Dental articulators
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Dental articulators

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articulator

articulator
d.sirag al-hamadi
tripoli university

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Dental articulators Dental articulators Presentation Transcript

  • PREPARED BY D.SERAG AL-HAMADICLINICAL DEMONSTRATOR IN PROSTODONTICTRIPOLI UNIVERSITYDENTAL FACULTY08/29/12 d. sirag eddin al-hamadi 1
  • 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 all- mandibular movements. 08/29/12 d. sirag eddin al-hamadi 2
  • Functions It allow most of the prosthetic work to be done in the absence of the patient 08/29/12 d. sirag eddin al-hamadi 3 View slide
  • 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. 08/29/12 d. sirag eddin al-hamadi 4 View slide
  • Simple Hinge Articulators- 108/29/12 d. sirag eddin al-hamadi 5
  • :Possible movements  This type of articulators gives only opening and closing movements.08/29/12 d. sirag eddin al-hamadi 6
  • Mean Value Or Fixed Condylar Path- 2 Articulators Design: 08/29/12 d. sirag eddin al-hamadi 7
  • Possible movements 1-Opening and closing. 2-Protrusive movement at a fixed horizontal condylar path angle. 08/29/12 d. sirag eddin al-hamadi 8
  • Adjustable Condylar Path- 3 Articulators08/29/12 d. sirag eddin al-hamadi 9
  • A- Semi Adjustable Condylar Path Articulators Design: 08/29/12 d. sirag eddin al-hamadi 10
  • 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. 08/29/12 d. sirag eddin al-hamadi 11
  • B- Fully adjustable articulators  They differ from the semi-adjustable articulators in that the lateral condylar path inclinations are adjusted according to records taken from the patient.08/29/12 d. sirag eddin al-hamadi 12
  • References.Allen AA, Heath JR, Mc Cord: Complete Prosthodontics; Problems, Diagnosis and Management. Mosby-Wolf, London, 1995 -1 .Beresin, V.E. and Schiesser, F. J.: The neutral zone in complete and partial dentures. 2nd ed. St. Louis, The C.V. Mosby Company: 1978 - 2. Coleman, R. D. and kaiser, W. B.: The Scientific Bases of Dentistry. Philadelphia, W. B. Sounders; 1966 - 3 .Craig, R.G.: Restorative Dental Materials. 8 ed. St. Louis, C. V. Mosby Company - 4 th .Fenn, H.R.B.; Liddelow, K.P. and Gemson, A.B.: Clinical Dental Prosthetics. 2 ed. London, Staples; 1974 -5 .Geering AH,Kundert M , Kelesy C: Complete denture and overdenture Prosthetics. Theme medical publication Inc. New York, 1993 - 6 .Grant AR, Heath JR, Mc Cord JF: Complete Prosthodontics; Problems, Diagnosis and Management. Mosby-Wolf, London, 1996 -7  Heartwell, C.M. and Rhan, A.G.: Syllabus of Complete Dentures. 3rd ed. Philadelphia, Lea and- 8.Febiger; 1986.Sharry, J.J.: Complete denture prosthodontics. 3rd ed. NewYork, McGraw-Hill; 1974- 9 .Sowter, J.B.: Dental laboratory technology: prosthodontic techniques. Chapel Hill, University of North Carolina; 1968- 10 Sowter, .Watt, D.M. and Mac Gregor, A.R.: Designing complete dentures. Philadelphia, W.B. Sounders; 1976-11.Winkler, S.: Essential of complete Denture Prosthodontics. 2nd ed. PSG Publishing Company; 1988- 12 Zarb, G.A.; Bolender, C.L.; HicKey, J.C. and carlesson, G.E.: Bouchers Prothodontic Treatment- 13 .for Edentulous Patients. 7th. Ed. St-Louis, The C.V.Mosby Company; 1990.N, B. All pictures in these slides are copied from the above references and from the internet  08/29/12 d. sirag eddin al-hamadi 13