coliform bacteria. Coliforms Microbiology Any of a number of small, gram-negative, rod-shaped, facultative anaerobic bacteria which are used to monitor water pollution by feces.
Gum disease treatment costs may be as little as $500, or as much as $10,000, depending on the severity of the disease. The cost for a regular dental prophylaxis averages between $30 and $75, while the average cost for periodontal scaling and root planing is between $140 and $210.
Because the initial cost of laser eye surgery can seem high when compared to the cost of a three-month supply of contact lenses or new eyeglasses, many patients choose not to undergo these procedures. On average, conventional PRK eye surgery costs about $1,800 and custom PRK eye surgery can cost up to $4,000.However, the procedure has the potential to permanently improve your vision and eliminate your dependency on glasses and contact lenses. 1  RELATED: Find a qualified eye doctor in your area.n average, conventional PRK eye surgery costs about $1,800 and custom PRK eye surgery can cost up to $4,000. However, the procedure has the potential to permanently improve your vision and eliminate your dependency on glasses and contact lenses. 1  RELATED: Find a qualified eye doctor in your area.