OSCE Flashcards
when do primary teeth start to erupt?
6 months
what primary teeth erupt first?
lower As
when is the full primary dentition complete?
2 1/2 years
when does the permanent dentition begin to erupt?
6 years
when do the 1s erupt?
age 7
when do the 2s erupt?
age 8
when do the 3s erupt?
lower - 9
upper - 11
when do the 4s erupt?
age 10
when do 5s erupt?
age 11
when do 6s erupt?
age 6
when do 7s erupt?
age 12
at what age are all incisors in?
9
what are 6 features of the primary dentition positioning?
spaces anteriors
primate spacing
shallow overjet and overbite
class I molar relationship
primary lower D wider than upper D
vertical inclination of anteriors
how is caries diagnosed radiographically?
E - limited to enamel
D1 - outer 1/3 dentine
D2 - middle 1/3 dentine
D3 - inner 1/3 dentine
P - reached pulp
what are the 4 clinical presentations of dentine?
soft
hard
leathery
firm
what strength is fluoride varnish (Duraphat)?
22600ppm
when is fluoride varnish applied?
normal - 2 times a year
caries risk - 4 times a year
what are the measurements of duraphat varnish 26000ppm?
2-5 years - 0.25ml
5-7 years - 0.4ml
prior to placing fluoride varnish what must you ask the patient?
allergy to stiffen plasters/ elastoplast
asthma history of hospitalisation
what are the 2 types of fissure sealants?
resin based
GI
when would you use a GI fissure sealant?
poor cooperation
when are resin fissure sealants applied by protocol?
all permanent molars after eruption
what is SDF used as?
desensitising
caries arrest
when would you use Hall technique?
asymptomatic
proximal lesions
occlusal lesions (if poor cooperation)
band of normal dentine
