Discolouration of the teeth seen in following intake

[A) (Tetracycline) (672 - KDT 5th) (714-KDT 6th)* Tetracyclines have chelating property. Calcium- tetracycline chelate gets deposited in developing teeth and bone Given from mid pregnancy to 5 months to extra uterine life the decidous teeth are affected brown discolouration of teeth, more susceptible to carries. Tetracyclines gives between 3 months to 6 years of age affect permanent anterior dentition. Repeated course are more damaging* Prevention of discolouration of permanent front teeth requires that tetracyclines be avoided from the last 2months of pregnancy to 4 years and of other teeth to 8 years of age (or 12 years if the third molar are valued)* Prolonged tetracyclines therapy can also stain the finger nails at all ages.