Dentatus Nyström User manual

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DentatusNyströmMatrixRetainers
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Description
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TheDentatusNystromMatrixRetainersareavailableinthreedifferentmodels:
‐ModelsMEC‐N1andMEC‐N2holdthematrixbandsatslight,oppositeangles.Theyaremarked
respectivelywithoneverticallineandtwoverticallines.Figure1showswhichmodelisusedfor
whichquadrantinthemouth.Theangledslotmakestheplacementandholdingofthematrixband
easierandhelpsavoidingdistortionoftheband.
‐ModelMECholdsthematrixbandstraightandmaybeusedforanyquadrantofthemouth.
Placementoftheretainermaybebucal(recommended)andlingual(onlyrecommendedduring
restorationofthebuccalwall)(Figure1).
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Figure1
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1)Selecttheappropriateretainerandmatrixband.
2)Holdbothendsofthematrixbandtogetherandslidetheminsidetheretainer'sslotuntilthey
reachthestop.
Important:WhenusingretainerMEC‐N1orN2,theconcavesideofthematrixbandmustbeonthe
sideoftheretainerwiththeshortsideoftheslot(Figure2)
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Figure2
3)Thesmallknoblocksthematrixband.Turnitclockwiseuntilthebandissecurelylocked.
4)Placethematrixbandaroundthetooth,andturnthelargeknobclockwiseuntilthematrixbandis
properlytightenedaroundthetooth(Figure3).
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Figure3
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5)Oncethefillingprocedureiscomplete,turnthelargeknobcounterclockwisetoloosenupthe
matrixbandandremoveitcarefullyfromthetooth.
8)Turnthesmallknobcounterclockwisetoreleasethematrixbandfromtheretainer.