Oral Medicine · Specialist Guide
Salivary Gland Stones (Sialolithiasis) — Symptoms & Treatment
A salivary gland stone is a calcified mass that obstructs the salivary duct, producing painful gland swelling that worsens at meal times. The submandibular gland is involved in about 80% of cases. Diagnosis is by clinical history, palpation, and ultrasound or CBCT imaging; treatment ranges from conservative measures through interventional sialendoscopy to surgical removal.
Medically reviewed by
Dr. Bipin R. Upadhyay
BDS · MDS Oral Medicine & Radiology · PhD Scholar · Associate Professor & Head, Department of Dentistry
Last clinically reviewed: 2026-06-10
- Most affected gland
- Submandibular (80%) > parotid (15%)
- Hallmark symptom
- Painful gland swelling at meal times ("mealtime syndrome")
- Imaging of choice
- Ultrasound or CBCT (most stones radio-opaque)
- Modern minimally invasive option
- Sialendoscopy
Symptoms to watch for
Causes & risk factors
- Salivary stasis and calcium deposition
- Dehydration
- Chronic gland inflammation
- Anticholinergic medications
- Possible association with hypercalcaemia (rare)
Diagnosis
A combination of bimanual palpation, ultrasound and CBCT identifies the great majority of stones. Sialography and sialendoscopy add detail for difficult cases.
Treatment
Treatment depends on stone size, location, and gland viability.
- Hydration, sialogogues (sour candies), warm compresses, gland massage for small stones
- Manual / intra-oral surgical retrieval for stones close to the orifice
- Sialendoscopy for intraductal stones
- Extracorporeal shock-wave lithotripsy in selected centres
- Gland excision for recurrent symptomatic disease with parenchymal damage
- Antibiotics for superimposed acute sialadenitis
Why the submandibular gland is most affected
Submandibular saliva is more alkaline, calcium-rich and mucinous than parotid saliva, and Wharton's duct travels uphill against gravity — all conditions that favour stone formation. That is why ~80% of salivary stones lodge here.
Conservative measures that actually shift small stones
Most stones <4 mm near the duct opening pass with structured conservative care: 2 litres of water daily, sucking on sour citrus drops every 2 hours to drive flow, gentle external massage from the gland toward the orifice, warm compresses, and avoiding anticholinergic drugs where possible. A 2-week trial is reasonable before intervention.
When to refer for sialendoscopy
Sialendoscopy is a minimally invasive gland-preserving option for intraductal stones that do not pass with conservative care, recurrent obstructive sialadenitis, and stones beyond manual reach. It avoids gland excision in the great majority of suitable cases.
See a specialist if you have any of these
- Painful swelling with fever and pus (acute infection)
- Persistent gland swelling without meal-time relation (think tumour)
- Facial nerve weakness on the same side (think parotid malignancy)
Frequently asked questions
Will my stone pass on its own?
Small stones near the duct opening often pass with hydration, sour stimulation and massage. Larger or deeper stones need intervention.
Is sialendoscopy available in India?
Yes, in selected tertiary centres. It is a gland-preserving option that avoids surgical excision in most intraductal stones.
Can I drink water to dissolve the stone?
Hydration does not dissolve calcified stones, but it improves salivary flow and helps small stones move along the duct.
Is a stone the same as a salivary gland tumour?
No. A stone causes intermittent, meal-related swelling. A tumour causes persistent, non-fluctuating swelling and may involve the facial nerve in parotid disease. Persistent swelling deserves imaging and possibly biopsy.
Can stones recur after removal?
Yes — particularly if there is underlying ductal damage or persistent dehydration. Lifelong hydration and periodic review are sensible.
Do I need antibiotics?
Only if there is acute infection (fever, pus, hot tender swelling). Most uncomplicated stones do not need antibiotics.
Where can I get a salivary gland stone evaluated in Mumbai?
Dr. Bipin R. Upadhyay evaluates salivary gland disease with ultrasound and CBCT at K.J. Somaiya Super Speciality Hospital, Sion (Mumbai) and at Reasonable Smile Dental Clinics, Ambarnath, and coordinates sialendoscopy / surgical referral when needed.
Specialist care for Sialolithiasis in Mumbai & Ambarnath
Dr. Upadhyay reviews sialolithiasis at K.J. Somaiya Super Speciality Hospital, Sion (Mumbai) and Reasonable Smile Dental Clinics, Ambarnath. Patients from outside the MMR are seen first by teleconsultation.
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