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TRY-IN of COMPLETE DENTURES

TRY-IN of COMPLETE DENTURES. Prof.Dr . Ahlam El- Sharkawy Head of prosthodontic Departement . Pharos University. INTRODUCTION. Definition: The process of placing a trial denture in the patient’s mouth for evaluation of the fit, aesthetics and maxillomandibular relation.

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TRY-IN of COMPLETE DENTURES

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  1. TRY-IN of COMPLETE DENTURES Prof.Dr. Ahlam El-Sharkawy Head of prosthodonticDepartement. Pharos University.

  2. INTRODUCTION Definition: The process of placing a trial denture in the patient’s mouth for evaluation of the fit, aesthetics and maxillomandibular relation. Glossary of Prosthodontic terms

  3. Objectives of try-in Objectives: 1) Identification and correction of any errors before the dentures are finished. 2) allowing the dentist to check all previous recordings 3) permits the patient to assess the appearance of the dentures. Prosthodontic treatment for edentulous patient- Blackwell

  4. Try IN DENTURES

  5. Extra oral evaluation

  6. Extra oral evaluation • Checking the cast on theArticulator • Mounting Rings • Incisal pin • Trial denture base lie properly on the casts and the teeth are in good intercaspation. • Correct Sagital and lateral Condylar angles • In centric position, the joints must be firm and not loose. • Move smoothly from centric to eccentric with no interferences

  7. Extra oral evaluation • Checking the Casts • Good shape • Free from air bubbles • Free from scratches • Undercuts should be reliefed • Free from wax particles

  8. Extra oral evaluation • Checking Teeth • Proper selection( esthetic) • Proper positioning

  9. Extra oral evaluation

  10. Extra oral evaluation • Shape of polished denture surface • Duplicate appearance of normal gingiva • Concave surfaces between marginal gingiva &denture borders for maximum retention Concave

  11. Intra oral evaluation

  12. Trying in upper denture • Extension (buccal, labial,, posterior extension) • Retention • Stability • Lip contour

  13. Trying in Lower denture • Extension (buccal, labial, lingual, posterior extension, underextension) • Retention • Stability • Height of the occlusal plane • Tongue space

  14. Try in Both dentures together • Anteroposterior relation • Vertical height • Evenness of occlusal pressure • Balanced occlusion • Apperance • Central line • Anterior plane • Shape of the teeth • Profile • Amount of teeth visible • Regularity of the teeth

  15. Both Dentures Extra-oral • Philtrum • Nasolabial fold • Mentolabial sulcus • Vermilion border • Patient profile All these landmarks should be checked to have suitable support, and correct shape. Clinical complete denture- Prosthodontic department- Alexandria University- Prof. Dr. Nadia el Helw

  16. Phonetic test • Causes of Speech defect in complete denture: • Poor fit • Improper arrangement of teeth • High vertical dimension • Reduced tongue space • Phonetic Test: • (F, V, PH) Labio-dental sounds determining proper tooth position. • Letter (S) determining relationship of upper & lower anterior teeth NB. If maxillary anterior teeth are placed Too far labially patient whistlling ( S ) become (ch)

  17. Patient approval of the apperance

  18. Both Dentures 3) Phonetics Speech tests: The second step involves patient pronouncing specific speech sounds and putting them into words and sentences, these include: • S, repeatedly • J, ch • Th • M • F or V • T or D • K Clinical complete denture- Prosthodontic department- Alexandria University- Prof. Dr. Nadia el Helw

  19. REFERENCES • Prosthodontic treatment for edentulous patient- Zarb and Boolander • Prosthodontic treatment for edentulous patient- Blackwell • Clinical complete denture- Prosthodontic department- Alexandria University- Prof. Dr. Nadia el Helw • Colour Atlas of complete denture • http://www.prosth.net/forum_thread_9_Try-in-of-Complete-Denture.html

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