They looked like little pieces of corn stuck in his gums . " Come on back , " said the hygienist . I got the typical how - are - you , what - grade - are - ya - going - into question bombardment . Then it was on to x - rays , cleaning , scraping with the hook thing , sanding , flossing , and the sealer thing .

Generate a question about the above context.
What doctor may he have just seen ?
Available options: [-] A pediatrics [-] A dentist [-] A cardiologist [-] A oncologist