Introduction to Removable Prosthesis Dr. Hanadi Lamfon Assistance Professor of Prosthetic Dentistry PhD, BDS, MSc, MFDRCSI Umm Al-Qura University
What is Prosthesis???Artificial appliance used to replace part of the body
Prosthodontic Dentistry• Branch of dental art and science that replacemissing teeth and supportive structures (bridge,denture) by artificial devices to restore andmaintain oral function. Dental Prosthesis• It is an art that replace missing teeth andsupporting dento-alveolar structures (gingiva –PDL – Bone)
Conditions of the oral cavity:1- Dentulous 2- Edentulous 3-Partially edentulous
DentureDenture is an artificial replacement appliance(removable) for missing natural teeth andsupporting structures (complete or partial).Complete DentureIs a dental prosthesis replacing the missingteeth and associated structures of theedentulous maxilla and / or mandible.
Complete DentureObjectives:- Function (mastication)- Speech- Appearance (Esthetics)- Satisfaction and comfort- Tissue preservation
Denture Surfaces1- Impression, tissue or fitting surface Surface recorded by impression and fitted to mucosa and extended to the border of denture.2- Occlusal Surface The surface that occlude with opposing denture or natural dentition.
3- Polished surface:-Highly polished surface.-Extended from borders to occlousal surface
Denture borderThe margin of the denture base at thejunction of the polished surface with fittingsurface.It must be rounded and smooth.Denture flangeIt is the vertical extension of the upper andlower dentures.
Patient1- History and examination:a) Extraoralb) Intraoral
2- Treatment plan3- Improvement of oral condition:e.g old denture
Complete denture1- Primary impression (preliminary): stock trays Impression material
2- Primary impression:Compound impression material