Pdf impression techniques for management of flabby. Effect of commonly consumed beverages on color stability of polymethyl methacrylate denture base material. The dental technician pours gypsum into the impression to obtain a dental cast. Impact of various impression techniques on maxillary flabby ridge tissue displacement within subject evaluation article pdf available in egyptian dental journal 633. Flabby ridge, views of different dentists, and then the. It showed the least consistency on flat ridges and highest consistency in the flabby. Various impression techniques have been proposed to solve this problem. It is a static impression, because, during the impression, no functional movements were performed. Covering the functional and esthetic needs of edentulous patients, prosthodontic treatment for edentulous patients. For flabby ridge impressions, light body impression materials produce minimal tissue displacement however there uniform and controlled application is sensitive to operator technique. The neutral zone is the area where the displacing forces of the lips cheeks and tongue are in balance.
One of the methods used to solve this problem is the neutral zone technique. A technique for impressing the severely resorbed mandibular. Quantifying flabby ridge tissue displacement during impressionmaking for patients with combination syndrome. Hypermobile ridges or flabby edentulous ridges are a common occurrence in edentulous patients. After the material sets, the impression is sent to the dental laboratory. Critical evaluation of methods to record centric jaw relation sanjay. Theaims to explain the window impression technique for a single denture with flabby tissue area in maxillary anterior ridge in the form of case report. The impression is then poured and a special tray is constructed on the model. Apr 01, 2012 hypermobile ridges or flabby edentulous ridges are a common occurrence in edentulous patients. Dimensional changes of impression material andor casts render the care used worthless 2.
The special tray is close fitting and has a hole or window over the area corresponding to the flabby ridge. A technique for impressing the severely resorbed mandibular edentulous ridge a technique for impressing the severely resorbed mandibular edentulous ridge chandrasekharan, nair k kunnekel, ashish t verma, mahesh. Five steps to flabby ridge success british dental journal. An edentulous stock metal tray that is approximately 6mm larger than the outside surface of the residual ridge is selected. Teeth were arranged according to resorption pattern of the edentulous jaws, in a crisscross way to reduce the leverage forces. This paper presents three case reports for prosthodontic rehabilitation of patient with flabby ridges with three different impression techniques. Pdf impression techniques for management of flabby ridges in. Management of the flabby ridge using a modified window technique. The boiling technique also was used to recondition friction ridge skin on bodies recovered weeks after hurricane katrina august 2005 in the u. Until the end of nineteenth century it was the most commonly used method. Modified impression techniques when used in this condition can record the flabby tissues in an undistorted form and thus help to fabricate a stable and functionally satisfying denture. I have not found the implementation to be perfect ive run into some issues with scaling, positioning, etc.
Sectional impression technique window technique selective tech. In this paper, the authors have proposed a newer technique of impression making. A primary impression is taken in alginate loaded in a stock tray. Conventional mucostatic methods like employing a window tray technique, multiple relief holes, or double spacers can be employed when the flabby tissue. A physiologic impression technique for resorbed mandibular ridges manisha herekar1, megha sethi2, aquaviva fernandes3, harish kulkarni4 professor and head, 2postgraduate student, email. Quantifying flabby ridge tissue displacement during impression making for patients with combination syndrome.
Comparison of different final impression techniques for. It is a partial impression because it captures only a part of the dental arch several teeth it is made using the twostep technique with two distinct impression materials, one for each step. Centric relation is the most difficult, yet, most important step in treating edentulous patients with complete dentures. The use of conventional impression techniques on flabby ridges can lead to an unstable and unsatisfactory denture. Special impression techniques displaced flabby maxillary ridge unemployed mandibular ridge flat atrophic mandibular ridge covered with atrophic mucosa denture space impression neutrozone impression technique. They are distributed in five upper and five lower sizes. A dental impression is a negative imprint of hard teeth and soft tissues in the mouth from which a positive reproduction cast or model can be formed. Critical evaluation of methods to record centric jaw. Complete dentures and implantsupported prostheses, th edition helps you provide complete dentures, with and without dental implant support. An impression technique is required which will compress the non flabby tissues to obtain optimal support and at the same time, will not displace the flabby. A method for obtaining quality postmortem impressions from deteriorating friction ridge skin, journal of forensic identification 2007 57. A physiologic impression technique for resorbed mandibular ridges. The first and most basic filing technique is called straightfiling, and involves pushing the file lengthwise across the work, making contact only on the forward stroke. Comparison of different final impression techniques for management of resorbed mandibular ridge.
The materials are also readily available in the market and the method is easy to. The borders of the stock tray are lined with a strip of soft boxing wax so a rim is created to help confine the alginate. Chapter on the timedependent changes which occur in the oral cavity focuses on both timerelated direct ulcercheek biting, irritation hyperplasia, denture stomatitis, flabby ridge and pendulous maxillary tuberosities, hyperkeratosis and oral cancer, residual ridge reduction and indirect atrophy of masticatory muscles, nutritional status. Clearly, an impression technique is required which will compress the nonflabby tissues to obtain optimal support, and, at the same time, will not displace the flabby tissues. Tryde et al 4 treated a number of patients with extreme resorption of the mandibular residual ridge. Fourteen articles compare open and closed impression technique, 8 advocate the open technique, and 6. Pdf impression techniques for management of flabby ridges. Code of practice is dangerous and everchanging in todays world.
Clearly, an impression technique is required which will compress the nonflabby tissues to obtain optimal support, and, at the same time, will not displace the flabby tissues selective. A particular problem is encountered if a flabby ridge is present within an otherwise normal denture bearing area. Alternatively, the digital impression can be sent to a laboratory for any cadcam or traditional restoration fabrication. Abstract when friction ridge skin is compromised by various destructive influences, it often breaks down into flaccid skin with no discernible friction ridge detail. Preprosthetic surgery preprosthetic surgery is carried out to reformredesign softhard tissues, by eliminating biological hindrances to receive comfortable and stable prosthesis. On this cast, the technician manufactures an impression tray that fits the dental arch as. Impression making is an essential step in fabrication of complete dentures. An impression technique is required which will compress the non flabby tissues to obtain optimal support and at the same time, will not displace the flabby tissues. Apr 01, 2012 a technique for impressing the severely resorbed mandibular edentulous ridge a technique for impressing the severely resorbed mandibular edentulous ridge chandrasekharan, nair k kunnekel, ashish t verma, mahesh. Relating this to complete denture impression technique, we have been provided with a set of philosophies no pressure, minimal pressure.
Impression procedure for flabby ridge objectives impression of the flabby area made with pressure free technique. It is made by placing an appropriate material in a stock or custom dental impression tray which is. Nov 19, 2014 sectional impression techni ue window technique. Following the preparation of a tooth for a gold inlay, a gold crown or a bridge retainer, a wax pattern, carved to the approximate shape of the tissue removed, must be. It is seen most commonly in the anterior part of the maxilla, particularly when there are remaining anterior teeth in the mandible, and is probably the sequel of excessive load of the residual ridge and unstable occlusal conditions. Impression techniques for the effective management of flabby. Pdf rehabilitation of a completely edentulous patient with flabby tissue is a testing situation for a prosthodontist as it adversely affects. Complete denture fabrication in clinically compromised situations such as flabby ridges is a challenging task for the clinician. Use the right filing technique to smooth surfaces correctly. Conventional mucostatic methods like employing a window tray technique, multiple relief holes, or double spacers can be employed when the flabby tissue is localized. Under compression, the denture bearing area will exhibit localised mobility around the flabby tissue. Fabrication of new complete dentures was planned for the patient with recording of flabby tissue in undisplaced condition using hobkirk technique. The literature reveals that the mucostatic impression technique is one of the treatment options in this scenario.
Sep 09, 2017 clearly, an impression technique is required which will compress the non flabby tissues to obtain optimal support, and, at the same time, will not displace the flabby tissues. Multiple techniques for the management of flabby ridges have been proposed. Impression compound dpi pinnacle, the bombay burmah trading and green tracing stick compound in the ratio of 3. Digital impression system virtually becoming a reality. This study was conducted to determine the effect of various impression techniques on the displacement of flabby tissues overlying the edentulous maxillary ridge. Impression of flabby displaced maxillary ridge in all areas clinical appearance fabrication of custom tray custom tray with adhesive tape completed pop impression. Flabby ridges when recorded using a conventional method are compressed. First impression techniques 1461 n kingshighway st, cape girardeau, missouri 63701 rated 4. Case report comparison of different final impression. Even though there are innumerable techniques and procedure for impression making,it is the responsibility of the dentist to select the best possible procedure for achieving the best. The purpose of this paper is to describe an impression technique for flabby ridges that makes use of polyvinylsiloxane impression dental materials routinely available in general dental practice.
In this paper, the authors have proposed a newer technique of impression making of the flabby tissues using a combination of readily available newer and older materials. Essentials of complete denture prosthodontics download. Use this technique if you have prepared and seated an abutment chairside or if the patient presents to you with a modified abutment in place. A special impression technique was followed to record the flabby edentulous ridge in an undisplaced state and rest of the tissues under pressure so that the flabby tissue compression and rebounding are avoided. The technique of choice in cases with flabby ridge increased thickness of mucosa covering the ridge disadvantages 1. Bone height changes of the mandibular edentulous ridge in. Apr 18, 2016 impression procedures first technique. Impression technique should be selected on the basis of biologic factor dictated by the anatomy and the physiology of the mouth dictated by the orofacial tissues. Management of the flabby ridge using a modified window.
Special impressions often involve window technique for static impression of flabby. The text is techniqueoriented and relates the basic sciences of anatomy, physiology, pathology, pharmacology. Allen, management of the flabby described a technique whereby two separate impression ridge. Prosthodontic rehabilitation of patient with flabby ridges with.
Gulf coast region, resulting in friction ridge impressions that were used to determine and confirm the identities of victims. Prosthodontic rehabilitation of patient with flabby ridges. Ijcdc july dec 2017 vol 7 issue 2 indian journal of. Thus this case report presents a modified impression technique for flabby tissues in the anterior maxillary region. My guess is that the creator of the pdf file locked it so you cant copy the text that is an option with pdf files i doubt even the adobe website could copy it but by requiring a url can posting it to a hosting site like mediafire give you the url you need to post it there and try out the service to see if it will pull the text out. Technique in the first stage, the practitioner makes a preliminary impression with a rigid or elastic material using the onestep technique. A modified window technique described in this report demonstrates an effective way for controlled application of light body pvs impression material, for a non. A single step impression technique of flabby ridges using monophase. They have told that the shape of the osseous structures in these patients offers little possibility of retention and stability of complete dentures. Impression of the sound edentulous arch that can withstand the occlusal load made with pressure technique. That technique neglects the value of masticatory force distribution 4. Textbook of complete dentures, sixth edition presents various aspects of the basic principles of complete denture prosthodontics.
Conclusion managing a patient with flabby maxillary ridge can be a challenging problem. Is mobile or extremely resilient alveolar ridge and occurs due to replacement of bone by fibrous tissue. In this study ten completely edentulous maxillary arches patients with. During the scan, a pulsating blue light emanates from the. T h e s e n t s tl file o f th e v irtu al gu id e w a s e x por ted i n to t h e ra p id p ro to typ in g m a c h in e at th e. Impression making plays critical role in complete denture fabrication. Liquid supported denture fabricated using modified window impression technique can stand a better option in case of flabby ridges. Impression techniques for the effective management of. In particular, problems arise during impression making when forces distort the mobile denture bearing area.
In this paper, the authors have proposed a newer technique of impression making of the flabby tissues using a combination of readily available newer and. Prosthodontic literature has documented various impression techniques for overcoming the problem of the flabby ridge. Prosthodontic treatment for edentulous patients ebook. Critical evaluation of methods to record centric jaw relation.
Based on the particular condition, dentist needs to select material and technique of impression for success of complete denture therapy. A case report bhupenderyadav,manishajayna,harishyadav,shreysuri, shefaliphogat,andreshumadan department of prosthodontics, sgt dental college and hospital, gurgaon, india correspondence should be addressed to bhupender yadav. Preprosthetic surgery is defined as surgical procedures designed to facilitate fabrication of a prosthesis or to improve the prognosis of prosthodontic care. A fibrous or flabby ridge is a superficial area of mobile soft tissue affecting the. Accuracy comparison of implant impression techniques.
A single step impression technique of flabby ridges using. Management of flabby ridge using modified window technique. Pdf impact of various impression techniques on maxillary. It addresses both the behavioral and clinical aspects of diagnosis and treatment and covers treatment modalities. The technology used in this study was selective laser sintering fabricated in a sliceby. Neutral zone impression technique the loose and unstable lower complete denture is one of the most common problems faced by denture patients. Selective impression techniques have long been used in such cases, ensuring the displaceable.
Definitive impression making i massad edentulous tray. Accurate impressioning of these tissues plays a major role in ensuring a wellfitting prosthesis. This article presents a case report of management of flabby tissues over anterior maxillary ridge by watsons window technique. A physiologic impression technique for resorbed mandibular. The appropriate ibm reference point is afprsc afp resource keyword in printer files. In the second technique, mandibular secondary impression was made using mccord and tysons admixed technique for flat mandibular ridges.
Definitive impression making i massad edentulous tray a definitive impression making can be performed with a special stock tray specifically designed to meet the requirements of the edentulous patient. Unless managed appropriately by special impression techniques, such flabby ridges adversely affect the support, retention and stability of complete dentures. Central metallurgic research and developing institute. A chairside system is being developed that will scan a traditional impression in the office and create a digital impression file 3shape. Impression technique guide 7 excellence through education seating and removal of the tray retract cheek bilaterally when seating, even for a triple tray impression, since a patient may favor the retracted side when closing and not close into centric occlusion.
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