Hometooth decay The role of teeth in the jaw in the occurrence of caries.. Toothpaste helps to accumulate food waste and bacteria Toothpaste and irregularity helps to accumulate food waste and bacteria, which increases the likelihood of decay. Facebook Twitter Share:The role of teeth in the jaw in the occurrence of caries.. Toothpaste helps to accumulate food waste and bacteria Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email