what is superior buccal sulcus
Cancers of the superior gingivalâbuccal complex comprise cancers in the upper gingiva, including upper alveolar (ridge) mucosa (ICD-10; C03.0); the upper gingivalâbuccal sulcus or vestibule of the mouth (ICD-10; C06.1) and the upper part of the buccal mucosa (ICD-10; C06.0).omputed tomography scan showing squamous cell carcinoma of superior gingivalâbuccal complex involving upper alveolus, superior vestibule and upper part of buccal mucosa in axial (A) and coronal (B) sections.