title: Transoral removal of submandibular hilar stone and sialodochoplasty.
abstract: OBJECTIVE
  To evaluate the efficacy of intraoral stone removal and sialodochoplasty in 59 patients with hilar submandibular stones.
  
  
  METHODS
  Prospective, randomized, controlled study.
  
  
  METHODS
  Fifty-four patients underwent complete stone removal without significant complications, and five had unsuccessful removal of stones. The 54 patients with successful stone removal were randomized to additional sialodochoplasty (n = 28) or not (n = 26). Salivary scintigraphy was performed before and 6 months after surgery.
  
  
  RESULTS
  Salivary secretory function of the affected gland was less than that of a normal gland but returned to normal after stone removal. Symptom recurrence and recovery of salivary gland function were not affected by sialodochoplasty; rather, they were affected by successful removal of the stones.
  
  
  CONCLUSIONS
  Hilar submandibular stones can be transorally removed with high success rate, low-level risk, and substantial recovery of gland function. Sialodochoplasty may have no effect in preventing symptom recurrence.
authors.affiliation: Department of Otolaryngology, Asan Medical Center, University of Ulsan College of Medicine, Songpa-Gu, Seoul, Republic of Korea. rohjl@amc.seoul.kr <rohjl@amc.seoul.kr>
authors.forename: Jong-Lyel
authors.initials: JL
authors.lastname: Roh
authors.forename: Chan Il
authors.initials: CI
authors.lastname: Park
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D016022:Case-Control Studies; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D019647:Oral Surgical Procedures / Q000379:methods*; D011446:Prospective Studies; D011877:Radionuclide Imaging; D015494:Salivary Gland Calculi / Q000000981:diagnostic imaging / Q000601:surgery*; D018709:Statistics, Nonparametric; D013364:Submandibular Gland Diseases / Q000000981:diagnostic imaging / Q000601:surgery*; D017211:Treatment Failure; D016896:Treatment Outcome