Amann Girrbach clinometer Instrucciones De Uso página 17

The clinometer shield has no special
center line. The viewing angle can be
selected in such a manner that one of the
longitudinal lines runs between the cen-
tral incisors (see Fig. 7). When this is
done, the adjacent vertical lines will gen-
erally lie over the central incisor, lateral
incisor and canine teeth.
▷ Align the clinometer vertically so that the
upper transverse line of the shield is level with
the pupils.
Generally, the lower transverse line will then
lie at the level of the occlusal plane.
▷ Rotate the knurled knob until the upper hori-
zontal line of the clinometer shield is in line
with the bipupillary line.
(in direction C = clockwise,
in direction A = anticlockwise).
Fig. 6
Other facial characteristics must also be taken
into account.
▪ The bipupillary line generally has a guiding
function.
▪ The nasal axis (facial centre line), lip line and
external facial shape must be included in the
overall appearance.
▪ The occlusal plane of the existing teeth is
only of secondary importance in this phase.
▪ An effective method of choosing the angle is
to move the shield deliberately too far clock-
wise, then too far anti-clockwise, alternating
from side to side and gradually closing in on
the ideal estethic angle.
▷ Remove the clinometer shield from the face-
bow and read off the found/determined angle
from the scale, e.g. "1 ° A" = 1 degree to the left.
Fig. 7 Reading off the angle
▷ Record this value both on the patient's file
card and on the laboratory order form.
The registration of the facebow must now
be carried out using the Artex facebow,
ensuring that the models are transferred
to the articulator in the same relation -
analogous to the patient. Only when the
reference points match, can the deter-
mined esthetic angle be effectively trans-
ferred to the design of the tooth front.
APPLICATION
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