Journal of Prevention and Treatment for Stomatological Diseases ›› 2017, Vol. 25 ›› Issue (10): 641-646.doi: 10.12016/j.issn.2096-1456.2017.10.006

• Cinical Study • Previous Articles     Next Articles

Immediate repair of All-on-4 implants: a clinical retrospective study

Zejian WU1(), Yanling LI2, Zhipeng LI3, Weisheng CHEN1, Zhibin LUO3()   

  1. 1.Department of Stomatology Puning People’s Hospital Puning 515300 China;
    2. Department of Prosthodontics; Foshan Stomatological Hospital Foshan 528000 China
    3. Department of Implantology Affiliated Stomatological Hospital of Sun Yat-sen University Guangzhou 510055 China
  • Received:2016-12-30 Revised:2017-03-14 Online:2017-10-27 Published:2018-09-03

Abstract:

Objective To analyze implant survival rate and incidence rate of complications after All-on-4 implantation, and to discuss the technical points and consideration of All-on-4. Methods According to the criteria of inclusion and exclusion, 23 cases treated with All-on-4 immediate restoration were referred, from January 2007 to December 2015, including 5 cases of edentulous maxillary, 14 cases of edentulous mandibular and 4 cases of both maxillary and mandibular were edentulous. All the patients received immediate function with provisional prostheses at the surgery day. Definitive prostheses were delivered to patients after 3-6 months post operation and follow-up visits were performed up to 9 years (average 3 years) after placement of definitive prostheses. Results In this study, the rate of implant retention of 108 implants and 27 final restorations was 100% until the last review. Among the 23 patients, 3 patients had complications and the incidence of complications was 13.0%. Conclusion All-on-4 is an effective and reliable method in the treatment of dentures denture. The incidence of complications is low. All-on-4 is a practical method.

Key words: All-on-4, Dentition defect, Complication, Fixed repair, Implant

CLC Number: 

  • R783.6

Table 1

The type, length and amount of maxillary implants"

种植体类型 直径(mm) 长度(mm) 数目(个)
ZimmerTapered Screw-Vent® 3.7 8 2
3.7 13 3
3.7 16 4
4.1 16 1
4.7 10 4
4.7 16 2
Nobel Speedy® 3.3 11.5 2
3.3 13 2
4 13 2
4 15 2
NobelReplace® 3.5 13 7
4.3 10 5
合计 36

Table 2

The type, length and amount of mandibular implants"

种植体类型 直径/mm 长度/mm 数目/个
Zimmer Tapered Screw-Vent® 3.7 10 2
3.7 11.5 4
3.7 13 26
3.7 16 3
4.7 13 7
4.7 16 6
Nobel Speedy® 3.3 10 2
3.3 11.5 2
3.3 13 2
4 13 10
4 15 4
NobelReplace® 3.5 13 3
4.3 13 1
合计 72

Table 3

Subjective satisfaction assessment form of patients"

非常满意 满意 可以接受 不满 无法接受
咀嚼功能 12 8 2 1 0
美观 15 5 3 0 0
舒适 13 8 1 1 0
稳定性 16 4 3 0 0
语音功能 10 9 4 0 0

Figure 1

Typical case"

Figure 2

Typical case"

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