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PLATE III



































Upper and Lower Jaw of a Mouth: Teeth destroyed by
Pyorrhcea Alveolaris.
(Retaining appliance three and a half years in the mouth
)
Procedure.— All teeth to be retained
parts
Bite raised by crowns on both sides.
1. ^iglt:Uo\^v
1 S/fr Mni*^''' crown to canme
; teeth between all tubes.
j. heft. Molar crown to canine ; teeth between all tubes
''^'^"" ^^^^"^' ^''"^ '^^^^-"^ connecting the
laterTpa^-S"" "
-i. Front: Tube-teeth bridge running from canine to canine
Both canme caps fixed by spring collar
^^^^^^^ ^PPl^-e, with two artificial
tee^rri^htlnrifa'^'-'
-Bwcca?.- Molar crowns between bridge-parts
encomnas^ina
^oltlT^ ^^r^ forked clamps, and b'ic^fspids wTthTalf p "f
fnd of ^f ' ''^'^' «*^«°(?t^^"e'i with wires, cover the anter or
'luienoi
end of the retammg appliance.
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