Introduction to Removable Prosthodontics 1 PROSTHODONTICS • • • • REMOVABLE FIXED MAXILLOFACIAL IMPLANTOLOGY 2 Prosthodontics: Removable Prosthodontics Part A: Removable Partial Denture Part B: Removable Complete Denture 3 Part A: Removable Partial Dentures • Replaces one or more teeth in one arch • Retained and supported by underlying tissues and remaining teeth Consultation appointment Study models Radiographs Photographs Visual aids Treatment plan 4 Appointments for a Partial Denture Partial Denture Patient Examination Consultation Final impressions Try-in and adjustment Delivery Adjustments 5 5 Advantages of a Removable Partial Easily repaired and adjusted Restores function when no distal teeth present Fewer intraoral procedures than fixed pros. Restores long span of lost dentition Easier for good oral hygiene of abutments Stabilizes the arches May support periodontally involved teeth Proper occlusal plane is maintained Less expensive than fixed prostheses 6 Contraindications for a Partial Lack of sufficient number of natural teeth properly located in the arch Lack of teeth with adequate root support to retain the appliance Rampant caries or gross periodontal conditions of remaining teeth Poor oral hygiene with no motivation to improve oral conditions 7 Kennedy Classification Class I Bilateral edentulous areas located posterior to all remaining teeth Kennedy Classification Class II Unilateral edentulous area located posterior to all remaining teeth Kennedy Classification Class III Unilateral edentulous area bounded by anterior & posterior natural teeth Kennedy Classification Class IV Single, but bilateral (crossing the midline) edentulous area located anterior to remaining teeth Components of a Partial Denture 12 Part B: Removable Complete Denture • Edentulous patient • Denture supported by alveolar bone and oral mucosa 13 Indications for a Complete Denture Extensive bone loss and periodontal disease Edentulous patient Lack of motivation or ability to maintain teeth Gross decay or abscesses Lack of financial Patient refused resources for alternative partial dentures treatments 14 Components of a Complete Denture Denture base Non-anatomical teeth Saddle Complete denture Anatomical teeth Flange 15 Appointments for a Complete Denture Examination Consultation Oral surgery Jaw relationship Final impressions Denture delivery First follow-up Adjustments 16 Final Impressions • Impression compound • Border molding • Muscle trimming 17 Construction of Complete Dentures • Baseplate – Represents denture base • Bite rim – Simulates space provided by height of teeth • Vertical dimension – Occlusal relationship 18 Jaw Relationship Set-up • Baseplates and bite rims • Centric occlusion – Retrusion – Protrusion – Lateral movement • Vertical dimension • Shade • Mold 19 Try-in Appointment • Denture teeth mounted in wax • Evaluate – Esthetics – Retention – Comfort – Speech articulation 20 Delivery Appointment • Evaluation • Adjustments • Instructions – Insertion and removal – Daily maintenance 21 REFERENCE BOOKS • McCracken's Removable Partial Prosthodontics • Boucher's prosthodontic treatment for edentulous patients 22