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there are no premolars in primary dentition
Deciduous are commonly known as baby teeth. Permanent are adult teeth
Humans usually have 20 deciduous teeth. These teeth will start falling out around age 6, and are later replaced with a permanent dentition.
The canine teeth are the smallest ones in the permanent dentition. The other types of teeth are incisors, premolars and molars.
In humans, there are two premolars per quadrant, making eight premolars total in the mouth.
Humans, and most mammals, have four classes of teeth: incisors, canines, premolars and molars. Full adult dentition includes 8 premolars: 4 each on top and bottom, two on each side. If you count from the center of your front teeth, there will be two incisors, one canine, two premolars and three molars (two if wisdom teeth are not present). Premolars are classified as bicuspids, meaning that they have two cusps, or raised chewing surfaces.
Permanent dentition begins with the eruption of the first permanent molars.
Humans typically have 20 monophyodont teeth. These are the deciduous or baby teeth, which are eventually replaced by permanent teeth.
succedaneous teeth are any permanent teeth replacing a deciduous teeth.they are the permanent incisors, cuspids and premolars replacing the deciduous incisors, cuspids and molars respectively.
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1-The primary dentition is smaller in size than secondary dentition,except mesiodistal length of molar about 1/3 bigger than premolars. 2-Primary dentition is bluish,white and more opaque than secondary. 3-Primary dentition have more pronounced cervical margin. 4-Crowns of the anterior primary dentition are more bulbous,pronounced labial cingulum. Dr. Abdulwahab Al-kandari