SPECIAL TRAY Dr. Barbara Kispélyi Associate Professor Semmelweis University, Faculty of Dentistry Department of Prosthodontics
Primary impression Primary cast Special tray From web
OUTLINE Primary impression Primary cast Dr. Kivovics From: Basker et al.: Prosthetic treatment of the edentulous patient and from web
ANATOMICAL LANDMARKS OF THE EDENTULOUS MAXILLA AND MANDIBLE
Mucous membrane From web
ANATOMICAL LANDMARKS AND THEIR CLINICAL SIGNIFICANCE IN EDENTULOUS MAXILLARY ARCH
MAXILLA LABIAL FRENULUM, BUCCAL FRENULUM From web
LABIAL AND BUCCAL VESTIBULE From web
DISTO-BUCCAL AREA CORONO-MAXILLARY SPACE
HAMULAR NOTCH From: Basker et al.: Prosthetic treatment of the edentulous patient
VIBRATING LINE From: Basker et al.: Prosthetic treatment of the edentulous patient
HARD PALATE From: Basker et al.: Prosthetic treatment of the edentulous patient
RESIDUAL ALVEOLAR RIDGE From: Basker et al.: Prosthetic treatment of the edentulous patient
RUGAE AND INCISIVE PAPILLA From: Basker et al.: Prosthetic treatment of the edentulous patient
MAXILLARY TUBEROSITIES From web
ANATOMICAL LANDMARKS AND THEIR CLINICAL SIGNIFICANCE IN EDENTULOUS MANDIBULAR ARCH From web
MANDIBLE LABIAL FRENULUM, BUCCAL FRENULUM, LINGUAL FRENULUM From: Basker et al.: Prosthetic treatment of the edentulous patient
LABIAL AND BUCCAL VESTIBULE From web
RETROMOLAR PAD From: Basker et al.: Prosthetic treatment of the edentulous patient
EXTERNAL OBLIQUE RIDGE From web
BUCCAL EXTENSION From web
LINGUAL POUCH From web
SPECIAL TRAY - Clinical applications Parts Types Laboratory steps
Clinical application: SPECIAL TRAY: Completely edentulous patient Subtotal edentulous patient Removable partial denture Special anatomical situations Implantology Reconstruction prosthesis
PURPOSE OF SPECIAL TRAY: Minimize: Impression material distortion Uniform thickness Rigid tray Tisssue distortion Less viscous material Accurately adapted tray From: Basker et al.: Prosthetic treatment of the edentulous patient
Parts: AUXILIARY HANDLES: Intraoral Extraoral From web
Types: TYPES OF SPECIAL TRAYS: 1. Close fitting Used with very low viscosity impression materials, since it provide a thin layer after setting: - Zn-eugenol paste - very low viscosity elastomers 2. Spaced Used with high viscous impression material (3mm) - alginate - medium or high viscosity elastomers From web
CLOSE FITTING TRAY: From web
SPACED TRAY: From web
SPECIAL/CUSTOM TRAY Materials: Resins: - Visible light curing resins - Self curing resins - Heat curing resins Thermoplastic materials - sellak From web
RESINS: Rigid, retain its shape Not thermoplastic Types - self-curing (clear) - heat-curing (clear) - visible light curing
Sellak: Breakable (undercuts, wire-reinforcement) Thermoplastic (green stick, oroplastic impression materials) Cheap
Special tray: Sellak Light curing Self curing Precision Heat curing
SELLAK SPECIAL TRAY:
SELLAK SPECIAL TRAY:
SELLAK SPECIAL TRAY:
SELLAK SPECIAL TRAY:
SELLAK SPECIAL TRAY:
FÉNYREKÖTŐ AKRILÁT EGYÉNI KANÁL KÉSZÍTÉSÉNEK LÉPÉSEI:
Special tray: Sellak Light curing Self curing Precision Heat curing
VISIBLE LIGHT CURING RESIN SPECIAL TRAY:
VISIBLE LIGHT CURING RESIN SPECIAL TRAY:
VISIBLE LIGHT CURING RESIN SPECIAL TRAY:
VISIBLE LIGHT CURING RESIN SPECIAL TRAY:
Special tray: Sellak Light curing Self curing Precision Heat curing
SELF-CURING RESIN (CLEAR) SPECIAL TRAY:
SELF-CURING RESIN (CLEAR) SPECIAL TRAY:
SELF-CURING RESIN (CLEAR) SPECIAL TRAY:
SELF-CURING RESIN (CLEAR) SPECIAL TRAY:
SELF-CURING RESIN (CLEAR) SPECIAL TRAY:
SELF-CURING RESIN (CLEAR) SPECIAL TRAY:
SELF-CURING RESIN (CLEAR) SPECIAL TRAY: Molding process: 3-6 Bar 40 C 20-30 minute
SELF-CURING RESIN (CLEAR) SPECIAL TRAY:
Special tray: Sellak Light curing Self curing Precision Heat curing
HEAT-CURING RESIN (CLEAR) SPECIAL TRAY:
HEAT-CURING RESIN (CLEAR) SPECIAL TRAY:
HEAT-CURING RESIN (CLEAR) SPELIAL TRAY: 100-105 C 60-90 minutes
HEAT-CURING RESIN (CLEAR) SPECIAL TRAY:
CONCLUSION: The best: Heat-curing resin (clear) special tray
OLD DENTURE - USE AS A SPECIAL TRAY! RELINE REBASE From: Basker et al.: Prosthetic treatment of the edentulous patient
THANK YOU FOR YOUR ATTENTION!