歯木 13-40
コモロ製 2001年(age) Tuft toothbrush donated by Mr.T.Takahashi got at Moroni, Comoros. 13-40
歯木 12-40
タイ製 2000年(age) Tuft toothbrush donated by W.Yamamoto got at Eastern north area, Thailand Local tree name is koui. 12-40 .
歯木 12-7
インド製 2000年(age) Tuft toothbrush donated by W.Yamamoto got at varanasi, India Tree name is neem. 12-7 .
歯木 11-12
サウジアラビア製 1999年(age) Tuft toothbrush donated by Mr.W.Yamamoto got at Riyadh, Saudi Arabia. Local tree name is arak.(salvadra) 11-12
歯木 11-11
ナイジェリア製 1999年(age) Tuft toothbrush donated by Mr.T.Takahashi got at Kano, Nigeria. Local tree name is atu. 11-11
歯木 11-10
カメルーン製 1999年(age) Tuft toothbrush donated by Mr.T.Takahashi got at Limbe, Cameroon. Local tree name is tree stick. 11-10
歯木 11-8
チャド製 1999年(age) Tuft toothbrush donated by Mr.T.Takahashi got at N'Djamena, Burkina Chad. Local tree name is moussouat.(salvadra) 11-8
歯木 11-9
ギニア製 1999年(age) Tuft toothbrush donated by T.Takahashi got at Malabo, Guinea. Local tree name is twlin tree. 11-9
歯木 9-22
バングラディシュ製 1997年（age) Tuft toothbrush donated by W.Yamamoto got at Dakka, Bangladesh. 9-22 (Dark color one are neem,light color one is...
歯木 8-37
スーダン製 1996年(age) Tuft toothbrush donated by Mr.T.Takahashi got at Khartoum, Sudan.
