Which Kennedy classification can have no modifications?
This is Kennedy class III with two edentulous area – the second premolars and first molars are missing posteriorly and lateral incisor and canine missing anteriorly, hence designated as class III modification 2. Rule 8: No modification areas can be included in Class IV arches.
What two basic Kennedy classifications are bilateral?
CLASS I: Bilateral edentulous areas located posterior to the remaining natural teeth. CLASS II: A unilateral edentulous area located posterior to the remaining natural teeth.
What are the parts of a removable partial denture?
Generally speaking, any removable partial denture includes the following components: the saddle, direct retainers, indirect retainers, connectors, and incisal and occlusal rests. Each of these components helps the denture work efficiently within the mouth.
What is modifications of Kennedy classification?
The Kennedy classification has been modified by Applegate with the addition of two more groups. Class V: Tooth-bounded edentulous area where the anterior abutment is a weak (e.g., lateral incisor) abutment that is incapable of providing support for a conventional RPD and edentulous space is long (Fig. 3.5).
What is a combination clasp?
A combination clasp is a circumferential retainer for a removable dental prosthesis that has a cast reciprocal arm and a wrought wire retentive clasp (GPT8). It consists of a wrought wire retentive arm and a cast reciprocal arm. The combination of a wrought alloy and cast alloy gives it the name ‘combination clasp’.
What is the term for the retainer on a partial denture?
Telescopic retainers are an effective means for retaining the removable partial dentures and dentures. They transfer forces along the long axis of the abutment teeth and provide guidance, support and protection from the movements that dislodge the denture.
What is stress breaker in RPD?
❑ A stress breaker is something like a hinge joint placed within the. denture framework, which allows the two parts of the framework. on either side of the joint to move freely. ( Mc Cracken)
What is combination syndrome for dentures?
Combination syndrome (CS) is defined as “a condition caused by the presence of the lower anterior teeth and the absence of the posteriors and resulting in significant maxillary anterior alveolar resorption.”1 This condition often develops in cases of a complete maxillary denture opposing a bilateral distal extension …
What is difference between pier and abutment?
Pier are the internal supports of the bridge. Abutments are the ends supports of the bridge. Pier can use more than two in bridge construction. Pier are constructed between the abutments.