Cast metal Full Crown Cast metal Complete veneer crown Zhu
ziyuan Staff Room of Prosthodontics Slide 2 Contents What is the
full crown? How many types of the full crown are there? Whats the
advantage of the metal cast crown? Which teeth need crowns? How are
crowns done? Slide 3 What is the full crown A dental restoration
that completely reproduces the clinical crown of a natural tooth
Slide 4 Types of the crown Metal full crown Non-metal full crown
Slide 5 Types of the crown Combinatorial crown Slide 6 Metal crown(
posterior tooth) Cast ( ) metal crown Wrought ( ) metal crown
Computer aided design and computer aided manufactory ( CAD/CAM )
metal crown Slide 7 Non-metal crown( posterior and anterior tooth)
resin crown ceramic crown Cast glass ceramic crown CAD/CAM ceramic
crown Porcelain crown Slide 8 combinatorial crown (posterior and
anterior tooth) Porcelain fused to metal crown Metal-resin crown
Slide 9 Definition of cast metal crown Cast metal crown is a full
crown restoration which is cast with dental alloy. Slide 10
Advantages of cast metal crown high Strength tooth removed less
fitness Long lasting Fine protection Slide 11 Posterior tooth with
large defect Indications of metal crown Slide 12 Malposition ( ),
torsoclusion ( )or malformation of posterior tooth( ) Weak
posterior abutment ( ) of removable partial denture Slide 13
Posterior retainer of fixed partial denture Slide 14 Posterior
tooth after RCT ( Root canal therapy ) Slide 15 Contraindications
of metal crown Incontrollable caries People allergic to the metal
Tooth with esthetical requirement Slide 16 Contraindications of
metal crown Residual root Slide 17 Design of metal crown Material
selection Slide 18 Design of metal crown The position of gingival
margin of the crown To reduce the occlusal force Slide 19 Tooth
preparation Occlusal reduction Provide the adequate room for the
crown Slide 20 Tooth preparation Occlusal surface Amount of tooth
reduction 1.0mm Slide 21 Essentials of Occlusal preparation Reduce
the inclination of cusp Slide 22 Essentials of Occlusal preparation
Prepare ladder on large filling material Slide 23 Buccal and
lingual reduction Provide the adequate room for the crown Amount of
tooth removing 1.0mm Slide 24 Slide 25 Slide 26 Essentials of
buccal and lingual preparation The functional cusp bevel
preparation Slide 27 Proximal reduction Provide the adequate room
for the crown Amount of tooth removing 1.0mm Slide 28 Essentials of
axical preparation Axial convergent angle 2~5 Slide 29 The axial
surface angel preparation To keep the contour of the crown Slide 30
Cervical preparation Chamfer or bevel Width of shoulder Non-noble
metal 0.5~0.8mm Noble metal 0.35~0.5mm Slide 31 Position of
gingival margin At the gingiva 1.0mm above gingiva 0.5~1.0mm under
gingiva Slide 32 Finish 1.0mm 1.0 0.5 to 0.8 Slide 33 Impression of
metal crown An imprint of the teeth and surrounding tissues, formed
with a plastic material to provide a mold for use in making
restorations Slide 34 Impression steps Impression of opposite teeth
Impression of abutment Bite Registration Slide 35 Gingival
retraction Retraction cord Slide 36 Impression procedure Slide 37
Impression method Two step method One step method Slide 38 Try in
of metal crown Check the gingival margin and tissular surface of
the crown Try in on the die Slide 39 Try in of metal crown
Placement onto the abutment Occlusal adjustment Slide 40 Essentials
Pulp protection Gingiva protection Dental tissue protection Slide
41 Essentials Correct tool selection Application of temporary crown
Occlusal adjustment Slide 42 Essentials Indications and
contraindications To improve the retention
