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Sequence of teeth eruption?
Primary (baby) teeth: A. the 2 lower central incisors +4 upper incisors B. upper and lower first molars (bicuspids) C. upper and lower cuspids (canine) D. upper and lower second molars Secondary (adult) teeth: A. upper and lower central incisors and first molars B. upper and lower lateral incisors C. upper and lower molars (bicuspids) D. upper and lower second molars E. upper and lower third molars (about 18 years old) Why? The theory is that the periodontal ligament provides the main way with the shrinking and cross-linking of collagen fibers.
Does a giraffe have incisors on both upper and lower jaws?
As with cattle and other ruminants, giraffes have NO upper incisors or canines. There is a dental pad on top in front that works with the lower incisors. Further towards the rear, there are the molars for grinding.
Do bulls have upper and lower teeth?
Bulls, like all cows, have upper and lower premolars and molars. However, they only have lower incisors - the upper incisors have been lost through evolution and replaced with a tough dental pad.
Do cow have deciduous teeth?
Yes with the molars. But cows do not have upper incisors, just lower incisors.
How many incisors do adult humans have?
Adult humans have a total of 8 incisors - 4 on the upper jaw and 4 on the lower jaw.
Which teeth do rodents depend on heavily?
Incisors. Rodents have two upper incisors and two lower incisors. They grow continuously and must be kept short by gnawing. They are very sharp. They help rodents crack into nuts.
How many incisors are in the upper jaw of a rabbit?
There are approximately Two Incisors in the upper jaw of a Rabbit
What is the difference between a cow's teeth and a humans teeth?
Cows don't have upper incisors nor canines. Incisors on the lower jaw are pointed more outward than humans are, and the molars on both the bottom and upper jaw are flatter. Cows do not have canines.
Do buffalo have incisors on their upper jaws?
No.
Do conical upper incisors exist?
No.
How many upper incisors does a 5 year old cow have?
A 5-year-old cow typically has 8 upper incisors. These incisors are helpful in determining the age of the cow based on their growth and wear pattern.
How many upper incisors do ruminants have?
Ruminants lack upper incisors. What they do have is a hard pad which they grind their food or regurgitated food against.
