Fakultas Kedokteran Gigi. Universitas Indonesia,
Majalah, Jurnal, Buletin
Marya, CM, author
Jaypee Brothers Medical , 2011
Buku Teks
Kulacz, Robert
[publisher not identified], 2002
Buku Teks
Husna Abbas, Nooral Zeila Junid, Khairiyah Abdul Muttalib, Rohana Mohd Johari
Ministry of Health, 2001
Buku Referensi
World Health Organization, 1978
Buku Teks