Intro-Rules and Stuff Flashcards
The goal of an RPD is a prosthesis that replaces ______ (______) missing teeth and contiguous tissues.
some (not all)
TERM: Resistance to removal from the tissues or teeth
Retention
TERM: Resistance to movement in a HORIZONTAL direction (anterior-posteriorly or medio-laterally)
Stability
TERM: Stability-Resistance to movement in a _______ direction (anterior-posteriorly or medio-laterally)
HORIZONTAL
TERM: Resistance to movement TOWARDS the tissues or teeth
Support
TERM: Support-Resistance to movement IN WHICH DIRECTION??
towards the tissues or teeth
TERM: A tooth that supports a partial denture
Abutment
TERM: A component of a partial denture that provides both retention and support for the partial denture
Retainer
TERM: Retainer-A component of a partial denture that provides both ________ and _______ for the partial denture
retention and support
Contraindications for RPD: 3 main items… WHAT should be the first choice when possible??
1.Caries 2.strain on teeth 3.not esthetic….FIXED partial denture should be first choice
KENNEDY: Characterized by BILATERAL edentulous areas located posterior to the remaining natural teeth. ( aka “Double Distal”)
Class I
KENNEDY: Characterized by a UNILATERAL edentulous area located posterior to the remaining natural teeth. (aka “Single Distal Extension”)
Class II
Kennedy Class I and II are _____ and ______ borne
tooth and soft tissue
KENNEDY: Characterized by a unilateral edentulous area with natural teeth both anterior and posterior to the space.
Class III
KENNEDY: Characterized by a single bilateral edentulous area located anterior to the remaining natural teeth; the space must cross the midline.
Class IV
Kennedy Class III and IV are largely _____ borne.
TOOTH
Applegates Rules: Classification should follow rather than precede any ________ of teeth that might alter the original classification.
EXTRACTION
Applegates Rules: If a _______ OR a _______ is missing and not to be replaced, it is not considered in the classification.
third molar OR a second molar
Applegates Rules: If a third molar is present and is to be used as an _______, it is considered in the classification.
abutment
Applegates Rules: The most _______ edentulous area always determines classification.
POSTERIOR
Applegates Rules: Edentulous areas other than those determining the classification are referred to as ________ and are designated by number.
modifications
What do a majority of failures in RPD result from?
incomplete treatment PLANNING!
What is the required root to crown ratio for a SINGLE ROOTED tooth to be used as an RPD abutment?
1:1 crown to root ratio
What are the three classic consequences of COMBINATION SYNDROME?
1.Resorbed pre maxilla 2.Super erupted mand anteriors 3.extruded maxillary tuberosities
