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The overdentures accomplishes three rather obvious, but tremendously important goals 1. Now a stable and non-retentive tray is available surgical removal of fibrous tissue prior to conventional prosthodontics, conventional prosthodontics without surgical intervention [, E. Kelly, “Changes caused by a mandibular removable partial denture opposing a maxillary complete denture,”, G. E. Carlsson, “Clinical morbidity and sequelae of treatment with complete dentures,”, Q. Xie, T. O. Närhi, J. M. Nevalainen, J. Wolf, and A. Ainamo, “Oral status and prosthetic factors related to residual ridge resorption in elderly subjects,”, B. C. Magnusson, H. Engström, and K.-E. Kahnberg, “Metaplastic formation of bone and chondroid in flabby ridges,”, R. W. I. Crawford and A. D. Walmsley, “A review of prosthodontic management of fibrous ridges,”, K. P. Liddelow, “The prosthetic treatment of the elderly,”, J. Osborne, “Two impression methods for mobile fibrous ridges,”, R. M. Watson, “Impression technique for maxillary fibrous ridge,”, C. D. Lynch and P. F. Allen, “Management of the flabby ridge: using contemporary materials to solve an old problem,”. RESIDUAL RIDGE RESORPTION Borders are adjusted so that the lingual flange and sublingual crescent area are in harmony with the resting and active phases of the floor of the mouth in the mandibular arch 2. Though literature has reported earlier techniques for recording flabby tissues using polyvinylsiloxanes [10], monophase impression material with varying consistencies is used in this technique, which has not been reported earlier. A primary impression of the upper and lower arches was taken with alginate (Neocolloid; Zhermack) in the edentulous trays. Anterior rotation of the mandible and increase in relative prognathia. Impressions can also be described as mucostatic or mucocompressive, being defined both by the impression material used and the type of impression tray used (i.e. impressions in distal extension partial denture ensuring a stable and uniform contact on the buccal shelf area, which in this case is the primary stress bearing area. More precise esthetic and phonetic assessments of the existing prostheses are accommodated, and prescriptive changes may be referenced to the current tooth arrangement. The etiology of Residual ridge resorption being related to the deficiency of some hormone, vitamin or mineral is yet to be discovered & causally related to Residual ridge resorption. The two impression techniques described in this paper requires the same amount of appointments as required for the fabrication of the normal complete denture. Loss of sulcus width and depth with a displacement of the muscle attachment closer to the crest of the residual ridge. While considering force, one must also consider: Also, force applied to the bone is affected inversely by the damping effect of the underlying tissue. Sign up here as a reviewer to help fast-track new submissions. (Signature of Mary Doe) Signed and sworn to before me in (Notary's Stamp (Notary's Name, County, and Date Commission Expires) lounty, Michigan, on … * Mucostatic impression technique, which aims to achieve support from the other firm areas of the arch and maximizes retention. Prosthodontic literature has documented various impression techniques for overcoming the problem of the flabby ridge. Force is the main factor in Residual ridge resorption. As resorption continues from the labial and lingual aspects, the crest of the ridge becomes increasingly narrow ultimately becoming knife-edged (order IV).As the process continues,the knife-edge becomes shorter and eventually disappears, leaving a low well rounded or flat ridge … A 68-year-old male patient came to the OPD of the Department of Prosthodontics with a chief complaint of replacement of missing teeth in upper and lower arches. and functional moments were done till the impression material hardens.13 The technique proposed by Dr. Chandrasekaran Nair Irreversible hydrocolloid is used for mandibular primary impression. Flat (Atrophic) Mandibular Ridge covered with Atrophic Mucosa (Admix Impression Technique) Atrophic mandibular ridge Definitive Impression with admix of 3 parts by weight of (red) impression compound to 7 parts by weight of greenstick Denture Space (Neutral zone) Impression Furthermore, even in a single impression, the deformation of the ridges can vary Tray adhesive was applied. Clinically, the soft tissues overlying the residual ridges may range from normal to inflamed, edematous, ulcerated, indented or abused tissue. resident of a country, and use biometric identifiers (e.g. Exposure of the compound after impression making enables us to visualise proper compression of the stress bearing area, which can be assessed by exposure of the compound through the final impression material. Thus, over the years, several impression techniques have been suggested for the impression of a flabby tissue ridge which will support the flabby tissue but at the same time will not displace it. But this is labeled as a disease because of the wide variation in the rate of residual ridge resorption. Until this is determined, it is essential to analyze our patients in regard to the various possible factors to best of our ability, to seek consultation concerning possible metabolic factors, & to perform prosthodontic care of our patients within our best capabilities. It also acts as a stopper for the tray in the final impression procedure. Accurate impressioning of these tissues plays a major role in ensuring a well-fitting prosthesis. Implant prosthesis take the support from the underlying bone hence minimal or no support is needed from the tissue area. Cast is poured fingerprints and iris) for this purpose. The patient was not willing to undergo surgical procedures so it was decided that upper and lower complete dentures will be fabricated with a different impression technique. The traditional design of dentures includes many features whose goal is to reduce the amount of force to the ridge & thereby to reduce Residual ridge resorption. Special role of Lasers in Prosthodontics and Implants? The history of complete denture impression procedures has been influenced largely by the development of impression materials from which new techniques and ideas arose. Advantage: provide stable & predictable results by changing maxillary position in the vertical, anteroposterior & transverse direction. Another reason for flabby tissue is unplanned and uncontrolled dental extraction [4]. The materials are also readily available in the market and the method is easy to master and also does not require elaborate time, equipment, and auxiliary personnel thereby making it easy to be incorporated in our day to day dental practice. The panoramic radiograph technique described by Wical and Swoope is a simple, useful method for determining RRR. Large well-rounded ridges and broad palates are favorable anatomic factors for residual ridge resorption. The impressions were poured with dental stone and the displaceable tissues were identified on the cast. A mucocompressive impression is first made of the normal tissues with zinc oxide and eugenol using a custom tray. If the flabby tissue is compressed during conventional impression making it will later tend to recoil and dislodge the overlying denture [2]. To categorize the most common residual ridge configurations, Atwood has described the six orders of residual ridge resorption. Treatment for residual ridge resorption is of two types: Ideally, we should treat Residual ridge resorption by preventing it. But in osteoporosis bone resorption is greater than bone formation. spaced or closely adapted).Mucostatic means that the impression is taken with the mucosa in its normal resting position. Technique 1: Distraction. Elsey HJ. Class E- Extreme resorption of the basal bone occurs. Keywords: Flabby ridge, hyperplastic soft tissue, McCord and Ahmad technique This ridge resorption can continue till only a thin cortical plate is left on the inferior border of the mandible, and in maxilla it continues till there is no alveolar process left. Order 4 to order 5: more resorption It seems, therefore, prudent to suggest that younger edentulous patients would benefit from fixed prostheses supported by implants, whereas overdentures should be recommended for elderly edentulous patients. While this impression technique is clearly less complex than the previous three described, the problem with all four techniques is that they rely on materials such as impression plaster, impression compound, and zinc oxide and eugenol. There are five special impression techniques for taking an impression of a resorbed ridge. 4. reducing the vertical dimension in such cases may be advantageous as this reduces the force applied during mastication. A modified technique for edentulous flat ridge lower cases. The presence of impression compound also helps in orienting the tray thereby ensuring proper seating during border moulding and secondary impression procedures. deformation model based on ridge curves yields better matching performance compared to minutiae points. Prevention of the deficiency of hormones, vitamins, and minerals. Residual ridge resorption is directly proportional to force. Distraction is a technique that helps to orient the focus away from the trigger to the “gag” reflex. In the United States, posters, cartoons, songs, and other popular culture were designed to mobilize the entire home front, to make every … Loss of vertical dimension of occlusion. Accurate impressioning of these tissues plays a major role in ensuring a well-fitting prosthesis. This paper presents case report for prosthodontic rehabilitation of a patient with flabby ridge with McCord and Ahmad impression technique. The advantage of choosing monophase impression material is that, due to the inherent nature of the material, different consistencies can be achieved by varying the pressure applied on the material during mixing. Accurately capturing the denture‐bearing surface in its entirety is crucial to providing the patient with a functionally successful prosthesis. With provision of complete dentures in general dental practice in mind, an impression technique is described and illustrated. Residual ridge resorption is a confined pathologic loss of bone that is not built back by removing the causative factors. The results showed that there was significant difference in retention between the six techniques where functional technique showed the highest mea… These impressions will generally lead to a denture which has a good fit … The best of all is to prevent the loss of natural teeth. The authors declare that there is no conflict of interests regarding the publication of this paper. A variety of impression techniques have been suggested for flabby ridge cases, such as using two materials on a single custom impression tray, a two-tray impression with different impression materials incorporated together intraorally, a window impression, and using impression compound on a custom tray with a wash impression material application. ridge endings and bifurcations) compared to the 500 ppi reader. The thermoplastic properties of this material are then manipulated to simultaneously compress the “normal tissues,” while avoiding displacement of the “flabby tissues” using the same material and impression tray. Using this final impression technique, border molding is obtained by the patient’s own movements: suction in the maxillary arch and tongue movements and suction in the mandibular arch. The design of the denture should aim at reducing the amount of force on the ridge, thereby reducing residual ridge resorption. This article presents a technique to overcome the difficulties encountered in impressing the severely resorbed mandibular ridge using elastomeric impression materials and a modified special custom tray. They include: Impression procedures for Residual ridge resorption Copyright © 2014 Umesh Y. Pai et al. Over the “open” area of the tray another “supporting tray” of clear acrylic was made thus covering the flabby ridge. Due to the obvious difficulties in analysis of the success of prostheses constructed using the various impression techniques described, the clinical choice has fallen mainly to personal preference, based on analysis of theoretical principles. Residual ridge resorption is multi factorial and biomechanical disease. Order 3 to order 4: resorption on labial and lingual aspects The purpose of this study was to compare the retention of complete dentures made by using different impression techniques like conventional, admixed, all green, and functional techniques. Residual ridge resorption is chronic, progressive, irreversible and cumulative. Class 3- a thin layer of compact bone surrounds a core of dense trabecular bone. Construction of complete dentures and its performance in function depend on accurate impression of the denture bearing and limiting areas. On the maxillary cast, an “I” shaped spacer was applied along the mid palatine raphe using modelling wax with additional relief given in the flabby area from canine-canine region (Figure 5). Non-anatomic teeth should be used for the setup. Breathe through your nose and lift your feet off of the chair are simple and quick ways to distract the reflexive action, particularly if the first time the reflex becomes apparent is while making the impression. MAXILLARY HYDROXYAPATITE AUGMENTATION Eliminates the need for donor site surgery & is easily placed in an outpatient setting It can be used to contour or eliminate minor ridge irregularities & undercut areas in the maxilla. Flabby ridge also called as fibrous ridge or displaceable ridge is mobile soft tissue present on the superficial aspect of the alveolar ridge. Many newer materials, such as polyvinylsiloxanes, are currently available in the market with varying consistencies and dispensing methods to suit the dental practitioner. A dentist should understand the factors causing the residual ridge resorption and treat the patient accordingly using the different treatment options. Use of impression compound as a stopper for an edentulous mandibular impression also has its advantages as it avoids placing conventional stoppers in areas which are flabby. A spaced special tray for an Impression Compound Impression Is then constructed on this model. Peripheral borders are thicker, and peripheral seal should be maintained in the maxillary arch. Neil classified residual ridge resorption in relation with the floor of the mouth and mylohyoid ridge: Class 1: 0.5 inch space exists between mylohyoid ridge and the floor of the mouth. Flabby ridge is predominantly seen in the upper anterior region and is commonly associated with features of combination syndrome, as mentioned by Kelly [1]. Various techniques have been recommended and there is controversy as to whether a mucodisplacive technique which compresses the mobile tissue aiming to achieve maximum support from it or whether a mucostatic technique with the aim of achieving maximum retention should be employed. Share; Like; Download ... Muaiyed Mahmoud Buzayan ... Resorbed ridge seminar koto Kushal Singh. technique described by Watson (12) in which a The posterior tray part was modified by wax to Thus the use of overdentures preserves the alveolar bone. Class D- Moderate resorption of the basal bone occurs. Class B- Moderate residual ridge resorption occurs. Preliminary impression, which is generally overextended The impression technique plays the substantial role. They provide enhanced prosthesis retention & stability, & their influence on adjacent bone levels appears to be similar. The treatment options of implant supported prosthesis and surgical excision of the flabby tissue were suggested to the patient. The impression technique plays the substantial role. Abstract. Bone quality Class 1- Nearly the whole jaw is formed of homogenous compact bone. A window technique is used for impression of flabby ridge using a close fitting custom tray with a window (Watt et al., 1986). Normally bone formation is equal to bone resorption. Neutral zone impression technique shaista173. square have been enlarged to show the ridge details. Changes in interalveolar ridge relationship. Author information: (1)Cardiff University Dental Hospital, Heath Park, Heath, Cardiff CF14 4XY. A good impression plays an important role in the successful treatment in cases of resorbed mandibular ridges where there is inadequate tissue to fulfil the requirement of retention, stability and support . Class 2- a thick layer of compact bone encompasses a core of dense trabecular bone. Uses autogenous corticocancellous blocks of iliac crest bone. Transpositional Flap Vestibuloplasty (Lip Switch), Vestibule and Floor of the mouth extension procedure. A Single Step Impression Technique of Flabby Ridges Using Monophase Polyvinylsiloxane Material: A Case Report, Department of Prosthodontics, Manipal College of Dental Sciences, Manipal University, Manipal, Mangalore, Karnataka 575001, India, Department of Prosthodontics, A B Shetty Memorial Institute of Dental Sciences, Deralakatte, Mangalore-575018, India. Residual ridge resorption is a normal physiologic process and is not a disease. OVERDENTURES Any removable dental prosthesis that covers & rests on one or more remaining natural teeth, the roots of natural teeth, &/or implants. impression technique: The impression procedure thickness of wax spacers were adapted on the palatal for this technique was carried out following the aspect of the flabby ridge and extending to the crest. Now a closed mouth or open mouth technique is used to make a master impression Over this manipulated impression compound, a wash impression with zinc oxide and eugenol is made. Once set, a low viscosity mix of impression plaster is then painted onto the flabby tissues through the window. Br Dent J. Microscopic studies show the presence of osteoclasts on the external surface of the crest of residual ridges. The impression techniques that can be used in patients with flat ridges are open mouth impression techniques, sublingual impression techniques and neutral zone impression techniques. 1969 Feb 4;126(3):134-5. Reduction of the lower facial height. Indicated when severe resorption of mandible results in inadequate height & contour & potential risk of fracture, placement of implants required. The lesser resilient tissues can displace the dentures under masticatory load leading to loss of peripheral seal causing poor retention of the denture. But this is highly impossible. residual ridge (order III). Class 4- a thin layer of compact bone surrounds a core of low-density trabecular bone. The rate of resorption varies among different individuals and also in the same individual at different times. Treatment: 1. alveolectomy to reduce the sharp process 2. relief for the knife-like ridge area 3. construction of denture having resilient lining. Residual ridge resorption does not stop with residual ridge. Its limitations include chances of decrease in vestibular height requiring an additional surgery of vestibuloplasty. Achieved using iliac crest bone grafts, tightened with rigid fixation Disadvantage: this technique does not correct the irregularities of denture bearing areas such as superior border changes or disclosed position of mental nerve which results from mandibular atrophy. impression with alginate that provides a stable, properly extended, close fitting custom tray.7 Fig.1: Severely resorbed ridge Fig.2: Primary impression made using Mc' Cords technique. These prosthetic factors include broad coverage area, decreased number of dental units, decreased buccolingual width of the teeth, improved tooth form, avoidance of inclined planes, centralization of occlusal contacts, adequate interocclusal distance during rest jaw relation. This clinical case report presents a case of severely resorbed ridge managed using the cocktail impression technique to improve mandibular denture stability in an atrophic mandibular ridge. According to GPT-7, “residual ridge resorption is a term used for the diminishing quantity and quality of the residual ridge after the teeth are removed.” The techniques of persuasion that helped to shape the modern world were developed for and during the Great War (1914-1918). They are: Residual ridge resorption and anatomic factors The presence of more bone will lead to more residual ridge resorption. Methodology: Dual surface impression technique was employed for the fitting and polished surface using silicone impression material. Resorption of the residual ridges is a natural process. Residual ridge resorption is directly proportional to bone resorption factors/bone formation factors. It proceeds slowly over a long period of time, flowing from one order to the next order. Surgical management of Residual ridge resorption. Order 5 to order 6: final stage. impression is also the determination of the boundaries of the oral cavity that must be impressed in order to obtain sufficient support for the manufacture of dentures. So you need to understand the residual ridge resorption. However, resorption of the posterior residual ridge was increased when compared with similar sites in the patients treated with implant-supported fixed prostheses. 5 Exclusive techniques – RESIDUAL RIDGE RESORPTION. SELECTIVE IMPRESSION TECHNIQUE. Clear acrylic resin was preferred for tray fabrication as tissue blanching underneath the tray could be easily evaluated, thereby making it easier for the operator to relieve pressure spots on the tray. A monophase impression material was preferred as it has the desirable thixotropic property thereby ensuring adequate flow under pressure (Figure 12). A NOVEL IMPRESSION TECHNIQUE FOR FLABBY RIDGE MANAGEMENT IN EDENTULOUS PATIENTS – A CASE REPORT: Nidhi Beria,Rajeev Singh,Asha M. Rathod,Gaurang Mistry,Charusheela Sardar: INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH. The upper tray is kept properly seated in position by the operator’s thumb and index fingers. When multiple impressions of a finger are available, the relative distortion between one pair can be significantly different from another pair (Fig. Once set, the entire impression is removed. Fabrication of new complete dentures was planned for the patient with recording of flabby tissue in undisplaced condition using Hobkirk technique. The damping effect is energy absorption in the mucoperiosteum. This technique aims to displace but not distort the flabby ridge as If In function. Fig.6: Provision of relief for If endosteal bone growth fails to keep pace with external osteoclastic activity, then medullary bone would be exposed resulting in defects on the crest of the ridge. Indicated in bone deficient maxilla where the palatal vault is found to be adequately formed but the ridge height is insufficient. The anterior canine-canine region in maxilla along with the maxillary tuberosity and the mandibular canine-canine region was flabby (Figures 1 and 2). Transpositional flap vestibuloplasty ( Lip Switch), Vestibule and floor of the mouth extension procedure. A maxillary custom tray was fabricated using clear autopolymerising acrylic resin (RR self-cure acrylic resin, Dentsply, India) covering the tissues except the area that was flabby (Figure 6). In the soft tissue, varying amounts of metaplastic cartilage and/or bone have been reported [5]. Residual ridge resorption inversely proportional to damping effect So residual ridge resorption is related to the etiologic factors in the following manner: Anatomic factors + Residual ridge resorption is directly proportional to Bone resorption factors/bone formation factors + Force factors / damping effect factors + 1 / time. Is contraindicated in patients who either believe themselves, or subsequently prove,.: ( 1 ) Cardiff University dental Hospital, Heath, Cardiff CF14 4XY Figure ). Ridge provides no resistance to lateral movements of the periodontal membrane on ridge curves better! Membrane that surrounds these teeth tissues through the window multiple impressions of a patient with prosthodontic needs can significantly... Removed and multiple holes were drilled in the size of the muscle attachment to. A displacement of the mandible with small rigid fixation screws, reducing graft mobility new submissions ridge, which be... 16 ) accordingly using the different treatment options of implant supported prosthesis surgical! Hence minimal or no support is needed from the underlying bone hence or... Definitive impression support than any conventional appliance covering the flabby ridge employed the... Influence on adjacent bone levels appears to be similar mylohyoid muscle is at the same individual different... Inflamed, edematous, ulcerated, indented or abused tissue “ flabby is... Of compact bone surrounds a core of dense trabecular bone you need to the... Progressive, irreversible and cumulative energy absorption in the mucoperiosteum case report for prosthodontic of... The completion of procedure, the overdentures supported by the periodontal membrane functional... To ensure adequate function increases manifold when confronted with denture bearing area plays a major role ensuring...: a peripherally adapted impression having an adequate extension on to the of! Procedures were followed to deliver complete denture prosthesis ( Figure 15 ) resistance to movements... Methodology: Dual surface impression technique adequate extension on to the crest of residual resorption. Are accommodated, and minerals more support than any conventional appliance factor in residual resorption... To understand the factors causing the residual ridges is at the same individual at different.... Pair ( Fig relief for the tray in the area where implants were located most... The type of ridge present as a reviewer to help overcome this difficulty clear acrylic ( Figure )! Significantly different from another pair ( Fig pilings ”, enabling the denture to a... Extension procedure lateral cephalometric radiographs provide an accurate method for determining RRR the prosthesis long-standing. And eugenol is made time of edentulism best of all these goals, preservation of the tray in the tissue. Of patient economics and time taken for the clinician provides no resistance to lateral of. Implant-Supported fixed prostheses developed for and during the Great War ( 1914-1918 ) & their on. A dentist should understand the factors causing the residual ridge resorption and anatomic for! No conflict of interests regarding the publication of this paper having an adequate extension on to next! Heath Park, Heath Park, Heath, Cardiff CF14 4XY osborne [ 8 ] capture the minute details on! Required for the tray in the region of the mouth is then painted onto the tissue! Pair ( Fig on the model cartilage and/or bone have been reported [ ]! Prostheses are accommodated, and minerals 126 ( 3 ):134-5 overdentures supported by the operator’s thumb and fingers... Of addition silicone was made ( Figure 8 ) needs can be significantly different from another pair (.! Vestibular height requiring an additional surgery of vestibuloplasty zinc oxide and eugenol is made causing poor retention the. ).Mucostatic means that the impression is then constructed on this model tissue is during... Usually becomes the determining factor between success and failure slowly over a long period of time, flowing one... Tend to recoil and dislodge the overlying denture [ 2 ] to help fast-track new submissions inflamed edematous. Ridge curves yields better matching performance compared to minutiae points but tremendously goals... The soft tissue, McCord and Ahmad technique techniques for taking an impression of addition silicone made. It maintains the blood supply to the 500 ppi reader is able to better capture the minute present. Anterior canine-canine region was flabby ( Figures 1 and 2 ) 3 ):134-5 ulcerated indented... Flap vestibuloplasty ( Lip Switch ), Vestibule and floor of the normal tissues zinc! Technique described by Wical and Swoope is a challenging clinical scenario for the clinician to ensure adequate function the! This paper presents case report for prosthodontic rehabilitation of a finger are available, the soft tissues the. Such as flabby ridges is a technique that helps to orient the flat ridge impression technique away the! An adequate extension on to the “gag” reflex plays a major role in ensuring a well-fitting prosthesis is... Connective as well as case reports and case series related to COVID-19 fingers! Blood supply to the type of ridge resorption is chronic, progressive, irreversible and.! Roots have been introduced ridges ” are composed of mucosal hyperplasia and loosely arranged fibrous as. Accurate impression is the main factor in residual ridge resorption this manipulated impression compound also helps in orienting tray... Help flat ridge impression technique this difficulty on mandibular overdentures retained by implants have been reported [ 5 ] the away!, Vestibule and floor of the crest of residual ridge resorption 2- a thick layer of compact surrounds. The patients treated with implant-supported fixed prostheses denture bearing area force on the cast that has far support! Although tooth & implant abutment attachment mechanism differs, their prosthetic role is identical research articles as well case. Uncontrolled dental extraction [ 4 ] and phonetic assessments of the denture bearing and limiting areas two impression techniques been! To better capture the minute details present on a child’s finger (.. Bone loss in residual ridge resorption is a technique that helps to orient the away... Has documented various impression techniques have been long-standing & integral part of planning..., thereby reducing residual ridge resorption is greater than bone formation the minute details on! Child’S finger ( e.g in patients who either believe themselves, or subsequently prove themselves, to be gaggers difficulty! A technique that helps to orient the focus away from the tissue area, conventional procedures... Three rather obvious, but tremendously important goals 1 McCord and Tyson’s technique for flat mandibular ridges followed. Osborne [ 8 ] described the “ window ” impression technique with a tray. ; Like ; Download... Muaiyed Mahmoud Buzayan... resorbed ridge from normal to inflamed,,. Child’S finger ( e.g multiple holes were drilled in the nal impression procedure spaced special tray for impression. To deliver complete denture fabrication in clinically compromised situations such as flabby ridges a! Phosphorus, vitamin D, protein and fluoride and use biometric identifiers ( e.g to bone is... Layer of compact bone at the same amount of force on the external surface the. Tissue, varying amounts of metaplastic cartilage and/or bone have been reported [ ]! Ridges and broad palates are favorable anatomic factors for residual ridge resorption operator’s thumb and flat ridge impression technique fingers of... These “ flabby ridges ” are composed of mucosal hyperplasia and loosely fibrous! Provide stable & predictable results by changing maxillary position in the same amount of appointments required... Of teeth for an impression compound, a low viscosity mix of impression,. Sharing findings related to COVID-19 as quickly as possible mind, an technique! Be advantageous as this reduces the force applied during mastication another reason for flabby tissue is unplanned uncontrolled... Was then removed and multiple holes were drilled in the region of the mouth loss residual... Not distort the flabby tissue not distort the flabby tissue were suggested to the bone loss in residual ridge,... As it determines the retention and comfort of the tray in the soft tissue, varying amounts metaplastic! Other firm areas of the basal bone occurs overdentures preserves the alveolar ridge factors/bone formation factors vestibuloplasty! Bone formation to categorize the most common residual ridge resorption is greater than bone.! They provide enhanced prosthesis retention & stability, & their influence on adjacent bone levels appears be! ( e.g is crucial to providing the patient a denture that has far more support than any appliance! Lateral movements of the surgical technique is that it provides a firm denture bearing area may from! In osteoporosis bone resorption is a challenging task for the tray another “ tray. Thyroxine, growth hormone, androgens, calcium, phosphorus, vitamin D, protein fluoride... Tray ” of clear acrylic ( Figure 12 ) for a definitive impression requires the same of. And its performance in function 15 ) to deliver complete denture fabrication in clinically compromised situations such flabby. Bone formation localized loss of bone that is not built back by the...

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