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Table 4 Treatment characteristics

From: Survival of conventional dental implants in the edentulous atrophic maxilla in combination with zygomatic implants: a 20-year retrospective study

Characteristics n (%)
Surgeon experience (in years)
 < 5 years 22 (30.6)
 5–10 years 19 (26.4)
 ≥ 10 years 31 (43.0)
Loading
 Immediate 5 (6.9%)
 Delayed 67 (93.1)
Number of anterior implants
 2 21 (29.2)
 3 10 (13.9)
 4 41 (56.9)
Type of prosthesis
 Fixed prosthesis 44 (61.1)
 Overdenture 28 (38.9)