sealants Flashcards
what sealant material is good durability
resin-based sealants, BIS-GMA
what sealant material has fluoride release
glass ionomer, silicate and polyacrylate cement system sealants
what sealant material is resin based material w additional fluoride releasing properties
compomers
which sealant material is good for caries prevention but poor mechanical retention compared w resin sealants
resin modified glass ionomer (RMGI)
the key to resin sealant success in preventing caries lesion is what
the total retention of the sealant
what teeth are prime candidates for sealants
1st and 2nd permanent molars
what has a higher retention rate, maxillary premolars or mandibular premolars
maxillary premolars
what has a higher retention rate maxillary molars or mandibular molars
mandibular molars
what has higher retention rate premolars or molars
premolars
bonding sealants improve retention how
helps wet the fissure
improves sealants penetration into fissure
increase bond strength
improve the clinical retention of the sealants
what is a pre-treatment strategy
light mechanical preparation of fissures w small rounded tip bur
air abrasion system particles are made of what
silica, aluminum oxide mixture
is low viscosity or high viscosity better
lower viscosity flows better than higher viscosity (mostly resin component
what type of sealant is good for incompliant patient
GI sealant (glass ionmer)
what resin composite material performs as well as fissure sealants (good for deep pits and fissures)
flowable resin
what is the first and most important step
tooth isolation
what is isolite
hands free suction to keep tooth isolated and dry (mr.thirsty)
what is the most critical aspect
moisture control
step after isolation
clean pit and fissure surfaces
step after cleaning
etch the enamel surface
how much should the etch extend for the pits and fissures
extend 2mm
liquid or gel etchant penetrates fissures better
liquid
how long to etch enamel
20 sec (selective etch bc enamel only)
37% phosphoric acid
how long to rinse after the etch
20-30 sec
air dry and apply primadry and leave for how long
5 sec
dry to what type of appearance
chalky frosted appearance
do u rinse after primadry drying agent
no
do u always need to apply bond
its preference (if u do 20 sec)
what do u do after primadry
apply sealant
what is the sealant
ultraseal XT plus
(do not overfill)
light cure sealant for how long
20 sec
what 2 things should u evaluate the sealant for
-check retention w explorer
-check for hyper occlusion (overfill)
what 2 components are critical for success
isolation and dryness
