Journal of Oral Science Research ›› 2020, Vol. 36 ›› Issue (3): 298-301.DOI: 10.13701/j.cnki.kqyxyj.2020.03.025

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Evaluation of Screw-tent Technique for Dental Implants in the Upper Anterior Region with Continuous Adjacent Teeth Missing

GUO Yudong1*, ZHOU Lian2   

  1. 1. Department of Implantology, Jianli Stomatology Hospital of Dongguan, Dongguan 523000, China;
    2. Department of Orthodontics, Jianli Stomatology Hospital of Dongguan, Dongguan 523000, China
  • Received:2019-03-13 Online:2020-05-15 Published:2020-05-15

Abstract: Objective: To evaluate the clinical effect of screw-tent technique for dental implants in the upper anterior region with continuous adjacent teeth missing. Methods: Screw-tent technique was used in 9 patients with severe atrophic alveolar ridge in the upper anterior regions,followed with implants placement 6 months later. The final restorations were made 6 months later. The patient had been followed periodically for 12 months to evaluate the clinical outcomes. Results: A total of 21 implants were implanted in 9 patients without implant loose or lost. The widths of alveolar ridge were (2.41 +0.49) mm before operation, (8.27 +0.79) mm 6 months after bone augmentation, and (7.74+0.52) mm 12 months after restoration. There was significant difference between them (P<0.05). Conclusion: Screw-tent technique was a predictable method to augment alveolar ridge in partial edentulous cases with continuous adjacent teeth missing and severe resorbed ridges. However, long-term clinical outcomes remain to be observed.

Key words: screw-tent technique, bone angmentation, upper anterior, guide bone regeneration