Overview
Trial design: a randomized controlled trial.
Eligibility criteria for participants: patients with primary early stage oral squamous cell carcinoma. Exclusion criteria: cancer of the floor of the mouth.
Interventions: submandibular gland is preserved during neck dissection for patients of the experimental group; submandibular gland is removed during neck dissection for patients of the control group.
Primary Parameters: survival rate, mortality rate
Eligibility
Inclusion Criteria:
Primary oral squamous cell carcinoma of early stage (T1N0 and T2N0).
Exclusion Criteria:
Cancer of the floor of the mouth.