Table 1.

Distribution of predisposing factors

Predisposing factors	n	%
Single predisposing factor	13	31.0
Only gastric surgery	4	9.5
Only persimmon consumption	3	7.1
Only mastication problems	3	7.1
Only diabetes mellitus	2	4.8
Trichotillomania	1	2.4
Multiple predisposing factors	23	54.7
Gastric surgery + persimmon consumption	3	7.1
Gastric surgery + diabetes mellitus	3	7.1
Gastric surgery + mastication problem	3	7.1
Gastric surgery + mastication problem + persimmon consumption	3	7.1
Gastric surgery + mastication problem + diabetes mellitus	2	4.8
Persimmon consumption + mastication problem	3	7.1
Persimmon consumption + diabetes mellitus	2	4.8
Mastication problem + diabetes mellitus	1	2.4
Diabetes mellitus + antacid drug	1	2.4
Persimmon consumption + antacid drug	1	2.4
Mastication problem + antacid drug + persimmon consumption	1	2.4
No predisposing factor	6	14.3