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.
Paying for dental implants can be challenging, because they are also rarely covered by dental insurance plans. However, more dental plans are covering at least some of the cost of dental implants than they did about a decade ago. On average, it costs anywhere from $1500 to $2800 to replace a single tooth.The price range is so broad because there are many different factors associated with it.owever, more dental plans are covering at least some of the cost of dental implants than they did about a decade ago. On average, it costs anywhere from $1500 to $2800 to replace a single tooth.