Due to the presence of a rigid cell wall, bacteria maintain a definite shape, though they vary as shape, size and structure. When viewed under light microscope, most bacteria appear in variations of three major shapes: the rod (bacillus), the sphere (coccus) and the spiral type (vibrio). They measure about 0.25 Âµ and are the smallest cells known so far. 2  They were formerly known as pleuropneumonia-like organisms (PPLO). 3  Mycoplasma gallicepticum, with a size of approximately 200 to 300 nm are thought to be the world smallest bacteria.
Replacing 1 front tooth would cost about $50 so about $100 for 2 front teeth but the cost will vary depending upon your dentist and his experience level. To know the exact cost you must consult your dentist.
On either one of the two front teeth is from $350-600 for a front.... 0. 0. The estimated range of a root canal cost on either one of the two front teeth is from $350-600 for a front tooth, which usually has one canal.The procedure starts with the damaged tissue being removed and the hollow area filled.eeth which may cause teeth to become brittle.... 0. 0. Baby teeth are not that strong as the adult teeth and are smaller in size as compared to adult teeth. after some time, the roots of baby teeth start resorbing on eruption of permanent teeth which may cause teeth to become brittle.