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методика "краун-даун"
强调
牙科
CD
(
MichaelBurov
)
;
crown-down preparation
(
MichaelBurov
)
;
crown down preparation
(
MichaelBurov
)
;
crown down
(– the concept is to widen the root canal with burs or files to remove dentin hangover and widen the canal orifices
MichaelBurov
)
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