Implants and Additional Retention

Vocabulary practice flashcards based on the lecture covering dental implants, removable partial dentures, costs, and attachment systems.

Removable Appliance Instability

A common issue where $25\text{--}50\%$ of patients complain about a lack of stability (especially with few remaining teeth or bone resorption) and discontinue wearing the appliance.

Partially Edentulous Demographic Trend

The anticipated increase in partially edentulous patients requiring prosthodontic treatment due to rapid growth in the geriatric population, despite a declining proportion of fully edentulous individuals.

Finland Dental Implant Awareness Rate

The percentage of patients in Finland aware of implant therapy, reported as $29\%$.

Two-Stage Implant Procedure

A surgical protocol where implants remain completely covered by gum tissue until stage 2 surgery.

One-Stage Implant Procedure

A surgical technique in which implants are left uncovered by gum tissue immediately following placement.

Stage 2 Implant Surgery

The surgical stage in a two-stage implant procedure during which abutments are attached to the embedded implants.

Cost Comparison Structure for RPD and ISRPD

Table 2 summarizing the opportunity costs and tariff-based costs comparing removable partial dentures against implant-supported removable partial dentures.

Hader Bar System

A two-part sectional denture system utilizing a cast metal bar, an acrylic housing, and a replaceable insert to provide retention.

Hader Bar Component 1

The long green bar element that is cast in metal along with the major connector or chrome wax-up.

Hader Bar Component 2

The component used during processing to protect the metal bar while acrylic work is being prepared.

Hader Bar Component 3

The metallic housing component retained inside the acrylic saddle of the denture.

Hader Bar Component 4

The replaceable yellow insert that clips into component 3 to provide mechanical retention for the prosthesis.

Trismus Application in Sectional Dentures

A clinical condition of restricted jaw opening where sectional dentures (such as the Hader Bar system) are beneficial due to smaller component sizes.

Internal Precision Attachments

A sliding attachment system where the male component is in the denture and the female component sits within denture contours, eliminating visible clasps but exerting torque on abutments.

External Precision Attachments

An attachment system where the female component sits within crown/bridge contours and the male component sits within the denture, directing forces more apically than a rest seat.

Vertical Space Requirement for External Attachments

The mandatory minimum vertical height necessary for placing external precision attachments, specified as $4\,\text{mm}$.