Visual Encyclopedia

Human tooth

The human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. Humans have four types of teeth: incisors, canines, premolars, and molars, each with a specific function. The incisors cut the food, the canines tear the food and the molars and premolars crush the food. The roots of teeth are embedded in the maxilla (upper jaw) or the mandible (lower jaw) and are covered by gums. Teeth are made of multiple tissues of varying density and hardness.

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Don't forget to floss

I floss before I brush because it seems counterproductive to floss out the same stuff you just finished brushing away....

Contributed by Beth Wiecher

Proper brushing technique

In order to be effective you must brush for a FULL 2 MINUTES.....time yourself, most people brush for 30 seconds but a standard commercial break is 2 min 2 sec so if brush thru the whole commercial break then you know you have brushed long enough

Contributed by Beth Wiecher

Periodontal Disease

think of it this only need to brush AND FLOSS the teeth you want to KEEP!

Contributed by Beth Wiecher

Periodontal or Gum Disease

Cavities are not the only reason why meticulous home care and regular professional cleanings are important

Contributed by Beth Wiecher


Enamel is made of hydroxyapetite crystals; early stage cavities where only partial demineralization has occurred can be arrested by applying fluoride. The ion exchange between partially demineralized hydroxyapetite crystals and fluoride forms fluorapetite crystals which is highly resistant to the cavity forming acid which stops the current cavity process as well as helps prevent future cavitites

Contributed by Beth Wiecher

Dental Caries

more commonly known as cavities or tooth decay

Contributed by Beth Wiecher


Cavities, or dental caries, is the most infectious disease in the history of mankind; Streptococcus mutans are the causative bacteria which must be acquired (not normal oral bacterial flora)and the only bacteria capable of adhering to the smooth enamel surfaces of teeth by forming colonies within a biofilm, commonly known as plaque. The acid formed by bacterial fermentation sugar lasts approximately 20 min which causes demineralization of tooth enamel resulting in cavities.

Contributed by Beth Wiecher

It shows you the structure of the teeth.

Contributed by Gnay Buuynnej

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