Overdenture
A complete or partial removable denture supported by retained roots that is intended to provide improved support, stability, and tactile and proprioceptive sensation and to reduce ridge resorption.
Advantages
— Preserve alveolar ridge
— Possibly
-support
-proprioreception
-retention (eventually)
-stress distribution
-support
-proprioreception
-retention (eventually)
-stress distribution
Disadvantages
· Poor oral hygiene
-caries and periodontal disease
— Soft tissue undercuts
-esthetics
-retention
-esthetics
-retention
— Breakage of denture
-thin
-stress concentration over abutments
-thin
-stress concentration over abutments
Selection of abutment teeth
— One per quadrant
— Not adjacent teeth
— Usually mandibular cuspids and premolars
— Maxillary cuspids frequently cause esthetic and retention problems due to soft tissue undercuts
Overdentures
— Regard as transitional
- need perfect oral hygiene
-daily non acidulated topical fluoride (sodium fluoride)
-daily non acidulated topical fluoride (sodium fluoride)
— Probably better to place 2 implants
A Video On Implant Supported Overdenture
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The fold of mucous membrane connecting the tongue with the floor of the mouth and the mandibular alveolar process.Loop Perio
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