What causes calcium build-up in teeth?

Calculus: Is the term for a harder (than plaque) deposit that many people get on their teeth. This should be scraped off in periodic dental cleanings. The cause is the continual accumulation of minerals from saliva on plaque on the teeth. Its rough surface provides an ideal medium for further plaque formation, threatening the health of the gingiva (gums).

Sometimes even the: Best hygiene can result in tartar formation. My personal recommendation for my patients is using a braun triumph mechanical toothbrush and waterpik. Toothbrushing is two times per day 2 minutes minimum; waterpik is at night (inside and out of teeth) prior to brushing. Hope this helps.