Quantifying flabby ridge tissue displacement during impression making for patients with combination syndrome. Preprosthetic surgery preprosthetic surgery is carried out to reformredesign softhard tissues, by eliminating biological hindrances to receive comfortable and stable prosthesis. A single step impression technique of flabby ridges using monophase. 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. I have not found the implementation to be perfect ive run into some issues with scaling, positioning, etc. The literature reveals that the mucostatic impression technique is one of the treatment options in this scenario.
On this cast, the technician manufactures an impression tray that fits the dental arch as. Management of the flabby ridge using a modified window. Fourteen articles compare open and closed impression technique, 8 advocate the open technique, and 6. In this paper, the authors have proposed a newer technique of impression making. 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. Case report comparison of different final impression. The impression is then poured and a special tray is constructed on the model. That technique neglects the value of masticatory force distribution 4. Management of flabby ridge using modified window technique. It showed the least consistency on flat ridges and highest consistency in the flabby.
Central metallurgic research and developing institute. In particular, problems arise during impression making when forces distort the mobile denture bearing area. This paper presents three case reports for prosthodontic rehabilitation of patient with flabby ridges with three different impression techniques. Quantifying flabby ridge tissue displacement during impressionmaking for patients with combination syndrome. A physiologic impression technique for resorbed mandibular ridges. Definitive impression making i massad edentulous tray. Code of practice is dangerous and everchanging in todays world. The appropriate ibm reference point is afprsc afp resource keyword in printer files. A method for obtaining quality postmortem impressions from deteriorating friction ridge skin, journal of forensic identification 2007 57. Impression of flabby displaced maxillary ridge in all areas clinical appearance fabrication of custom tray custom tray with adhesive tape completed pop impression. During the scan, a pulsating blue light emanates from the. 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 modified window technique described in this report demonstrates an effective way for controlled application of light body pvs impression material, for a non.
After the material sets, the impression is sent to the dental laboratory. Unless managed appropriately by special impression techniques, such flabby ridges adversely affect the support, retention and stability of complete dentures. They are distributed in five upper and five lower sizes. A primary impression is taken in alginate loaded in a stock tray. Impression techniques for the effective management of flabby. Liquid supported denture fabricated using modified window impression technique can stand a better option in case of flabby ridges.
A physiologic impression technique for resorbed mandibular ridges manisha herekar1, megha sethi2, aquaviva fernandes3, harish kulkarni4 professor and head, 2postgraduate student, email. The dental technician pours gypsum into the impression to obtain a dental cast. 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. 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.
Special impression techniques displaced flabby maxillary ridge unemployed mandibular ridge flat atrophic mandibular ridge covered with atrophic mucosa denture space impression neutrozone impression technique. A particular problem is encountered if a flabby ridge is present within an otherwise normal denture bearing area. Impression making plays critical role in complete denture fabrication. Apr 01, 2012 hypermobile ridges or flabby edentulous ridges are a common occurrence in edentulous patients. Impression techniques for the effective management of. 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. Impact of various impression techniques on maxillary flabby ridge tissue displacement within subject evaluation article pdf available in egyptian dental journal 633.
Technique in the first stage, the practitioner makes a preliminary impression with a rigid or elastic material using the onestep technique. Multiple techniques for the management of flabby ridges have been proposed. Flabby ridge, views of different dentists, and then the. Nov 19, 2014 sectional impression techni ue window technique. Critical evaluation of methods to record centric jaw relation sanjay. A single step impression technique of flabby ridges using. An edentulous stock metal tray that is approximately 6mm larger than the outside surface of the residual ridge is selected. 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. Is mobile or extremely resilient alveolar ridge and occurs due to replacement of bone by fibrous tissue. Tryde et al 4 treated a number of patients with extreme resorption of the mandibular residual ridge.
Effect of commonly consumed beverages on color stability of polymethyl methacrylate denture base material. 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. Teeth were arranged according to resorption pattern of the edentulous jaws, in a crisscross way to reduce the leverage forces. A chairside system is being developed that will scan a traditional impression in the office and create a digital impression file 3shape. 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. It is a static impression, because, during the impression, no functional movements were performed. 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. Based on the particular condition, dentist needs to select material and technique of impression for success of complete denture therapy. The technology used in this study was selective laser sintering fabricated in a sliceby. Bone height changes of the mandibular edentulous ridge in. 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. Special impressions often involve window technique for static impression of flabby.
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. Selective impression techniques have long been used in such cases, ensuring the displaceable. This study was conducted to determine the effect of various impression techniques on the displacement of flabby tissues overlying the edentulous maxillary ridge. This article presents a case report of management of flabby tissues over anterior maxillary ridge by watsons window technique. Fabrication of new complete dentures was planned for the patient with recording of flabby tissue in undisplaced condition using hobkirk technique. Prosthodontic rehabilitation of patient with flabby ridges. It addresses both the behavioral and clinical aspects of diagnosis and treatment and covers treatment modalities. In this study ten completely edentulous maxillary arches patients with. Critical evaluation of methods to record centric jaw. 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. Impression of the sound edentulous arch that can withstand the occlusal load made with pressure technique.
Centric relation is the most difficult, yet, most important step in treating edentulous patients with complete dentures. Accurate impressioning of these tissues plays a major role in ensuring a wellfitting prosthesis. A technique for impressing the severely resorbed mandibular. The neutral zone is the area where the displacing forces of the lips cheeks and tongue are in balance. They have told that the shape of the osseous structures in these patients offers little possibility of retention and stability of complete dentures. Prosthodontic treatment for edentulous patients ebook. 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. The use of conventional impression techniques on flabby ridges can lead to an unstable and unsatisfactory denture. The text is techniqueoriented and relates the basic sciences of anatomy, physiology, pathology, pharmacology. It is made by placing an appropriate material in a stock or custom dental impression tray which is. Comparison of different final impression techniques for management of resorbed mandibular ridge. Prosthodontic rehabilitation of patient with flabby ridges with. Hypermobile ridges or flabby edentulous ridges are a common occurrence in edentulous patients.
Alternatively, the digital impression can be sent to a laboratory for any cadcam or traditional restoration fabrication. For flabby ridge impressions, light body impression materials produce minimal tissue displacement however there uniform and controlled application is sensitive to operator technique. Five steps to flabby ridge success british dental journal. 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.
Impression compound dpi pinnacle, the bombay burmah trading and green tracing stick compound in the ratio of 3. Until the end of nineteenth century it was the most commonly used method. Covering the functional and esthetic needs of edentulous patients, prosthodontic treatment for edentulous patients. Conventional mucostatic methods like employing a window tray technique, multiple relief holes, or double spacers can be employed when the flabby tissue is localized. Neutral zone impression technique the loose and unstable lower complete denture is one of the most common problems faced by denture patients. Conventional mucostatic methods like employing a window tray technique, multiple relief holes, or double spacers can be employed when the flabby tissue.
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. Complete dentures and implantsupported prostheses, th edition helps you provide complete dentures, with and without dental implant support. 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. The boiling technique also was used to recondition friction ridge skin on bodies recovered weeks after hurricane katrina august 2005 in the u. Ijcdc july dec 2017 vol 7 issue 2 indian journal of. Conclusion managing a patient with flabby maxillary ridge can be a challenging problem.
Dimensional changes of impression material andor casts render the care used worthless 2. Apr 18, 2016 impression procedures first technique. 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. Management of the flabby ridge using a modified window technique. In the second technique, mandibular secondary impression was made using mccord and tysons admixed technique for flat mandibular ridges. Pdf impression techniques for management of flabby ridges in. Gulf coast region, resulting in friction ridge impressions that were used to determine and confirm the identities of victims. Impression making is an essential step in fabrication of complete dentures.
Pdf impact of various impression techniques on maxillary. Preprosthetic surgery is defined as surgical procedures designed to facilitate fabrication of a prosthesis or to improve the prognosis of prosthodontic care. 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. Essentials of complete denture prosthodontics download. Use the right filing technique to smooth surfaces correctly. Pdf impression techniques for management of flabby ridges. Thus this case report presents a modified impression technique for flabby tissues in the anterior maxillary region. A fibrous or flabby ridge is a superficial area of mobile soft tissue affecting the. 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.
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. Abstract when friction ridge skin is compromised by various destructive influences, it often breaks down into flaccid skin with no discernible friction ridge detail. Under compression, the denture bearing area will exhibit localised mobility around the flabby tissue. 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. Prosthodontic literature has documented various impression techniques for overcoming the problem of the flabby ridge. Critical evaluation of methods to record centric jaw relation. Accuracy comparison of implant impression techniques. 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. Flabby ridges when recorded using a conventional method are compressed. Complete denture fabrication in clinically compromised situations such as flabby ridges is a challenging task for the clinician.
First impression techniques 1461 n kingshighway st, cape girardeau, missouri 63701 rated 4. Various impression techniques have been proposed to solve this problem. Textbook of complete dentures, sixth edition presents various aspects of the basic principles of complete denture prosthodontics. Allen, management of the flabby described a technique whereby two separate impression ridge. Fbi technical article forensic science communications. A physiologic impression technique for resorbed mandibular. 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. 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. The technique of choice in cases with flabby ridge increased thickness of mucosa covering the ridge disadvantages 1. Digital impression system virtually becoming a reality. One of the methods used to solve this problem is the neutral zone technique. Sectional impression technique window technique selective tech. Impression procedure for flabby ridge objectives impression of the flabby area made with pressure free technique.
1372 347 291 1142 296 915 1095 1365 347 274 841 1012 624 845 97 1319 1512 32 743 1375 983 1383 475 509 855 945 598 1041 261 657 1018 929 132 273 1332 1300 1501 1104 899 1307 53 1483 239 1181 1066 1082 1422 642 79