Upper / Lower Complete Denture Prosthesis Case 1: Preliminary Casts

Upper / Lower Complete Denture Prosthesis Case 1: Preliminary Casts

Upper and Lower Preliminary Casts with outline

Upper Preliminary Cast and Lower Preliminary Cast with outline for the fabrication of Custom Trays.

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Upper Valplast Complete Denture

Upper Valplast Complete Denture

An Upper Complete Denture, fabricated with valplast as Denture Base. This denture was made for a 64 years old female patient. The denture teeth used is Cosmo.

Valplast Upper Complete Denture - occlusal

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Causes of Injury in Fixed Partial Denture Tooth Preparation

Causes of Injury in Fixed Partial Denture Tooth Preparation

Causes of Injury in Tooth Prep


Temperature

Considerable heat is generated by friction between a rotary instrument and the surface being prepared. Excessive pressure, higher rotational speeds, and the type, shape and condition of cutting instrument. Feather light touch and water spray should be used.

Chemical Action

The chemical action of some dental materials (bases, restorative resins, solvents and luting agents) can caused pulpal damage.

Bacterial Action

Pulpal damage under restorations has been attributed to bacteria that either were left behind or gained access to the dentin because of microleakage. Antimicrobial agent after tooth preparation and before cementation should be used.

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Adjusting a Removable Partial Denture Metal Framework

Adjusting a Removable Partial Denture Metal Framework

There should be no clicking sound when a Removable Partial Denture metal framework is being seated inside the patient’s mouth. Clicking sound is a sign of excessive force applied on the abutments. The clasps should engage the abutments passively. There should be no pressure or force to the abutments especially when there’s no dislodging forces applied to the Removable Partial Denture. Below is a simple procedure to adjust a casted upper Removable Partial Denture framework.

Correction fluid is used to check pressure points or areas on the framework.

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Removable Partial Denture with Metal Framework Case 2

Removable Partial Denture with Metal Framework Case 2

Removable Partial Denture with Cobalt Chromium Framework with premature contact on the occlusal and cingulum rests.


In Removable Partial Denture one piece casting, it is necessary to check and adjust everything in wax pattern stage before the metal framework is casted. It is difficult to adjust the metal framework without disrupting its fit.

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