Submaxillary calculi can be visualized by X-ray in:: (A) 20% cases, (B) 50% cases, (C) 60% cases, (D) 80% cases
Answer is D. 80% of all salivary stones occur in the submanidbular glands because their secretions are highly viscous. 80% of submandibular stones are radiopaque and can be identified on plain radiograph.