* [[molybdenum]] is essential for building bones and teeth.
* [[Propolis]] may help fight cavities, a 2003 study from Biological & Pharmaceutical Bulletin shows. In laboratory research, scientists found that compounds found in propolis helped inhibit the growth of mutans streptococci (an oral bacteria known to contribute to the development of cavities). The study suggests that propolis may also help stop mutans streptococci from sticking to the teeth.
* Tuna : There are several researches showing that tryptophan deficiency has led to problems of bones and teeth.
== Warnings ==