The Kennedy method of classification of Edentulous Spaces was originally proposed by Dr. Edward Kenedy in 1925. Like the Bailyn classification and also the Skinner classification, it is to classify the partially edentulous arch in a manner that will suggest certain principles of design for a given situation.
What is the modification in Kennedy?
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 combination syndrome?
Combination syndrome (CS) is a dental condition that is commonly seen in patients with a completely edentulous maxilla and partially edentulous mandible with preserved anterior teeth.
What is Ante’s law?
Ante’s law states that “the total periodontal membrane area of the abutment teeth must equal or exceed that of the teeth to be replaced.”1 For more than 80 years, this law has been taught in standard textbooks of prosthodontics as an important condition influencing FDP design.
What is minor connector?
DEFINITION. A MINOR CONNECTOR is the connecting link between the major connector or base of a RPD and the other units of the prosthesis, such as clasps, indirect retainers, and occlusal rests. 1. Minor connectors join. the major connector with other parts of the RPD.
What determines the basic classification of edentulous arches?
The most posterior edentulous space determines the class of the arch for Classes I through IV. The length of the edentulous space, i.e. the number of missing teeth or the number of prosthetic teeth to be used on the denture, is not considered in the classification.
What is RPI system?
RPI is a modified I-bar retainer system. Krol devised it in 1973. All the components of the I-bar assembly were modified significantly to fulfill Krol’s design. Principle of Krol’s design was – “Stress control with minimal tooth & gingival coverage”.
What is Christensen phenomenon?
[C. Christensen, Danish dentist and educator] A gap occurring in the natural dentition or between the opposing posterior flat occlusal rims when the mandible is protruded (posterior open bite). It can lead to instability in full dentures unless compensating curves are incorporated into the dentures.
What is telescopic denture?
A telescopic denture is defined as “an overdenture which is a dental prosthesis that covers and is partially supported by natural teeth, natural tooth roots, and/or dental implants” [3]. The term telescopic denture refers to the type of prosthesis that includes double crowns as retainers or attachments.
What is a telescopic crown?
The telescopic crown is defined as an artificial crown fabricated to fit over a coping (1). Telescopic crowns have been used mainly in removable dental prostheses (RDP) to connect the dentures to the remaining dentition (2, 3).
When do you use a lingual bar?
The lingual bar should be used for mandibular removable partial dentures when sufficient space exists between the slightly elevated alveolar lingual sulcus and the lingual gingival tissue.
What is denture base?
DEFINITION. A denture base is that part of a denture which rests on the foundation areas and to which teeth are attached.
What is direct retainer?
Direct retainer: It is that component of a removable partial denture that is used to retain and prevent dislodgment, consisting of a clasp assembly or a precision attachment (GPT 8)
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