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Table 2 Demographic and examination data for patients diagnosed with peri-implantitis and treated with surgery

From: Survival analysis of implants after surgical treatment of peri-implantitis based on bone loss severity and surgical technique: a retrospective study

Patients, n

101

 Mean age ± SD (range), years

68.2 ± 10.6 (40–92)

 Gender, n (%)

 

  Male

56 (55.4)

  Female

45 (44.6)

 Smoking habits, n (%)

22 (21.8)

 Systemic diseases, n (%)

72 (71.3)

Implants, n

266

 Jaw, n (%)

 

  Maxilla

139 (52.2)

  Mandible

127 (47.8)

 Location, n (%)

 

  Anterior (incisor-1st premolar)

58 (21.8)

  Posterior (2nd premolar-3rd molar)

208 (78.2)

 Type and number of implants (%)

 

  Internal connection (Bone level)

108 (40.6)

  Internal connection (Tissue level)

15 (5.6)

  External connection

42 (15.8)

  Other

17 (6.4)

  Unknown*

84 (31.6)

 Accompanied technique during implant placement, n (%)

 

  None

26 (9.8)

  GBR (without sinus elevation)

113 (42.6)

  Sinus elevation

47 (17.7)

  Unknown*

80 (30.1)

 Method of implant placement, n (%)

 

  Non-submerged (1 stage)

42 (15.8)

  Submerged (2 stage)

138 (51.9)

  Unknown*

86 (32.3)

 Types of prosthesis, n (%)

 

  Single

23 (8.6)

  Bridge

232 (87.2)

  Full-mouth fixed hybrid prosthesis

8 (3.0)

  Overdenture

3 (1.1)

 Months from 1st surgery to prosthesis delivery date, mean ± SD

6.8 ± 3.5

  1. * Data of the implants not placed in Seoul National University Bundang Hospital were unattainable and marked as unknown; SD, standard deviation