Small
– Class I articulator
instrument capable
static registration; v
Small
Arcing motion is steeper travel than occurs
– Class II articulato
clinically leads to premature contacts on
permits horizontal
fabricated restorations between the distal
but does not orien
mandibular inclines and the mesial maxillary
temporomandibula
inclines of posterior teeth
The angulationofthe mechanical fossae of
an Arcon instrument is fixed relative to the Sem
occlusal plane of the maxillary cast.
An advantage of the arcon design is that the The Arcon (articulator & condyle) - Class III articulato
condylar inclination of the mechanical fossae • Arecapable ofr eproducingboth the simulates condylar
is at a fixed angle to the maxillary occlusal immediate and the progressive side shifts. averages or mecha
plane. With the nonarcon design, the angle part of the motion;
changes as the articulator is opened, which The condylar element (analog) is not part of for orientation of th
can lead to errors when a protrusive record the lower member of the articulator joints and may be A
is being used to program the articulator. The non-Arcon instruments.
Bennett movement or side shift can only be
reproduced in a straight progressive form
with no immediate side shift
Fully
– Mechanical Pantograph
Pantographic Recordings – Class IV articulato
– Electronic Pantograph accept three-dimen
registrations; these
• Axiography orientation of the c
temporomandibula
• Stereograms mandibular movem
– Class I articulator
instrument capable
static registration; v
Small
Arcing motion is steeper travel than occurs
– Class II articulato
clinically leads to premature contacts on
permits horizontal
fabricated restorations between the distal
but does not orien
mandibular inclines and the mesial maxillary
temporomandibula
inclines of posterior teeth
The angulationofthe mechanical fossae of
an Arcon instrument is fixed relative to the Sem
occlusal plane of the maxillary cast.
An advantage of the arcon design is that the The Arcon (articulator & condyle) - Class III articulato
condylar inclination of the mechanical fossae • Arecapable ofr eproducingboth the simulates condylar
is at a fixed angle to the maxillary occlusal immediate and the progressive side shifts. averages or mecha
plane. With the nonarcon design, the angle part of the motion;
changes as the articulator is opened, which The condylar element (analog) is not part of for orientation of th
can lead to errors when a protrusive record the lower member of the articulator joints and may be A
is being used to program the articulator. The non-Arcon instruments.
Bennett movement or side shift can only be
reproduced in a straight progressive form
with no immediate side shift
Fully
– Mechanical Pantograph
Pantographic Recordings – Class IV articulato
– Electronic Pantograph accept three-dimen
registrations; these
• Axiography orientation of the c
temporomandibula
• Stereograms mandibular movem
