Table 3 Comparing patients with MRONJ between MM stages according to each factor (sign, location, etiologic factor, BP type, treatment, and outcome) of MM

Number of patients

2

6

1

Location (%)

1

 Mandible

2 (100)

5 (83.33)

1 (100)

 Maxilla

0 (0)

1 (16.67)

0 (0)

Infection (%)

0.0476*

 Yes

0 (0)

5 (83.33)

0 (0)

 No

2 (100)

1 (16.67)

1 (100)

Etiology (%)

0.7222

 Extraction

1 (50)

3 (50)

1 (100)

 Prosthesis problem

0 (0)

2 (33.33)

0 (0)

 Periodontal problem

0 (0)

1 (16.67)

0 (0)

 Spontaneous

1 (50)

0 (0)

0 (0)

Bisphosphonate type (%)

0.25

Combination^a

2 (100)

5 (83.33)

0 (0)

 Only zoledronate

0 (0)

1 (16.67)

0 (0)

 Only pamidronate

0 (0)

0 (0)

1 (100)

Treatment^b (%)

0.6429

 Conservative

2 (100)

3 (50)

1 (100)

 Invasive

0 (0)

3 (50)

0 (0)

Outcome (%)

1

 1

1 (100)

4 (80)

0 (0)

 2

0 (0)

1 (20)

0 (0)

Duration in months

21 (17–25)

19 (11–69)

9 (9–9)

0.2992