7 Class IBilateral edentulous areas located posterior to the remaining natural teeth.
8 Class IIUnilateral edentulous areas located posterior to the remaining natural teeth.
9 Class IIIA unilateral edentulous area with natural teeth remaining both anterior and posterior to it
10 Class IVA single ,but bilateral (crossing the midline) edentulous area located anterior to the remaining natural teeth
11 Indications for a Removable Partial Denture 1.To replace several teeth in the same quadrant or in both quadrants of the same arch.2.As a temporary replacement for missing teeth in a child.3.To replace missing teeth for patients who do not want a fixed bridge or implants.4.For the patient who finds it easier to maintain good oral hygiene.5.To serve as a splint to support periodontally involved teeth.
12 Contraindications for a Removable Partial Denture 1.A lack of suitable teeth in the arch to support, stabilize, and retain the removable prosthesis.2.Rampant caries or severe periodontal conditions that threaten the remaining teeth in the arch.3.A lack of patient acceptance for esthetic reasons.4.Chronic poor oral hygiene.
13 Components of a Partial Denture 1.FrameworkThe cast metal skeleton that provides support for the remaining components of the prosthesis.2.ConnectorsJoin various parts of the partial togetherMajor connectorMinor connector
15 3.Retainer 4.Rest 5.Artificial teeth Known as a clasp, it supports and provides stability to the partial denture by partially circling an abutment tooth.4.RestA metal projection designed to control the seating of the prosthesis.5.Artificial teethConstructed from either acrylic or porcelain.
18 Parts of the baseplate1.Saddle2.Connector3. Occlusal rest
19 Materials of the baseplate 1. Acrylic2. Metal3. Metal-acryliccombination(alloys used for partial denture fabricating: cobalt-chrome alloys, gold alloys type IV and titanium)
20 Appointment Sequencing for a Partial Denture Appointment 1: RecordsUpdated health and dental history.Prophylaxis.Preliminary impressions.Radiographs.Photographs.
21 Appointment 2: Preparation Prepare the teeth.Take the final impression.Take the occlusal registration.Select the shade and mold of the teeth.Prepare the laboratory prescription.
22 Appointment 3: Try-inEvaluate the fit, comfort, and function of the appliance.Evaluate the shade, mold, and arrangement of the teeth.Take new occlusal registration.Note any changes on the laboratory prescription.
23 Appointment 4: Delivery - Placement of the partial denture by the patient.- Check occlusion.- Detect any pressure points.- Check retainers for tension on the natural abutment teeth.- Polish partial.- Give patient home instructions.
24 Home Care Instructions for a Partial Denture - Store prosthesis in water when not wearing it.- After eating, remove it from mouth and brush or rinse the retainers, rests, and complete partial.- Brush and floss abutment teeth and natural teeth to keep them free of food debris and plaque.- Advise patient not to adjust the partial denture.
25 Appointment 5: Postdelivery check Evaluate the fit.Check the mucosa for pressure areas and sore spots.Evaluate the function of the prosthesis.