Week 10 Session 3Partial Denture Construction

Unit 6ADT4305

Run a pencil around the pin-dam to help with

the cutting of the second sheet of wax.

1

Pencil line can be seen

through the wax sheet to

help you cut it to size

Cut and shape a length of

strengthening wire to fit 5mm

inside the pindam,

terminating 5mm short of the post-

dam

1

Run a blunt blade along the pindam to cut the wax up

to and into the prepared groove

Any areas that are short of wax should be filled with molten modelling

wax prior to the application of the

second sheet of wax

Setting the two teeth

1

The central incisor stands vertical or at right angles to the

occlusal plane

The lateral incisor leans slightly away from the

median line

Approximate position of replacement teeth

1

Artificial replacement teeth are supplied on separate cards of anteriors and posteriors of an appropriate shape for the case

that is being made

Tooth mould code

Tooth shade code

1

Trim the tooth carefully to fit

around the model so it fits

against the mesial surface of the other central

1

Palatal view should show that the tooth follows

the natural curvature of the dental arch

1

The buccal face of the tooth should be

angled to reflect the neighbouring central

incisor

1

The lateral incisor is placed but remember to raise it off the occlusal

plane by 1mm

1

1

The lateral incisor is titled back

further than the central incisor