Aztec GEM II - Page 12

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11
First if using a diamond disc check condi-
ons of the disc (See Queson 6).
It is important to warn the paent that
there will be a heat build-up in the ring and
that as soon as they feel the ring geng
warm to nofy the operator. The operator
should stop immediately wipe away the
gel from the ring and re-apply fresh cold
gel before connuing the cung process.
Normally by this stage the ring will be virtu-
ally cut through so that the second phase of
cung will be short lived.
According to a research study in the brain
journal of Neurology 125 issue 3 pp. 501-
510 on ‘Pain Threshold on Normal Skin!’
The range of warm sensaon is 37.8 ±
28°C. Redness of the skin equivalent to sun
burn occurs around 44-45°C. In tests we
have carried out on rings that have water
based gel applied to the ring surface prior
to cung aer 60 seconds of connuous
cung temperature on the surface of a ring
made of brass 4mm x 1mm thick measured
38-39°C. Aer a further 60 seconds the
surface temperature had reached 44-45°C.
A sensible precauon to take would be to
cut for 60 seconds, stop, wipe away old gel
and replace with fresh cold gel and re-start
the cung process for a further 60 seconds.
As the cung process has been interrupted
the ring surface temperature would not
reach 44°C. It is unlikely a 3rd phase of cut-
ng would be required.
We have found that liquid soap from a soap
dispenser works well. It helps to lubricate
the ring area and makes inserng the metal
guard secon of the nger guard much
easier. It also collects the debris from the
cung process.
7. Whatifaringhastoberemovedfroman
 unconsciouspaent?
8. Whatifwaterbasedgelisnotavailable.
 Isthereanotherproductcommonly
 availablethatcanbeused?