The upper first premolar has Mesial Marginal Developmental Groove in its mesial aspect. It also has long central groove and no supplement groves on its occlusal surface.Also 80% of the upper premolars have 2 roots. However, the upper second premolar has no MMDG and many supplemental groves. Upper second premolar is more rounded and usually has one conical root.
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how many canals in spain
Venice has many ruins or canals?
Bicuspid teeth, also known as premolars, typically have two or more points called cusps. Most human bicuspids have two distinct cusps, although some may have additional minor cusps. The first premolar usually has two cusps, while the second premolar can have two or sometimes three, depending on the individual variation.
There are 40-45 canals in Singapore
there ur 896,567 canals in the world
There are 177 canals in Venice, Italy.
Canada has a network of over 1,600 canals. Many of these canals are part of the historic Rideau Canal system which is a UNESCO World Heritage Site.
Venice has over 150 canals and over 400 bridges
- 45 main canals - About 120, 000 tertiary channels.
"In the north of where?" Here, in Britain, we have many roads and canals in the north.