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Updated: Feb 2, 2026

Real-Time Dynamic Navigation System for the Precise Quad-Zygomatic Implant Placement in a Patient with a Severely Atrophic Maxilla
Published on: October 18, 2021
[Clinical evaluation of short implants in atrophic posterior region]
Jia Zhang1, Huan-Huan Jiang, Jiang Shang
1Yantai Stomatological Hospital Affiliated to Binzhou Medical University. Yantai 264000, Shandong Province, China.
Purpose:
To evaluate the clinical effect of short implants in atrophic posterior region.
Methods:
A total of 38 Bicon short implants (≤8 mm) were placed in 30 patients with 3-10 mm of bone height in the posterior region from January to December 2012. The follow-up period was 4 years, radiographic, clinical examination(improved plaque index, improved bleeding index, probing depth)were conducted and patient satisfactions were investigated with Oral Health Impact Profile (OHIP-I). Statistical analysis was performed using SPSS17.0 software package.
Resules:
Implant survival rate of short implants was 100% and implant success rate was 94.7%. The mean peri-implant bone resorption value was (0.25±0.65) mm,the change of mesial and distal marginal bone was (-0.23±0.74) mm and (-0.27±0.59) mm, respectively. Crown to implant ratio (C/I)= 1.77±0.34, the implants were divided into 3 groups according to C/I≤1,1
Conclusions:
Short implants are feasible and the success rate is high in the posterior region with insufficient bone height. The soft tissue around the short implants is in good health.While avoiding complex surgical procedures, reducing trauma, shortening the duration of treatment,short implants have a high degree of acceptance and the patient satisfactions are excellent.At the same time, regular preventive maintenance is important to maintain the long-term stability of implant dentures.
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