Chapter32 Flashcards
Partial dentures
Replace one or more teeth in one arch and is retained or supported by the underline tissue and remaining teeth
Prostheses
Artificial structures
Aids present to help patient understand during consultation appointment
. Study models . Radiographs . Patients photo graphs . Visual aids ( pamphlets/video ) . Proposed treatment plan .
Advantages of removable partial denture
. Replaced and adjusted easy
. Oral hygiene is easer
. Less expensive than fixed
. Designed to restore lost dentition
Metal framework
Skeleton of removable partial to which remaining units connect
Rest
Contacts a tooth to provide vertical and horizontal support
Connectors
Unite the various parts into a single unit, and distribute the stresses.
On the mandibular the major connector is often a
Lingual bar or plate that releases pressure on the abutment
Retainer sometimes called a clasp
Contacts the abutment teeth and prevents the partial from moving
Bar type clasp
extends from a gingival direction toward the occlusal
Denture base
Sometimes referred to as the saddle
Artificial teeth
Made of acrylic resin or porcelain and available in various size shape shades
Appointments for partial denture in order
. Examination . Consultation . Final impression . Try in adjustment . Delivery . Adjustment
Complete denture
Supported by the alveolar bone or oral mucosa. The shape and condition determine how much support the denture will have
Necessities for successful denture treatment
Patient should have a positive attitude and be in good health
Two basic components of a complete denture
Base and denture teeth
The base
Made of acrylic and metal mesh
Anatomical teeth
Resemble natural teeth, with cusp and developmental grooves
Appointments for complete denture
. Examination- preliminary impressions
. Final impression
. Denture delivery
. Adjustments
Examination for complete denture
Radiographs and preliminary impressions are taken
Final impressions
Once tissue has healed
Border molding or muscle trimming
Lips cheeks and tongue are moved to establish accuracy
The maxillary impression must include
Tuberosities, frenum attachments, and other land marks of the arch
The mandibular impression must include
Retromolar pads, oblique ridge , Mylogyoid ridge and frenum attachments
Steps 2 and 3 of final impression
Heat compound place alon borders of tray. Place tray inpatients mouth have them move mouth around for accuracy of border molding
Final impression materials prepared places in custom trays
Face bow
A caliper like device used to record the maxillary detention to the tmj
Vertical dimension
A vertical measurement of the face between two selected points. One above the mouth one below the mouth.
Intercuspation
Cusp to fossa relationship of the upper n lower posterior teeth to each other
Bite rim
Represents the the space provided by the teeth during normal accusing
Delivery appointment for complete denture
The patients occlusion is evaluated and adjustments made the dentist used a low speed hand peace and acrylic burs to reduce any high spots.
Home care instructions
Keep denture moist
Low thermal conductivity
Adhesives are not needed in well fitting frame.
Reline
To improve the fit of a denture and comfort of the patient… Temp solution.
Polishing removable prostheses
On a dental lath with rag wheels, Punic slurry. Tripoli or past of tin oxide and water.
Endosseous implant over denture
Various types of attachments . Magnets and a snap design.
