It is the basis of tartar. It holds food substance which ferments and forms acid. It holds the acid in contact with the teeth to cause decay. Millions of germs breed in it. They, with tartar, are the chief cause of pyorrhea. Life - Página 301924Visualização integral - Acerca deste livro
| Mark Lemon, Henry Mayhew, Tom Taylor, Shirley Brooks, Francis Cowley Burnand, Owen Seaman - 1921 - 656 páginas
...beauty. It is now regarded as a potential source of most tooth troubles. Film is the basis of tartar. It holds food substance which ferments and forms acid. It holds the acid in contact with the teeth, and the acid may cause decay. A daily combatant Two effective methods have now been found to daily... | |
| 1919 - 644 páginas
...gets into crevices and stays. Remove that film and teeth will glisten in their natural whiteness. Film causes most tooth troubles. It holds food substance...the acid in contact with the teeth to cause decay. Millions of germs breed in it. They, with tartar, are the chief cause of pyorrhea. The tooth brush... | |
| 1919 - 714 páginas
...causes most tooth troubles. That film is what discolors — not your teeth. It hardens into tartar. It holds food substance which ferments and forms acid....the acid in contact with the teeth to cause decay. Millions of germs breed in it. They, with tartar, are the chief cause of pyorrhea. So that film is... | |
| 1921 - 750 páginas
...making the teeth look dingy. Film is the basis of tartar. It holds food substance which ferments ano forms acid. It holds the acid in contact with the teeth to cause decay. Millions of germs breed in it. They, with tartar, are the chief cause of pyorrhea. Combat it daily... | |
| 1919 - 1278 páginas
...troubles are now known to be due to it. The film is what discolors, not the teeth. It hardens into tartar. It holds food substance which ferments and forms acid....the acid in contact with the teeth to cause decay. Millions of germs breed in it. They, with tartar, are the chief cause of pyorrhea. And many troubles... | |
| 1921 - 974 páginas
...teeth. And nearly all teeth brushed in old ways are coated more or less. Film is the basis of tartar. It holds food substance which ferments and forms acid....the acid in contact with the teeth to cause decay. Millions of germs breed in it. They, with tartar, are the chief cause of pyorrhea. And that disease... | |
| 1921 - 882 páginas
...dims the natural luster. But it also is the cause of most tooth troubles. Film is the basis of tartar. It holds food substance which ferments and forms acid....the acid in contact with the teeth to cause decay. Millions of germs breed in it. They, with tartar, are the chief cause of pyorrhea. Must com bat it... | |
| 1923 - 1012 páginas
...stains. Then it forms dingy coats. Tartar is based on film. That's why teeth grow cloudy. Film also holds food substance which ferments and forms acid....cause decay. Germs breed by millions in film. They cause many serious troubles, local and internal. Thus film is the teeth's chief enemy. Now easy to... | |
| 1918 - 992 páginas
...did not end that fflm. That film absorbs stains and discolors. It hardens into tartar. It holds food which ferments and forms acid. It holds the acid in contact with the teeth to cause decay. Millions of germs breed in it. They, with tartar, are the chief cause of pyorrhea. Thus, nearly every... | |
| 1923 - 828 páginas
...teeth's great enemy. Film soon discolours, then forms dingy coats. That is why teeth grow cloudy. Film holds food substance •which ferments and forms acid. It holds the acid in contact with the teeth — the acid may cause decay. New methods now Dental science has in late years found •ways to fight... | |
| |