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Sunday, February 16, 2020 | History

1 edition of Routine gingival retraction. (Videotape) found in the catalog.

Routine gingival retraction. (Videotape)

Routine gingival retraction. (Videotape)

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Published by [Dept. of Restorative Dentistry], Faculty of Dentistry, [Univ. of Toronto] in Toronto .
Written in English

    Subjects:
  • Dental impressions.,
  • Dental impression technic.,
  • Gingiva.,
  • Impressions.

  • About the Edition

    Describes technique for placing gingival retraction prior to a polysulfide or reversible hydrocolloid impression for fixed prosthodontic procedures.-

    Edition Notes

    ContributionsWatson, Philip Arthur, 1943-, Toronto, Ont. University. Dept. of Restorative Dentistry.
    The Physical Object
    Pagination30min., 1 tape :
    Number of Pages30
    ID Numbers
    Open LibraryOL16831357M

    Expasyl paste material provides high hemostasis and a little gingival retraction and is a chemical agent in an Routine gingival retraction. book matrix that may be applied in impression making and delivery of indirect restorations. In tooth supported and implant supported fixed prosthesis, impression making requires accurate record of the prepared finish line area, especially in cases where the prepared finish line is located at same level of gingiva or sub-gingiva [ 1 - 3 ]. In such cases, the gingival findings must be corroborated by medical examination and hematologic study. After preparing the finish line of the abutment tooth, the marginal gingiva is displaced to control the bleeding, gingival fluid flow and more penetration of the impression material. Growth-factor techniques[ edit ] Recent advances have seen the introduction of platelet derived growth factor PDGF infused bone graft material.

    Expasyl paste material provides high hemostasis and a little gingival retraction and is a chemical agent in an injectable matrix that may be applied in impression making and delivery of indirect restorations. In acute leukemia, the primitive "blast" cells are released into the peripheral circulation. Thanks for reading! Conclusions were extracted and summarized. Disadvantages are greater cost, inhibiting polymerization of polyether and polyvinyl siloxane impression materials.

    This technique can control four forces affecting the gingiva during sub-gingival impression. Crowns and other extra-coronal restorations: impression materials and technique. I he cellular ac cumulation is denser in the entire reticular connective tissue layer. Comparable' oral changes occur Routine gingival retraction. book more than one form of blood dyscrasia, and secondary inflammatory changes produce a wide range of variation in the oral signs Cingival and periodontal disturbances associated with blood dyscrasias must be thought of in terms of fundamental interrelationships between Ihe oral tissues and the blood and blood-forming organs rather than in terms of a simple association of dramatic oral changes with hematologic disease. Wiping the tooth surface in the area with a cleansing agent, such as Tublicid Global Dentalallows the adhesive process to continue without re-etching the area.


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Routine gingival retraction. (Videotape) Download PDF Ebook

The precise transfer of the spatial relationships of implants from the oral cavity to the master cast with an impression is the first and critical step to ensure passive fit of implant framework. This article has been cited by other articles in PMC.

Expasyl Gingival Retraction Paste

Restorations play an important role in the ecological balance of plaque and maintenance of the periodontium. Acute gingivitis and lesions of necrotizing ulcerative gingivitis are more frequent and severe in terminal cases of acute leukemia19 Figs.

Trauma to the tissues, such Routine gingival retraction. book serious impact on a tooth or excessive pressure exerted on teeth during orthodontic treatment, can be a possible cause as well.

Aims and objectives Dental surgeons generally believe that retraction materials do not cause injury to the gingival sulcus epithelium. Setting expansion of the material against gingival sulcus wall is achieved by hydrogen dioxide release [ 4 ].

Dent Today. But as an overall tool for soft-tissue management during restorative procedures, Expasyl is a material that I cannot practice efficiently without! Chronic Leukemia In chronic leukemia, clinical oral changes suggesting a hematologic disturbance are very rare.

If the paste remains in place for 1 minute, enough pressure to open the sulcus 0.

Dental Gingival Retraction Cord: What It Is and Why We Use It

The effect of sulcular width on the linear accuracy of impression materials in the presence of an undercut. Such etiologic factors include aplasia of the marrow; crowding out of the megakaryocytes in the marrow, as in leukemia; replacement of the marrow by tumor; and destruction of the marrow by irradiation or radium or by drugs such as benzene, aminopyrine, and arsenical agents.

In acute leukemia, the primitive "blast" cells are released into the peripheral circulation. Symptoms[ edit ] Gum recession is generally not an acute condition.

Sudden increase in the epinephrine level after a stressful dentistry session can be seen even in healthy people. First, as a true replacement for retraction cord, while an excellent alternative to traditional retraction Routine gingival retraction. book in many cases, it is still a challenge to deflect gingival tissues adequately for deep subgingival margins using Expasyl alone.

This article has another picture of dental retraction cord. Common findings include degeneration associated with intercellular and intracellular edema and Routine gingival retraction.

book c infiltration with diminished surface keratiriization. The important thing is that sulfate compounds may inhibit or delay the polymerization reaction of the additive silicone impression materials [ 22 ]. Soft and Routine gingival retraction.

book tissues discoloration may occur to acidic and corrosive properties of ferrous salts [ 22 ]. An in vitro study showed that dentinal exposure with a strong acidic ferric sulfate can remove the smear layer during 30 seconds [ 38 ].

The instructor claimed that the restoration using G cuff is more accurate than open tray and close tray impression techniques [ 4 ]. Cement retained restorations are preferred to screw the retained restorations. If the cementum covering the root is not protected anymore by the gums, it is easily abraded exposing the dentin tubules to external stimuli.

If the sulcus width is less than this value, impression material is unable to resist against the rupture and deformation, thereupon the impression marginal accuracy is reduced. J Am Dent Assoc.

Food packing is usually caused by failure to accurately reproduce the contact points when dental restorations are placed on the interproximal surfaces of teeth.Predictable Gingival Retraction and Hemostasis With Gingival Retraction Cord When deciding which technique to use with gingival retraction cord, it is important to evaluate the health of the gingiva and the depth of the gingival sulcus.

When there is minimal sulcus depth, the clinician is limited in many cases to placing only a single cord. VPS Gingival Retraction System.

GingiTrac is a medium-viscosity, vinyl polysiloxane (VPS) gingival retraction paste with 15% ammonium aluminum sulfate (alum) that gently displaces the gingiva from the tooth and stops bleeding.

When used with GingiCap™ compression caps, the mechanical bite pressure of GingiCap combined with the astringent. A search of the literature on PubMed and Google Scholar reveals that most of the articles published globally on gingival retraction techniques are in vitro studies or studies comparing the efficacy of various retraction techniques.2,5,7,11,12 There is a lack of data reporting the practice of dentists regarding gingival retraction method.A clinical study on the effects of cordless and conventional retraction techniques on the gingival pdf periodontal health Dental students (n=60) with healthy gingival conditions were Yu Ban, Zongdao Shi and Chunjie Li, Gingival retraction for fixed prosthodontic treatment, Cochrane Database of Systematic Reviews, /Sep 30,  · A number of gingival retraction techniques are available, broadly classified as surgical and non - surgical methods.

Every practicing dentist needs to employ gingival retraction methods during routine dental procedures, especially when providing crowns with subgingival margins or when restoring cervical lesions on a tooth.VPS Gingival Retraction System.

Ebook is a medium-viscosity, vinyl polysiloxane (VPS) gingival retraction paste with 15% ammonium aluminum sulfate (alum) that gently displaces the gingiva from the tooth and stops bleeding.

Periodontal abscess

When used with GingiCap™ compression caps, the mechanical bite pressure of GingiCap combined with the astringent.