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Table 2 Dental status before starting radiotherapy

From: Dental status, dental rehabilitation procedures, demographic and oncological data as potential risk factors for infected osteoradionecrosis of the lower jaw after radiotherapy for oral neoplasms: a retrospective evaluation

Teeth (n=)

Mean value

Minimum value

Maximum value

Data available from n patients

Absent

22.0

0

32

89

Present

10.1

0

32

89

Carious

2.0

0

21

85

Destroyed

1.4

0

21

87

Loose

1.6

0

13

84

Root remainders

0.3

0

5

87

Devital

0.5

0

4

86

Roots – filled completely

0.2

0

2

84

Roots – filled incompletely

0.3

0

4

85

Apical periodontitis

0.3

0

4

86

Cysts

0.2

0

3

85

Retained

0.2

0

2

84

Conservative treatment possible

5.8

0

30

88

No conservative treatment possible

4.3

0

25

88

Filled

2.3

0

20

82

Not sufficiently filled teeth

0.8

0

11

82

Teeth with not sufficient crowns

0.2

0

2

82

Item

Number of patients (%)

  

n=

Chronic periodontitis with less to moderate attachment loss

 Localized

7 (8%)

   

 General

9 (11%)

  

85

Chronic periodontitis with severe attachment loss

87

 Localized

12 (14%)

   

 General

35 (40%)

   

Biofilm

   

53

 None

1 (2%)

   

 Moderate

21 (42%)

   

 Intense

30 (56%)

   

Dental calculi and subgingival concrements

53

 None

1 (2%)

   

 Moderate

22 (42%)

   

 Intense

30 (56%)

   

Dental hygiene

   

54

 Good

3 (6%)

   

 Poor

21 (39%)

   

 Not sufficient

30 (55%)

   
  1. n=: data of n patients available.