was no statistically significant difference (p < 0.05) between the two groups. At the 12‐month post‐loading follow‐up, the mean marginal bone loss was 0.698 for the EFL group and 0.683 for the ENFL group. There was no statistically significant difference (p < 0.05) between the two groups. The implant survival rate was 100% in both groups, and there was no complication during the follow‐up period. Conclusions This study showed that there is no difference in the implant stability quotient (ISQ) and bone loss between the early functional loading group and the early non‐functional loading group.
The repair and reconstruction of defects in the craniomaxillofacial region can be particularly challenging due to the complex anatomy, individuality of each defect, and sensitivity of the involved systems. This study aims to enhance the facial appearance and contribute to the reconstruction of the zygomatic arch. This was achieved through virtual planning of the surgery and assessment of clinical matching, including orbital measurements and registration of numerical models. A three-dimensional design of a young female case was generated on a skull model using Mimics® software, and the orbit was isolated using 3-Matic® to assess the reconstructive effect. 3D-printed implants were then surgically placed on the injured region, and Netfabb® software was used to make a virtual registration between the numerical models before and after the intervention. This allowed for the calculation of a deviation of 7 mm, equivalent to 86.23% of the shape restoration rate, to assess the success of the surgery. The computerized method enabled a precise design of the needed plates and analysis of the fixation places, resulting in a satisfactory cosmetic and functional outcome for the patient with minimal complications and good implant stability. Notably, a significant difference was observed in the orbital frontal area after 3 months of surgery (p < 0.001). Within the limitations of the study, these results suggest that virtual planning and customized titanium implants can serve as useful tools in the management of complex zygomatic-orbital injuries.
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