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Journal articles on the topic 'Edentulous mandible'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Curcio, Ricardo, Guilherme Luis Perin, Israel Chilvarquer, Maria Lucia Borri, and Sergio Ajzen. "Use of models in surgical predictability of oral rehabilitations." Acta Cirurgica Brasileira 22, no. 5 (October 2007): 387–95. http://dx.doi.org/10.1590/s0102-86502007000500011.

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PURPOSE: To evaluate the rehabilitation of edentulous mandibles with osseous integrated implants in immediate loading, using models in reverse planning. METHODS: A prospective study was performed on 14 patients with a total of 56 implants placed. It was proposed a technique for the rehabilitation of edentulous mandible with osseous integrated implants of immediate loading, using anatomical replicas derived from computerized tomography scan linked to the rapid prototyping technique of stereolithography in reverse planning, elaborating the definitive fixed prosthesis, with rigid union of the implants on the same day. The patients' mandible models were divided in two groups. In the first one, there were patients with edentulous mandible models and with models elaborated after exodontics procedures (Group 1). In the second (Group 2), patients with dentulous mandible models, which allow an evaluation of difficulty in the surgery. RESULTS: The proposed technique using anatomical models for the personalization of mandibles in immediate loading had 100% of less difficulty in the adaptation of the surgery guide while the dentulous models had 83,3% of more difficulty. CONCLUSION: The proposed technique using the mandible models in the rehabilitation of mandibles is feasible.

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2

Syamsoelily, Leliya, Surijana Mappangara, M. Hendra Chandha, and Muhammad Ruslin. "Osteomielitis supuratif kronis pada mandibula edentulus Chronic suppurative osteomyelitis on edentulous mandible." Journal of Dentomaxillofacial Science 12, no. 1 (February 28, 2013): 33. http://dx.doi.org/10.15562/jdmfs.v12i1.346.

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Osteomyelitis is an infection of the jaw that extends to the jaw bone, which is the spongy, bone marrow, cortex, andperiosteum. Infection occurs in the calcified bone when fluid in the medullary cavity or under the periosteum interferewith the blood supply. In this case, it was reported an elderly patient with a diagnosis of chronic osteomyelitis ofmandible edentulous dextra. The treatment were sequesterectomy and extraction the radix of tooth 43 by generalanesthesia, and combinating with antibiotics. It was concluded that patient of chronic suppurative osteomyelitis of themandible edentulus could be diagnosed through clinical and radiological examination, and successfully treated withsequesterectomy and extracting the radix under general anesthesia. So the improvement of systemic condition, foodnutrition, vitamin therapy, accelerate the healing process. Treatment of focal infection as soon as possible to avoidmore severe complications.

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3

CHRISTENSEN, GORDON J. "Treatment of the edentulous mandible." Journal of the American Dental Association 132, no. 2 (February 2001): 231–33. http://dx.doi.org/10.14219/jada.archive.2001.0160.

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4

Thaller, Seth R. "Fractures of the Edentulous Mandible." Journal of Craniofacial Surgery 4, no. 2 (April 1993): 91–94. http://dx.doi.org/10.1097/00001665-199304000-00008.

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5

Postic, Srdjan. "Changes in mandible due to osteoporosis." Serbian Dental Journal 54, no. 1 (2007): 16–27. http://dx.doi.org/10.2298/sgs0701016p.

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Introduction: Osteoporosis may occur in bone tissue as a result of ageing. Aim: The aim of this study was to investigate remodeling of old human edentulous mandibular bone due to osteoporosis. Materials and Methods: Osseous surfaces of one edentulous and one dentate mandible were extracted from a cadaver. This study included 5 methods of analysis of bone structures in experimental and control bony samples of human mandibular bones. Absolute densities of samples were determined. SEM analysis and X-ray diffraction analysis of spectra were used to assess bony layers. Results: Minimum density 1.9658 g/cm3 of edentulous ridge site was detected. SEM micrographs indicated reductions of trabecular and lamellar width. Significant differences (p<0.01) in cancellous site width were recorded in experimental basal specimens. Noticeable increase of porosity was observed in 6.35% of edentulous ridge site and 14.06% of experimental basal site. There was a significant correlation between oxygen presence (p=0.046) eroded and defect bone surfaces (p<0.001). Complexes of hydroxyapatite, calcium-phosphate, tetracalcium-pyrophosphate and amorphous calcium-phosphate were inorganic constituents considerable mineral modifications of edentulous ridge site. Conclusion. Based on the results of the present study, various levels of degradation of cortical matrix and cancellous layers of edentulous mandible may be observed as a result of osteoporosis. .

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6

Natsis, K., E. Repousi, I. Asouhidou, Ch Siskos, A. Ioannidi, and M. Piagkou. "Foramina of the anterior mandible in dentate and edentulous mandibles." Folia Morphologica 75, no. 2 (June 6, 2016): 204–10. http://dx.doi.org/10.5603/fm.a2015.0090.

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7

Madsen, Matthew J., George M. Kushner, and Brian Alpert. "Failed Fixation in Atrophic Mandibular Fractures: The Case against Miniplates." Craniomaxillofacial Trauma & Reconstruction 4, no. 3 (September 2011): 145–50. http://dx.doi.org/10.1055/s-0031-1286114.

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Despite advances in the treatment of the fractured atrophic edentulous mandible, treatment continues to be difficult. Patient management is more complicated due to patients often being elderly with more complex medical problems. Rigid internal fixation has greatly improved outcomes with shorter treatment times, yet a consensus has yet to be reached regarding which method yields the most predictable results. Options include using small miniplates to larger reconstruction plates. Although each method has advantages, we present our experience with retreatment of failed miniplate fixation using load-bearing reconstruction plates of fractured atrophic edentulous mandibles.

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8

Bhusal, Dinesh Sharma, and Bebina Shrestha. "Evaluation of Resting Tongue Position in Partially Edentulous and Completely Edentulous Patients." Journal of BP Koirala Institute of Health Sciences 3, no. 1 (July 26, 2020): 73–78. http://dx.doi.org/10.3126/jbpkihs.v3i1.30330.

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Introduction: Resting tongue position is of crucial importance in the stability and retention of complete denture, particularly of the mandible. The retracted position of the tongue has been found to be higher in edentulous subjects when compared to dentate subjects and highest in completely edentulous individuals. Objectives: To evaluate the resting tongue position in completely edentulous as well as partially edentulous patients. Methods: 50 edentulous and 50 partially edentulous (mandible) subjects were taken. The edentulous group was divided into two groups according to the duration of edentulousness. Group A: Recently extracted edentulous subjects (< 1 year), Group B: Long term edentulous subjects (> 1 years). The partially edentulous group was divided into 4 groups according to Kennedy classification. The resting tongue positions of all the individuals were determined. The data was analyzed using SPSS statistical tests like mean, standard deviation, proportion, Chi-square test and Independent T-test. Results: In complete edentulous group, the abnormal upper was the most frequent (38%). In partial edentulous group, the normal lower was the most frequently observed tongue position with 34%. The abnormal tongue position was found in 68% and 40% in completely edentulous and partially edentulous subjects respectively. Conclusion: Retracted resting tongue position is found to be higher in completely edentulous subjects than partially edentulous ones.

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9

Jafari, Seyed Mehdi. "Fixation of Atrophic Edentulous Mandible Fractures." Journal of Oral and Maxillofacial Surgery 70, no. 8 (August 2012): 1769. http://dx.doi.org/10.1016/j.joms.2012.04.047.

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10

Chee, W., and S. Jivraj. "Treatment planning of the edentulous mandible." British Dental Journal 201, no. 6 (September 2006): 337–47. http://dx.doi.org/10.1038/sj.bdj.4814041.

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11

Dang, Meghna K., and Sabita M. Ram. "Evaluation of the stress distribution and displacement of the denture base in edentulous mandible with varied implant positions." Journal of Contemporary Dentistry 1, no. 2 (2011): 14–20. http://dx.doi.org/10.5005/jcd-1-2-14.

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Abstract Aim To evaluate the stress distribution and displacement of the denture base in a three dimensional finite element edentulous mandibular model with varied implant positions. Objectives 1)To evaluate the stresses induced by implants placed in the anterior region of the edentulous mandible. 2)To evaluate the stresses induced by implants placed in the anterior and posterior region of the edentulous mandible. 3)To compare the stresses induced by implants placed in the anterior and posterior region of the edentulous mandible. 4)To evaluate the displacement of the denture base with implants placed in the anterior and posterior region of the edentulous mandible.5)To compare the displacement of the denture base with implants placed in the anterior and posterior region of the edentulous mandible. Materials and Methods The materials used were Nobel Biocare Mk III long implants 3.75×13mm and short 5.0×7.0 implants, with O-ball head attachment. ANSYS: Version 8.0 software was used to create a threedimensional model of an edentulous mandible and the two implants. Three models were prepared having different implant positions and locations. MODEL 1 Two long implants were placed interforaminally in lateral incisor region one on either side, MODEL 2 Four long implants placed were interforaminally in the central incisor and canine region two on either side and, MODEL 3 Two long implants were placed interforaminally in lateral incisor region one on either side and two short implants were placed in premolar region 3mm posterior to the mental foramen, one on either side. Two types of load were given ie. vertical load of 325N was applied in second premolar and first molar region and 10N load at 150 angulation was applied in the anterior incisors area. The models were loaded separately and stress pattern, amount of stresses and amount of displacement were analysed for each model. Results The observations obtained from the ANSYS software were analysed and evaluated. Model 3 showed the least amount of stress and displacement as compared to the other models. Conclusion When the implants were spread across the arch both anteriorly and posteriorly, the stress induced in the bone and displacement of the denture base was seen to be less.

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12

Dr. Jyotirmay, Dr Jyotirmay, Dr Poonam Malik Sehrawat, and Dr Ravi Sehrawat. "Managing the Bone Loss in Edentulous Mandible with Conservative Approach." International Journal of Scientific Research 3, no. 6 (June 1, 2012): 268–69. http://dx.doi.org/10.15373/22778179/june2014/85.

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13

Flanagan, Dennis. "A Comparison of Facial and Lingual Cortical Thicknesses in Edentulous Maxillary and Mandibular Sites Measured on Computerized Tomograms." Journal of Oral Implantology 34, no. 5 (October 1, 2008): 256–58. http://dx.doi.org/10.1563/0.915.1.

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Abstract Edentulous ridges suitable for implant treatment depend on cortical bone for implant stability, especially for ridge-expansion procedures. This study was done to find and compare the actual thicknesses of the facial and lingual edentulous cortices of the maxilla and mandible as measured on computerized tomograms. The collected computerized tomographs (CT) of one implantologist's practice (D.F.) were measured. The measurements taken demonstrated that the edentulous lingual cortex is almost always thicker than the facial cortex in the maxilla and mandible. The combined maxillary and mandibular facial cortices measurement sites average was 1.79 mm. The combined maxillary and mandibular lingual cortices measurement sites average was 2.33 mm. The average cortical thickness measurement of the maxillary facial cortices was 1.66 mm. The lingual maxillary average was 2.16 mm. The mandibular facial cortical sites averaged 1.83 mm, while the lingual cortical sites were 2.40 mm. These data confirm that the lingual cortex of the maxilla and mandible is thicker than the facial cortex at a ratio of 1:1.3. This ratio was consistent for maxilla and mandible.

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14

Stellingsma, C., A. Vissink, H. J. A. Meijer, C. Kuiper, and G. M. Raghoebar. "Implantology and the Severely Resorbed Edentulous Mandible." Critical Reviews in Oral Biology & Medicine 15, no. 4 (July 2004): 240–48. http://dx.doi.org/10.1177/154411130401500406.

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Patients with a severely resorbed edentulous mandible often suffer from problems with the lower denture. These problems include: insufficient retention of the lower denture, intolerance to loading by the mucosa, pain, difficulties with eating and speech, loss of soft-tissue support, and altered facial appearance. These problems are a challenge for the prosthodontist and surgeon. Dental implants have been shown to provide a reliable basis for fixed and removable prostheses. This has resulted in a drastic change in the treatment concepts for management of the severely resorbed edentulous mandible. Reconstructive, pre-prosthetic surgery has changed from surgery aimed to provide a sufficient osseous and mucosal support for a conventional denture into surgery aimed to provide a sufficient bone volume enabling implants to be placed at the most optimal positions from a prosthetic point of view. The aim of this paper is to review critically the literature on procedures related to the severely resorbed edentulous mandible and dental implant treatment. The study includes the transmandibular implant, (short) endosseous implants, and reconstructive procedures such as distraction osteogenesis, augmentation of the mandibular ridge with autogenous bone, and bone substitutes followed by the placement of implants. The number of patients participating in a study, the follow-up period, the design of the study, the degree of mandibular resorption, and the survival rate of the dental implants all are considered evaluation parameters. Although numerous studies have described the outcome results of dental implants in the edentulous mandible, there have been few prospective studies designed as randomized clinical trials that compare different treatment modalities to restore the severely resorbed mandible. Therefore, it is not yet possible to select an evidence-based treatment modality. Future research has to be focused on long-term, detailed follow-up clinical trials before scientificaly based decisions in treating these patients can be made. This will contribute to a higher level of care in this field.

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15

Maloney, KarlDaniel, and Torin Rutner. "Virtual Surgical Planning and Hardware Fabrication Prior to Open Reduction and Internal Fixation of Atrophic Edentulous Mandible Fractures." Craniomaxillofacial Trauma & Reconstruction 12, no. 2 (June 2019): 156–62. http://dx.doi.org/10.1055/s-0039-1677723.

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Mandibular fractures are a common injury encountered by facial trauma surgeons. A majority of these cases are in dentate patients and can predictably be treated with several different open or closed techniques. Edentulous mandible fractures can be challenging as maxillomandibular fixation, either as the sole treatment or used for fracture reduction and stabilization prior to internal fixation, is not possible. The atrophic edentulous mandible fracture poses an even greater challenge, as there is more sclerotic bone present and less bone volume for bony contact, both of which can impair healing. In addition, with less bone mass, available plate adaptation and fixation are difficult. In recent years, virtual surgical planning (VSP) has been increasingly used in craniofacial and maxillofacial surgeries as well as in dentistry. Utilizing VSP to fabricate the necessary hardware prior to open reduction and internal fixation of atrophic edentulous mandible fractures can be helpful in treating these cases. Two cases where this method was used are presented.

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16

Rashid, N., and H. Yusuf. "Intermittent mental paraesthesia in an edentulous mandible." British Dental Journal 182, no. 5 (March 1997): 189–90. http://dx.doi.org/10.1038/sj.bdj.4809340.

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17

Nadhan, L. Senthil, Vijay Ebenezer, and R. Balakrishnan. "Management of The Edentulous Mandible Review Article." Biomedical & Pharmacology Journal 7, no. 1 (June 30, 2014): 143–46. http://dx.doi.org/10.13005/bpj/464.

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18

Winkler, Sheldon, and George E. Monasky. "THE EDENTULOUS MANDIBLE OPPOSING MAXILLARY NATURAL TEETH." Implant Dentistry 2, no. 1 (1993): 44–49. http://dx.doi.org/10.1097/00008505-199304000-00009.

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19

Winkler, S., and GE Monasky. "The edentulous mandible opposing maxillary natural teeth." Implant Dentistry 2, no. 1 (1993): 58. http://dx.doi.org/10.1097/00008505-199304000-00024.

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20

Winkler, S. "The Edentulous Mandible Opposing Maxillary Natural Teeth." Implant Dentistry 6, no. 1 (1997): 55. http://dx.doi.org/10.1097/00008505-199700610-00034.

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21

Talebzadeh, Nojan, Richard A. Smith, Frederick C. Finzen, and Edward Hems. "The Less Than 7-mm Edentulous Mandible." Implant Dentistry 8, no. 2 (1999): 194–203. http://dx.doi.org/10.1097/00008505-199902000-00013.

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22

Talebzadeh, Nojan, Richard A. Smith, Frederick C. Finzen, and Edward Hems. "The Less Than 7-mm Edentulous Mandible." Implant Dentistry 8, no. 2 (1999): 194–203. http://dx.doi.org/10.1097/00008505-199908020-00013.

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23

Wood, G. A., D. F. Campbell, and L. E. Greene. "Transmucosal fixation of the fractured edentulous mandible." International Journal of Oral and Maxillofacial Surgery 40, no. 5 (May 2011): 549–52. http://dx.doi.org/10.1016/j.ijom.2010.10.027.

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24

Saleem, Mohammed, Rayeesa Saleem, and Rufus Allwyn Meshack. "Prosthetic Management of Edentulous Mandible using Endosseous Implants and Overdentures." Journal of Contemporary Dental Practice 12, no. 2 (2011): 135–37. http://dx.doi.org/10.5005/jp-journals-10024-1023.

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ABSTRACT The choice of a suitable prosthesis for a specific case is determined to a great extent by the underlying residual bone as well as the mucosa. Also of significance are the expectations and demands of the patient from the prosthesis. The following case report discusses the rehabilitation of a complete edentulous mandibular arch with an implant retained mandibular over denture. Clinical Significance Implant retained fixed or removable prostheses are good treatment options in patients who have a compromised edentulous foundation. How to cite this article Saleem M, Saleem R, Meshack RA, Guru R. Prosthetic Management of Edentulous Mandible using Endosseous Implants and Overdentures. J Contemp Dent Pract 2011;12(2):135-137.

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25

Kazi, Aasif A., Thomas S. Lee, Aurora Vincent, Mofiyinfolu Sokoya, Derek Sheen, and Yadranko Ducic. "The Role of External Fixation in Trauma and Reconstruction of the Mandible in the Age of Rigid Fixation." Facial Plastic Surgery 35, no. 06 (November 29, 2019): 614–22. http://dx.doi.org/10.1055/s-0039-1700799.

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AbstractInternal rigid fixation is the gold-standard treatment for facial fractures, but there are some specific cases that are more amenable to external fixation (ex-fix) application. Herein, we discuss advantages and disadvantages to ex-fix in the modern treatment of comminuted mandible fractures, infected mandible fractures, fractures of the condylar region, oncologic mandibular resection, pediatric mandible fractures, and fractures in the edentulous patient.

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26

Lalabonova, Hristina. "A COMPREHENSIVE APPROACH TO RESTORATION OF EDENTULOUS MANDIBLE." Journal of IMAB - Annual Proceeding (Scientific Papers) 17, 2, no. 2011 (September 21, 2011): 107–8. http://dx.doi.org/10.5272/jimab.2011172.107.

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27

Voorsmit, R., B. Vujovic, and J. Kwakman. "Vertical distraction of the extremely resorbed edentulous mandible." International Journal of Oral and Maxillofacial Surgery 28 (January 1999): 83. http://dx.doi.org/10.1016/s0901-5027(99)80891-1.

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28

Eyrich, Gerold K. H., Klaus W. Grätz, and Herman F. Sailer. "Surgical treatment of fractures of the edentulous mandible." Journal of Oral and Maxillofacial Surgery 55, no. 10 (October 1997): 1081–87. http://dx.doi.org/10.1016/s0278-2391(97)90284-6.

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29

Alpen, Brian. "Surgical treatment of fractures of the edentulous mandible." Journal of Oral and Maxillofacial Surgery 55, no. 10 (October 1997): 1087–88. http://dx.doi.org/10.1016/s0278-2391(97)90285-8.

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30

Raghoebar, Gerry M., Robert S. B. Liem, and Arjan Vissink. "Vertical distraction of the severely resorbed edentulous mandible." Clinical Oral Implants Research 13, no. 5 (October 2002): 558–65. http://dx.doi.org/10.1034/j.1600-0501.2002.130517.x.

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31

Mugino, Hiroshi, Shinji Takagi, Ryoichi Oya, Syoichi Nakamura, and Kunio Ikemura. "Miniplate osteosynthesis of fractures of the edentulous mandible." Clinical Oral Investigations 9, no. 4 (November 26, 2005): 266–70. http://dx.doi.org/10.1007/s00784-005-0012-5.

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32

Postic, Srdjan. "Effects of calcitonin and calcium medication in treatment of edentulous osteoporotic mandible." Vojnosanitetski pregled 70, no. 6 (2013): 576–79. http://dx.doi.org/10.2298/vsp1306576p.

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Background/Aim. In addition to damage of the bones that support the remaining teeth, degradation of osteoporotic oral bones also lead to a consequent reduction of supporting tissues and the loss of dentures retention. The aim of this study was to assess the clinical and radiographic outcomes following injection of a calcitonin and calcium solution into the buccal aspects of edentulous mandibles. Methods. The experimental group of 67 edentulous patients diagnosed with osteoporosis, and the control group of 19 nonosteoporotic edentulous patients were treated with the calcitonin and calcium once solution per month. Mandibular bone density was measured from panoramic radiographs, supplemented by T scores of skeletal density in the experimental group. Results. After the therapy, measurements showed moderate increases in bone density, compensating for up to 4% of the total loss of minerals and solidity of denture-bearing areas of osteoporotic mandibles. Osteoporosis affected women earlier than men in this study. Conclusion. Application of a calcitonin and calcium solution is a suitable method of preprosthetic therapy for edentulous osteoporotic patients.

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33

Funston, Gregory F., and Philip J. Currie. "A previously undescribed caenagnathid mandible from the late Campanian of Alberta, and insights into the diet of Chirostenotes pergracilis (Dinosauria: Oviraptorosauria)." Canadian Journal of Earth Sciences 51, no. 2 (February 2014): 156–65. http://dx.doi.org/10.1139/cjes-2013-0186.

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Until recently, caenagnathids were a family of oviraptorosaurs represented only by fragmentary material. As such, caenagnathid biology has never been studied in depth. A well-preserved mandible provides new information on the anatomy and dietary habits of Chirostenotes. The mandible is edentulous, has a completely fused symphysis, with sharp occlusal margins and complex lingual surfaces. Finite element analysis shows that the lingual ridges are reinforced. This suggests that they had a function in food processing. These and other features suggest adaptations for an efficient shearing mechanism, and the overall morphology is poorly adapted for durophagous behaviour. Comparisons with three groups with convergently similar mandibles, especially dicynodonts, indicate caenagnathids were capable of handling an herbivorous diet. Here, an omnivorous diet is proposed for Chirostenotes, including folivory and small prey.

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34

Peredo, Carlos Mauricio, and Nicholas D. Pyenson. "Morphological variation of the relictual alveolar structures in the mandibles of baleen whales." PeerJ 9 (July 30, 2021): e11890. http://dx.doi.org/10.7717/peerj.11890.

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Living baleen whales (mysticetes) are bulk filter feeders that use keratinous baleen plates to filter food from prey laden water. Extant mysticetes are born entirely edentulous, though they possess tooth buds early in ontogeny, a trait inherited from toothed ancestors. The mandibles of extant baleen whales have neither teeth nor baleen; teeth are resorbed in utero and baleen grows only on the palate. The mandibles of extant baleen whales also preserve a series of foramina and associated sulci that collectively form an elongated trough, called the alveolar groove. Despite this name, it remains unclear if the alveolar groove of edentulous mysticetes and the dental structures of toothed mammals are homologous. Here, we describe and quantify the anatomical diversity of these structures across extant mysticetes and compare their variable morphologies across living taxonomic groups (i.e., Balaenidae, Neobalaenidae, Eschrichtiidae, and Balaenopteridae). Although we found broad variability across taxonomic groups for the alveolar groove length, occupying approximately 60–80 percent of the mandible’s total curvilinear length (CLL) across all taxa, the relictual alveolar foramen showed distinct patterns, ranging between 15–25% CLL in balaenids, while ranging between 3–12% CLL in balaenopterids. This variability and the morphological patterning along the body of the mandible is consistent with the hypothesis that the foramina underlying the alveolar groove reflect relictual alveoli. These findings also lay the groundwork for future histological studies to examine the contents of these foramina and clarify their potential role in the feeding process.

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Marin, Danny Omar Mendoza, Kássia de Carvalho Dias, André Gustavo Paleari, Ana Carolina Pero, João Neudenir Arioli Filho, and Marco Antonio Compagnoni. "Split-Framework in Mandibular Implant-Supported Prosthesis." Case Reports in Dentistry 2015 (2015): 1–5. http://dx.doi.org/10.1155/2015/502394.

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During oral rehabilitation of an edentulous patient with an implant-supported prosthesis, mandibular flexure must be considered an important biomechanical factor when planning the metal framework design, especially if implants are installed posterior to the interforaminal region. When an edentulous mandible is restored with a fixed implant-supported prosthesis connected by a fixed full-arch framework, mandibular flexure may cause needless stress in the overall restorative system and lead to screw loosening, poor fit of prosthesis, loss of the posterior implant, and patient’s discomfort due to deformation properties of the mandible during functional movements. The use of a split-framework could decrease the stress with a precise and passive fit on the implants and restore a more natural functional condition of the mandible, helping in the longevity of the prosthesis. Therefore, the present clinical report describes the oral rehabilitation of an edentulous patient by a mandibular fixed implant-supported prosthesis with a split-framework to compensate for mandibular flexure.Clinical Significance.The present clinical report shows that the use of a split-framework reduced the risk of loss of the posterior implants or screws loosening with acceptable patient comfort over the period of a year. The split-framework might have compensated for the mandibular flexure during functional activities.

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36

Janev, Edvard, Nadica Janeva, Marija Peeva-Petreska, and Kristina Mitic. "Therapeutic Challenge in a Severely Atrophic Mandible." Open Access Macedonian Journal of Medical Sciences 6, no. 3 (March 10, 2018): 564–67. http://dx.doi.org/10.3889/oamjms.2018.130.

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BACKGROUND: After tooth loss, however, severely atrophic residual alveolar ridges are fairly common, especially in patients who have been edentulous for a long period. Anterior area of the mandible is areas where clinicians have greater anatomical limitations. Reduced alveolar bone height very often represents a contraindication to implant therapy, unless a procedure such as a ridge augmentation is performed.CASE REPORT: This study aims to present two separate cases in highly selected edentulous anterior mandibular sites, where one stage, mini implants were used to support total prostheses. Small diameter implants have been used for retention of complete removable mandibular overdentures. This is an excellent option for those who suffer from the inconvenience and embarrassment of loose lower dentures and are tired of having to use sticky pastes and creams to make their dentures stay in place.CONCLUSION: Small diameter implants, when used multiples may offer adequate support for a removable prosthesis and overcome this problem.

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37

Aouini, Walid, France Lambert, Luc Vrielinck, and Bart Vandenberghe. "Patient Eligibility for Standardized Treatment of the Edentulous Mandible: A Retrospective CBCT-Based Assessment of Mandibular Morphology." Journal of Clinical Medicine 8, no. 5 (May 7, 2019): 616. http://dx.doi.org/10.3390/jcm8050616.

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The aim of the study was to evaluate the proportion of patients recommended for full-arch mandibular restoration that would be eligible for treatment with a recently developed premanufactured full-arch prosthesis (Trefoil™, Nobel Biocare) based on the morphology of their lower jaw. Anonymized cone beam computed tomography (CBCT) data from 100 partially and fully edentulous patients referred for full-arch mandibular restoration were retrospectively collected from an imaging center database. Using custom-built software, CBCTs of mandibles were registered to a reference CBCT of a patient treated previously with a premanufactured full-arch prosthesis to determine if patients had adequate horizontal width and vertical height for implant placement. Bone height and thickness around simulated implants and distances to the incisive canal were evaluated. Mandibular arch width and semi-automated volume calculations were also performed. Using the system-specific 5.0 mm diameter implants with lengths of 13 and 11.5 mm, 85% and 86% of patients, respectively, were eligible for treatment with the standardized prosthesis. Eligibility was higher for men than women (odds ratio = 3.9, p = 0.045) due to increased bone volume. Based on mandibular morphology, our results suggest that the standardized treatment concept could serve a large percentage of patients with edentulous mandibles or failing dentition in the mandible.

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Bernardi, Sara, Roberto Gatto, Marco Severino, Gianluca Botticelli, Silvia Caruso, Claudio Rastelli, Ettore Lupi, Adolfo Quiroz Roias, Enzo Iacomino, and Giovanni Falisi. "Short Versus Longer Implants in Mandibular Alveolar Ridge Augmented Using Osteogenic Distraction: One-Year Follow-up of a Randomized Split-Mouth Trial." Journal of Oral Implantology 44, no. 3 (June 1, 2018): 184–91. http://dx.doi.org/10.1563/aaid-joi-d-16-00216.

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The aim of this study was to evaluate the reliability of 6-mm-long implants compared with normal-length implants placed in a vertical augmented atrophic posterior mandible, supporting cemented single crowns. Thirty-six patients with bilateral posterior edentulous mandible and presenting a bone availability height less than 9 mm from the mandibular canal were enrolled in this study. Patient hemiarches were randomized to receive both 6-mm-long and normal-length implants (10 mm). The technique used for the vertical bone augmentation was the “sandwich” technique, using a bone substitute block as graft. The data outcomes at 1 year postloading follow-up were the loss of implants and complications. Eighty-six 6-mm-long implants and 84 normal implants were inserted. Five short implants and 13 normal implants were lost. In 28 patients, complications occurred, and in 21 cases, the complication was present on the side of the ridge vertical augmentation. From the statistical analysis, the association between the side of the ridge augmentation and the side of occurrence of the complication was statistically significant (P < .05). The results from this trial suggest short implants can be preferred over vertical bone augmentation for the placement of longer implants in the rehabilitation of edentulous posterior mandibles. These initial results must be confirmed by larger and longer follow-ups of 5 years or more.

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Yajima, Naoko, Motohiro Munakata, Kei Fuchigami, Minoru Sanda, and Shohei Kasugai. "Influence of Bisphosphonates on Implant Failure Rates and Characteristics of Postmenopausal Woman Mandibular Jawbone." Journal of Oral Implantology 43, no. 5 (October 1, 2017): 345–49. http://dx.doi.org/10.1563/aaid-joi-d-17-00015.

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Rehabilitation of oral function using dental implants is clinically effective and highly predictable. Both bone quantity and quality at the implant site affect the success of the procedure. However, the effect of bisphosphonate (BP) use on mandibular bone quality has not been well documented. The purpose of this retrospective cohort study was to evaluate the bone mineral density (BMD) and cortical thickness of the mandible, as well as the influence of BP use on early implant failure. Twenty-five female patients (≥60 years of age) were selected from among 93 candidates with partially edentulous posterior mandibles. Eleven patients had received BP therapy using alendronate (BP group), and 14 patients had received alternate therapy (non-BP group). Cortical and trabecular BMD was measured using quantitative computed tomography. Cortical thickness was measured using computed tomography. The BMDs and cortical thicknesses of the two groups were compared. The results were as follows: (1) Cortical BMD was significantly higher in the BP group, (2) trabecular BMD was not affected by BP use, and (3) Cortical thickness was affected by the duration of BP use. These results indicate that BP use affects the quality and quantity of the cortical bone in the partially edentulous posterior mandible of patients with osteoporosis, which should be considered prior to treatment with dental implants in patients taking BPs.

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Bujak, Bartosz, and Marek Skrodzki. "Implant prosthetic reconstruction of edentulous mandible: A case report." Prosthodontics 66, no. 6 (December 21, 2016): 477–83. http://dx.doi.org/10.5604/.1226744.

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Batbayar, Enkh-Orchlon, Ruud R. M. Bos, and Baucke van Minnen. "A Treatment Protocol for Fractures of the Edentulous Mandible." Journal of Oral and Maxillofacial Surgery 76, no. 10 (October 2018): 2151–60. http://dx.doi.org/10.1016/j.joms.2018.04.010.

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Stover, John D. "Anatomic Considerations in the Partially and Fully Edentulous Mandible." Atlas of the Oral and Maxillofacial Surgery Clinics 2, no. 2 (September 1994): 1–8. http://dx.doi.org/10.1016/s1061-3315(18)30128-8.

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Sadowsky, Steven J. "Immediate Load on the Edentulous Mandible: Treatment Planning Considerations." Journal of Prosthodontics 19, no. 8 (November 11, 2010): 647–53. http://dx.doi.org/10.1111/j.1532-849x.2010.00641.x.

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CASTELLON, PAULINO, MARKUS B. BLATZ, MICHAEL S. BLOCK, ISRAEL M. FINGER, and BILL ROGERS. "Immediate loading of dental implants in the edentulous mandible." Journal of the American Dental Association 135, no. 11 (November 2004): 1543–49. http://dx.doi.org/10.14219/jada.archive.2004.0080.

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Holland, Ian. "The fractured edentulous atrophic mandible — open or closed treatment?" Evidence-Based Dentistry 8, no. 3 (September 2007): 87. http://dx.doi.org/10.1038/sj.ebd.6400515.

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Bressan, Eriberto, Nadia Ferrarese, Mattia Pramstraller, Diego Lops, Roberto Farina, and Cristiano Tomasi. "Ridge Dimensions of the Edentulous Mandible in Posterior Sextants." Implant Dentistry 26, no. 1 (February 2017): 66–72. http://dx.doi.org/10.1097/id.0000000000000489.

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Raghoebar, Gerry M., Rutger H. K. Batenburg, Henny J. A. Meijer, and Arjan Vissink. "Horizontal osteotomy for reconstruction of the narrow edentulous mandible." Clinical Oral Implants Research 11, no. 1 (February 2000): 76–82. http://dx.doi.org/10.1034/j.1600-0501.2000.011001076.x.

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Raghoebar, Gerry M., Henny J. A. Meijer, Boudewijn Stegenga, Martin A. Van't Hof, Rob P. Van Oort, and Arjan Vissink. "Effectiveness of three treatment modalities for the edentulous mandible." Clinical Oral Implants Research 11, no. 3 (June 2000): 195–201. http://dx.doi.org/10.1034/j.1600-0501.2000.011003195.x.

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Koka, Sreenivas, Jeffrey B. Payne, and Nancy R. Chaffee. "TREATMENT OF BUCCALLY PLACED IMPLANTS IN THE EDENTULOUS MANDIBLE." Implant Dentistry 2, no. 3 (1993): 186–90. http://dx.doi.org/10.1097/00008505-199309000-00008.

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Koka, S., J. B. Payne, and N. R. Chaffee. "Treatment of buccally placed implants in the edentulous mandible." Implant Dentistry 2, no. 3 (1993): 205. http://dx.doi.org/10.1097/00008505-199309000-00022.

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