| Surgical therapy | Advantages | Disadvantages |
|---|---|---|
| Submandibular duct relocation | No external scar | Duct relocation is an uncommon procedure |
| Low incidence of ranula with sublingual gland excision | ||
| Potential for anterior dental caries | ||
| Without sublingual gland excision, patient may develop ranula | ||
| Potential for aspiration | ||
| Submandibular gland excision | Very good control of sialorrhea | External scar |
| Commonly performed procedure | Potential for dental caries | |
| Parotid duct relocation | Redirects flow in the stimulated state | Risk of sialocele |
| Potential for aspiration | ||
| Relocation is uncommon procedure | ||
| Parotid duct ligation | Simple, fast procedure | Risk of sialocele |
| Decreases flow in the stimulated state | ||
| Transtympanic neurectomy | Technically easy, fast procedure | Predictable return of salivary function Requires multiple procedures |
| Does not require general anesthesia | ||
| Useful in elderly patients |