There is a newer edition of this item: Prosthodontic Treatment for Edentulous Patients: Complete Dentures and Implant-Supported Prostheses $ (11). There is a newer edition of this item: Prosthodontic Treatment for Edentulous Patients: Complete Dentures and Implant-Supported Prostheses 6, In stock. Edwards and Boucher, L.F. Edwards, C.O. BoucherAnatomy of Mouth in Relation to Complete Dentures. J.A.D.A., 29 (March ), pp. Boucher .

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The material of choice is rubber [ 16 – 20 ] Figure While making impression, one should apply pressure selectively only in certain areas, which can withstand the forces of mastication to minimize the possibility of soft-tissue abuse and bone resorption.

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Visit our Help Pages. This is based on selective-pressure technique; the spacer placed on relieving areas and the exposed areas acts as stoppers Figure Minimal-pressure technique is a compromise between mucostatic and mucocompressive techniques.

Guidelines Upcoming Special Issues. The stress-bearing areas in the maxillary arch cpmplete the horizontal plates of the palatine bone, and the relieving areas are midpalatine raphe and the incisive papilla. In this technique, by using custom trays with spacers of different materials and designs, vulnerable tissues are relieved and stresses are distributed selectively to biomechanically sound tissues.

Tissue stops are placed, each at canine region, bilaterally. But views of different authors on how to achieve selective-pressure impression are different.

Complete Dentures: Edited by Carl O. Boucher – Merrill Gustaf Swenson – Google Books

The thickness of spacer is determined by the type of impression material in the making of final impression and clinical situation as given in Table 1. Delivery and Returns see our delivery rates and policies thinking of returning an item? The latter is more reliable because of the accuracy with which we can achieve variable thickness in the impression material because of variable thickness of wax spacer and thereby achieve variable compression of tissues at different areas selective pressure at selected areas.


Bernardbased on selective pressure technique, recommends a layer of pink base-plate wax about 2 mm thick attached to the areas of the cast that usually have the areas of softer tissues; he recommends the placement of wax spacer all around, except the posterior part of the palate, which according to him are at high angles to the occlusal forces [ 8 ].

Frank has shown that least displacement will occur when an impression dentkre has relief space and escape holes [ 17 ].

Page 1 of 1 Start over Page 1 of 1. Boucher [ 2 ]. Apr 15, ; Accepted date: Proper knowledge of the anatomy of denture-bearing areas and the use of custom tray with a proper spacer design and its application during impression making is of utmost boufher for stable, retentive prostheses that is in harmony with surrounding and underlying tissues.

Partial spacer designs in the mandible cover only the anterior residual alveolar ridge when it is atrophic, resorbed, or flabby [ 26 – 29 ]. Can’t dentjre the image? It combines the principles of both mucocompressive and minimal- pressure techniques, which were proposed by Carl O.

Sharrybased on minimal-pressure technique, recommends adaptation of a layer of base-plate wax over the whole area outlined for tray even in PPS area.

There was a problem filtering reviews right now. Four basic impression philosophies proposed over years for impression making are: Full coverage with tissue stops provides uniform thickness of impression material. If you are a seller for this product, would you like to suggest updates through seller support? Four tissue bouccher, each at canine and molar regions and the exposed areas act as stoppers.

The history of impression making for complete denture dates back to the era when wood or ivory blocks were carved to accommodate the intraoral contours. Once the operator is satisfied with the retention, selective relief is accomplished by scraping in the boucber of incisive papilla, rugae, and mid palatal areas Figure 8.

Its disadvantage is that due to the lack of sufficient coverage of denture-bearing area, the denture will have poor retention, stability, and aesthetic appearance. After analysis of complfte contours, undercuts are blocked out. Mucocompressive impression technique records the tissues in their functional form so as to provide denture stability during function.


Miscellaneous spacer design for maxillary arch. In the first technique, he makes the primary impression with impression compound in a nonperforated stock tray; the borders are refined.

I-spacer design for maxillary arch. Based on minimal-pressure technique, a 1 mm base-plate wax is placed over the basal area except right and left dehture hard palate.

Shetty described a technique in which a thin sheet of wax 0. One page is torn What other items do customers buy after viewing this item? Later, space is provided in selected areas by scraping of the impression compound.

Review Article Open Access. But the dentist usually uses stock tray for making primary impression as well as final impression due to the lack of knowledge of the following: To get the free app, enter mobile phone number.

The borders are refined with Kerr green stick compound. He also advocated the placement of escape holes with no. Later, he recommends the placement of spacer or pressure control bud did not mention clearly about the wax spacer design. Denturw offers a thorough understanding of the functional and esthetic implications of edentulism, as well as information on the behavioral and clinical aspects of diagnosis and treatment.

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According to him, PPS will compllete as guiding stop to position the tray properly during impression procedures. One of the key factors affecting the outcome of the treatment is the impression procedure involved in the fabrication of complete denture prosthesis. Customers who bought this item also bought. Partial spacerslike I-spacer and T-spacer, cover specific tissues based on different clinical situations.

Clinical situation Impression material Spacer design and thickness Nonundercut ridges i Impression plaster ii Zinc oxide eugenol 2 mm spacer with tissue stops 0.