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DENTAL ARTICULATORS
By Patrick Royson, Doha Al Doujealy
201-ca 2013
Articulator
 It is a mechanical
instrument
that
represents
the
temporomandibular
joints
and
jaw
members, to which
maxillary
and
mandibular casts may
be
attached
to
simulate some or allmandibular
movements.

11/8/2013

d. sirag eddin al-hamadi
Functions



11/8/2013

It allow most
of the prosthetic
work to be done
in the absence
of the patient

d. sirag eddin al-hamadi
Purpose of articulator
• *To hold the maxillary & mandibular cast in
a determined fixed relationship.
• *To stimulate the jaw movements like
opening & closing.
• *To produce border movements (extreme
lateral & protrusive movements)
Uses of an articulator
• *To diagnosis the state of occlusion in both the
natural & relationship dentitions.
• *To plan dental procedures based on the
relationship between opposing natural &artificial
teeth .e.g. evaluation of the possibility of balanced
occlusion.
• *To aid in the fabrication restorations &
prosthodontics replacements.
• To correct & modify completed restorations.
• *To arrange artificial teeth
Classification of articulators
• The design of articulators have been based on
:• 1-Theories of occlusion Bon will theory
•
Conical
•
Spherical
• 2-based on the types of inter occlusal record.
• 3- based on the ability to stimulate the jaw
relation.
• 4 based on the adjustability of articulator
Types of articulators
 1-Simple hinge articulators.
 2-Fixed or mean value condylar
path articulators.
 3-Adjustable condylar path
articulators.
a.Semi-adjustable condylar path
articulators.
b.Fully-adjustable condylar path
articulators.
11/8/2013

d. sirag eddin al-hamadi
1- Simple Hinge Articulators

11/8/2013

d. sirag eddin al-hamadi
Possible movements:
 This type of
articulators
gives
only
opening
and
closing
movements.
11/8/2013

d. sirag eddin al-hamadi
2- Mean Value Or Fixed Condylar
Path Articulators

 Design:

11/8/2013

d. sirag eddin al-hamadi
Possible movements
 1-Opening and
closing.
 2-Protrusive
movement at a
fixed
horizontal
condylar path
angle.
11/8/2013

d. sirag eddin al-hamadi
3- Adjustable Condylar Path Articulators

11/8/2013

d. sirag eddin al-hamadi
A- Semi Adjustable Condylar Path
Articulators

 Design:

11/8/2013

d. sirag eddin al-hamadi
Possible movements
 1-Opening and closing.
 2-Protrusive movement to an angle recorded from
the patient.
 3-Lateral movement to an angle calculated from
the Hanau’s formula:
 L=H/8+12.
 Where; L = the lateral condylar path
 H = the horizontal condylar path angle which is
recorded from the patient.

11/8/2013

d. sirag eddin al-hamadi
B- Fully adjustable
articulators
 They differ from the semiadjustable articulators in that the
lateral condylar path inclinations
are adjusted according to records
taken from the patient.

11/8/2013

d. sirag eddin al-hamadi
We can watch how a new model
articulator works.
How to diagnosis in articulator….
Dental articulators

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Dental articulators

  • 1. DENTAL ARTICULATORS By Patrick Royson, Doha Al Doujealy 201-ca 2013
  • 2. Articulator  It is a mechanical instrument that represents the temporomandibular joints and jaw members, to which maxillary and mandibular casts may be attached to simulate some or allmandibular movements. 11/8/2013 d. sirag eddin al-hamadi
  • 3. Functions  11/8/2013 It allow most of the prosthetic work to be done in the absence of the patient d. sirag eddin al-hamadi
  • 4. Purpose of articulator • *To hold the maxillary & mandibular cast in a determined fixed relationship. • *To stimulate the jaw movements like opening & closing. • *To produce border movements (extreme lateral & protrusive movements)
  • 5. Uses of an articulator • *To diagnosis the state of occlusion in both the natural & relationship dentitions. • *To plan dental procedures based on the relationship between opposing natural &artificial teeth .e.g. evaluation of the possibility of balanced occlusion. • *To aid in the fabrication restorations & prosthodontics replacements. • To correct & modify completed restorations. • *To arrange artificial teeth
  • 6. Classification of articulators • The design of articulators have been based on :• 1-Theories of occlusion Bon will theory • Conical • Spherical • 2-based on the types of inter occlusal record. • 3- based on the ability to stimulate the jaw relation. • 4 based on the adjustability of articulator
  • 7. Types of articulators  1-Simple hinge articulators.  2-Fixed or mean value condylar path articulators.  3-Adjustable condylar path articulators. a.Semi-adjustable condylar path articulators. b.Fully-adjustable condylar path articulators. 11/8/2013 d. sirag eddin al-hamadi
  • 8. 1- Simple Hinge Articulators 11/8/2013 d. sirag eddin al-hamadi
  • 9. Possible movements:  This type of articulators gives only opening and closing movements. 11/8/2013 d. sirag eddin al-hamadi
  • 10. 2- Mean Value Or Fixed Condylar Path Articulators  Design: 11/8/2013 d. sirag eddin al-hamadi
  • 11. Possible movements  1-Opening and closing.  2-Protrusive movement at a fixed horizontal condylar path angle. 11/8/2013 d. sirag eddin al-hamadi
  • 12. 3- Adjustable Condylar Path Articulators 11/8/2013 d. sirag eddin al-hamadi
  • 13. A- Semi Adjustable Condylar Path Articulators  Design: 11/8/2013 d. sirag eddin al-hamadi
  • 14. Possible movements  1-Opening and closing.  2-Protrusive movement to an angle recorded from the patient.  3-Lateral movement to an angle calculated from the Hanau’s formula:  L=H/8+12.  Where; L = the lateral condylar path  H = the horizontal condylar path angle which is recorded from the patient. 11/8/2013 d. sirag eddin al-hamadi
  • 15. B- Fully adjustable articulators  They differ from the semiadjustable articulators in that the lateral condylar path inclinations are adjusted according to records taken from the patient. 11/8/2013 d. sirag eddin al-hamadi
  • 16. We can watch how a new model articulator works.
  • 17. How to diagnosis in articulator….