Hypoplasia Flashcards
What’s the mild form hypoplasia ?
Only few small grooves , pits , fissures on enamel surface
What’s moderate form of hypoplasia ?
Rows of deep pits arranged horizontally across the enamel surface
What’s the severe form of hypoplasia ?
Portion of enamel maybe absent
What’s enamel hypoplasia characteristics ?
■ Normal quality but deficient quantity of enamel
■ Defective enamel matrix formation
■ No contact between teeth
■ Affects both deciduous and succedaneous teeth
■ Hereditary and environmental
form
■ Seen in children with
hypoparathyroidism
What’s enamel hypoplasia colour ?
White , yellow , brown rough or pitted surface
Which antibiotics and common chemicals cause hypoplasia ?
Tetracycline
Fluoride
What’s the difference between heredity and environmental types ?
Hereditary , only enamel affected , occur in multiple tooth
Hypoplasia it’s calcified or protein matrix PROPLEM ?
Protein
Which teeth mostly to be affected ?
Teeth formed during first year .
Centrals , laterals , canines . First permanent molars
Which teeth less affected ?
Premolars , 2+3 molars
Which teeth mostly to get hypoplasia from syphlis ?
Central incisors , first molars
What’s the Hutchinsons teeth , and how does it appear ?
Anterior teeth affected in syphlis
Screw driver shape
Mesial and distal tapering and merging toward the Incisal edge
Notched Incisal edge
Can be also be without syphlis pathogonomic
What’s the mulberry molars ( moon , Fournier’s molars ) ?
Molars affected from syphlis
Irregular crown
Agglomerate mass of globules
What’s is rachitis hypoplasia ?
Vit D defiency
Describe how each vit defoency effect the tooth .
Presentation