KERALA PSC / CDPO / BIOLOGY / TEETH / NOTES /
OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC
PRELIMINARY
KERALA PSC / CDPO / BIOLOGY / TEETH / NOTES /
OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC
PRELIMINARY
·
There
are 20 milk teeth in human body
·
A
full set of permanent teeth consists of 32 teeth
·
The
hardest material found in human body is enamel.
·
Milk
teeth appear by the age
of 7 months and are 20 in number
·
Adult
teeth: Milk teeth drop
and 32 permanent teeth begin to replace them from the 6th year
onwards. There are Chisel-shaped incisors and canines two conical premolars and
six molars for crushing and grinding the food. The two wisdom teeth, the
rearmost, develop at a later stage and are largely non-functional.
·
Fluorides
are the compounds
that prevent tooth decay
·
One
of the ingredients of tooth paste is calcium fluoride
·
Enamel
is the hardest
substance in the body
·
Premolar
teeth are not present in babies.
·
The
third molar teeth appear in the later stage is called Wisdom Teeth
KERALA PSC / CDPO / BIOLOGY / TEETH / NOTES /
OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC
PRELIMINARY
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