1. Chronic cheek ulcer caused by odontogenic cutaneous sinus tract
Tomoya Sato, Shigeru Ichioka 
JPRAS Open 
Volume 4, Pages (June 2015)
DOI: /j.jpra
Copyright © 2015 The Authors Terms and Conditions

2. Figure 1
(a) Intractable chronic wound on the right cheek. (b) Sinus tract extending from the wound to the upper alveolar bone.
JPRAS Open 2015 4, 22-25DOI: ( /j.jpra )
Copyright © 2015 The Authors Terms and Conditions

3. Figure 2
Computed tomography revealed a radiolucent area in the periapical region.
JPRAS Open 2015 4, 22-25DOI: ( /j.jpra )
Copyright © 2015 The Authors Terms and Conditions

4. Figure 3 Purulent drainage extruded from the gingival sulcus.
JPRAS Open 2015 4, 22-25DOI: ( /j.jpra )
Copyright © 2015 The Authors Terms and Conditions