Evaluation of volume changes following lateral window maxillary sinus floor elevation using Minics software

Zhang, Hanfei; Hu, Huiting; Liu, Cong; Ye, Yingxin; Rong, Mingzhe; Yang, Yong

doi:10.21037/atm-22-3110

Cited by 2 publications

(1 citation statement)

References 26 publications

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“…The sinus ostium is located on the medial wall of the maxillary sinus, and the airflow through the open ostium causes the movement of the maxillary sinus mucosa. Different bone graft sites in the sinus are subjected to varying continuous air pressures, ultimately influencing the healing and structure of the bone graft materials [42]. Franceschetti et al [43] found no statistically significant differences in bone graft materials resorption among different tooth positions.…”

Section: Bone Graft Site Analysismentioning

confidence: 99%

Resorption Rates of Bone Graft Materials after Crestal Maxillary Sinus Floor Elevation and Its Influencing Factors

Jing,

2024

JFB

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The aim of this study is to analyze the resorption rate of bone graft materials after crestal sinus floor elevation, study its influencing factors, and improve the long-term success rate of implants after crestal maxillary sinus floor elevation. Measurement and analysis were conducted at six postoperative timepoints (0 months, 6 months, 12 months, 18 months, 24 months, and 30 months) using cone beam computed tomography (CBCT) data on 31 patients from the Chenghuaxinguanghua Dental Clinic who underwent crestal maxillary sinus floor elevation, involving 38 graft sites. The materials resorption rates of the bone graft height (BH) and bone graft width (BW) were assessed. BH and BW resorption rates followed the same trend (p = 0.07), with BH and BW resorption rates decreasing with time (rBH = −0.32, p < 0.01; rBW = −0.18, p < 0.01), and were maximal in the 0–6 month interval, with BH and BW resorption rates of 3.42%/mth and 3.03%/mth, respectively. The average monthly BH and BW resorption rates in the 6–12 month interval rapidly decreased to 1.75%/mth and 1.29%/mth, respectively. The monthly BH and BW resorption rates in the 12–30 month intervals stabilized at 1.45%/mth (p > 0.05) and 1.22%/mth (p > 0.05), respectively. The higher the initial bone graft height (BH0), the lower the BH resorption rates (rBH = −0.98, p < 0.05), and the BW resorption rate was different for different graft sites (p = 0.01). The resorption rates of bone graft materials implanted through crestal maxillary sinus floor elevation decreased rapidly within the first 12 months post operation and remained stable after 12 months. BH0 was identified as a significant factor influencing the resorption rates of bone graft materials. These results could suggest dentists should pay attention to the trend of resorption rates over time and carefully manage the initial height of bone grafts and inspire the research of new bone grafting materials for crestal maxillary sinus floor elevation.

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Section: Bone Graft Site Analysismentioning

confidence: 99%

Resorption Rates of Bone Graft Materials after Crestal Maxillary Sinus Floor Elevation and Its Influencing Factors

Jing,

2024

JFB

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Maxillary sinus augmentation via the bone lid technique: A prospective, radiographic case series

Rossana,

Chiara,

Marco

et al. 2024

Clin Adv Periodontics

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BackgroundMaxillary sinus augmentation is one of the most performed procedures to increase the bone quantity of the atrophic maxilla to allow implant placement. The aim of the present case series was to describe a surgical protocol to perform maxillary sinus augmentation with the “bone lid technique,” and its outcomes in a cohort of patients eligible for the procedure.MethodsAfter the initial clinical evaluation, a cone‐beam computed tomography (CBCT) examination was performed for preoperative assessment. Patients were then scheduled for surgical intervention. At 6–9 months follow‐up, patients underwent a second CBCT scan to evaluate bone height following bone graft and to schedule implant placement.ResultsA total of 11 patients were enrolled in the study with a total of 13 sinus lift procedures. Membrane perforation was registered in 4 cases (30.76%). Mean surgical time was 67.69 min (SD 6.51). Postoperative period was uneventful in all patients, in the absence of complications. The mean graft volume increase was 2.46 cm3 (SD 0.85), and the mean height increase was 14.27 mm (SD 3.18). Mean membrane thickness was 1.40 mm (SD 0.75). In all the 4 cases with sinus membrane perforation, the membrane had a thickness lower than 1 mm.ConclusionsThe present study highlights that the maxillary sinus augmentation with bone lid repositioning could provide repeatable results in terms of bone height increase. The technique appears reliable both in terms of bone gain and absence of complications.Key points The bone lid technique for maxillary sinus augmentation provides repeatable results in terms of bone height increase. The favorable clinical outcomes can be related to an enhancement of bone formation due to the unique osteoconductive and osteoinductive properties of autogenous bone, along with a reduction of soft tissue ingrowth. Complications were not observed in any of the patients following the surgical procedures. The risk of Schneiderian membrane perforation is inversely proportional to membrane thickness; the thinner the membrane is, the higher the risk to perforate it.

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Evaluation of volume changes following lateral window maxillary sinus floor elevation using Minics software

Cited by 2 publications

References 26 publications

Resorption Rates of Bone Graft Materials after Crestal Maxillary Sinus Floor Elevation and Its Influencing Factors

Resorption Rates of Bone Graft Materials after Crestal Maxillary Sinus Floor Elevation and Its Influencing Factors

Maxillary sinus augmentation via the bone lid technique: A prospective, radiographic case series

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