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Quarterly published in print and online "Inventi Impact: OroDental" publishes high quality unpublished as well as high impact pre-published research and reviews catering to the needs of researchers and professionals. The journal focuses on all aspects of dentistry with a special emphasis on dental and oro-facial research. Articles are invited from across the domain, particularly dealing with - dental biomaterials, endodontics and traumatology, implant dentistry, oral and maxillofacial surgery, orthodontics, oral radiology and periodontal medicine.
Background: The purpose of this paper is to review the available literature on three-dimensionally printed complete
dentures in terms of novel biomaterials, fabrication techniques and workflow, clinical performance and patient
Methods: The methodology included applying a search strategy, defining inclusion and exclusion criteria, selecting
studies and forming tables to summarize the results. Searches of PubMed, Scopus, and Embase databases were
performed independently by two reviewers to gather literature published between 2010 and 2020.
Results: A total of 126 titles were obtained from the electronic database, and the application of exclusion criteria
resulted in the identification of 21 articles pertaining to printed technology for complete dentures. Current innovations
and developments in digital dentistry have successfully led to the fabrication of removable dental prostheses
using CAD/CAM technologies. Milled dentures have been studied more than 3D printed ones in the currently available
literature. The limited number of clinical studies, mainly case reports, suggest current indications of 3D printing
in denture fabrication process to be custom tray, record bases, trial, interim or immediate dentures but not definitive
prostheses fabrication. Limitations include poor esthetics and retention, inability to balance occlusion and low printer
Conclusions: Initial studies on digital dentures have shown promising short-term clinical performance, positive
patient-related results and reasonable cost-effectiveness. 3D printing has potential to modernize and streamline the
denture fabrication techniques, materials and workflows. However, more research is required on the existing and
developing materials and printers to allow for advancement and increase its application in removable prosthodontics....
(1) Background: Three-dimensional printing is progressing rapidly and is applied in many\nfields of dentistry. Tooth autotransplantation offers a viable biological approach to tooth replacement\nin children and adolescents. Restoring or reshaping the transplanted tooth to the anterior maxilla\nshould be done as soon as possible for psychological and aesthetic reasons. However, to avoid\ninterfering with the natural healing process, reshaping of transplanted teeth is usually delayed\nthree to four months after transplantation. This delay creates a need for simple indirect temporary\naesthetic restoration for autotransplanted teeth. The aim of this study was to develop and validate a\ndigital solution for temporary restoration of autotransplanted teeth using 3D printing. (2) Methods:\nFour dry human skulls and four dry human mandibles were scanned using cone beam computed\ntomography to create 3D models for 15 premolars. Digital impression of the maxillary arch of one of\nthe skulls was captured by intra oral scanner. The digital work flow for the design and fabrication\nof temporary veneers is presented. The seating and adaptation of the 3D printed veneers were\nevaluated using stereomicroscopy and micro-computed tomography. (3) Results: Evaluation of the\nveneer seating using stereomicroscopy showed that the mean marginal gap at all of the sides was\nbelow the cut-off value of 200 micron. The overall mean marginal gap was.....................
To ensure a successful dental implant therapy, the presence of adequate vertical and horizontal alveolar bone is fundamental.\nHowever, an insufficient amount of alveolar ridge in both dimensions is often encountered in dental practice due to the\nconsequences of oral diseases and tooth loss. Although postextraction socket preservation has been adopted to lessen the need for\nsuch invasive approaches, it utilizes bone grafting materials, which have limitations that could negatively affect the quality of bone\nformation. To overcome the drawbacks of routinely employed grafting materials, bone graft substitutes such as 3D scaffolds have\nbeen recently investigated in the dental field. In this review, we highlight different biomaterials suitable for 3D scaffold fabrication,\nwith a focus on Ã¢â?¬Å?3D-printedÃ¢â?¬Â ones as bone graft substitutes that might be convenient for various applications related to implant\ntherapy.We also briefly discuss their possible adoption for periodontal regeneration....
Background. A radicular cyst is the most common odontogenic cyst of inflammatory origin. Radiographically, it commonly\ndemonstrates clear unilocular radiolucency; radicular cysts with multilocular radiolucency are quite rare. Case Presentation. A\n64-year-old Japanese man who presented with a bilocular radiolucent lesion in his left mandible was referred by a dental clinic\nto our oral and maxillofacial surgery department. He had no particular subjective symptoms. Orthopantomography and\ncomputed tomography (CT) revealed an 18mm*15mm lesion with well-defined bilocular radiolucency in the left mandible\nexpanding from the distal side of a canine tooth to the bottom of the 2nd premolar. The lesion included the roots of the 1st and\n2nd premolars. The root of the 2nd premolar showed knife-edge resorption. Although the 1st premolar was nonvital, the 2nd\npremolar was a vital tooth. As differential diagnoses, a radicular cyst, ameloblastoma, odontogenic keratocyst, pseudocyst, and\nothers might be considered. We performed a total resection of the bilocular lesion and diagnosed the lesion as a radicular cyst\nwith tooth structure components inside. The tooth structure components represented lamellar structures of cementum; they\nwere located only in the proximal part (under the 1st premolar) of the lesion. The distal part of the lesion presented distinctive\ninflammation without tooth structure components. Conclusion. We encountered a rare case of a bilocular radicular cyst with\ntooth structure components inside....
The aim of this study was to make a comparison of the compressive properties of the goat temporomandibular joint (TMJ) disc to\nthe mandibular condylar cartilage (MCC) and to explore the transversely isotropic biphasic model. Samples taken mediolaterally\nfrom three regions of the TMJ disc and MCC were tested in unconfined compression at strain levels ranging from 10% to 50%\nand then assessed for biochemical content. The results indicated that the TMJ disc exhibits a significantly greater tangent modulus\nthan the MCC from 20% to 50% strain with values ranging from 729 Ã?Â± 267 to 2413 Ã?Â± 406 kPa and 363 Ã?Â± 169 to 1677 Ã?Â± 538 kPa,\nrespectively (P < .05). The collagen content of the TMJ disc was significantly greater than the MCC, while the opposite held for\nthe glycosaminoglycan (GAG) and DNA content. The results emphasize fundamental differences between the articulating tissues\nof the TMJ....
Background: Anecdotal reports assert a relationship between weather and lunar activity and the odontogenic\nabscess (OA) incidence, but this relationship has not been validated. Therefore, the present study investigated the\nrelationship between oral pain caused by OA and a variety of meteorological parameters and cyclic lunar activity.\nMethods: The records of all dental emergency patients treated at the AllDent Zahnzentrum Emergency Unit in\nMunich, Germany during 2012 were retrospectively reviewed. Patients with oral pain who were diagnosed with\nOA and treated surgically (n = 1211) were included in the analysis. The OA incidence was correlated to daily\nmeteorological data, biosynoptic weather analysis, and cyclic lunar activity.\nResults: There was no seasonal variation in the OA incidence. None of the meteorological parameters, lunar phase,\nor biosynoptic weather class were significantly correlated with the OA incidence, except the mean barometric\npressure, which was weakly correlated (rho = -0.204). The OA incidence showed a decreasing trend as barometric\npressure increased (p < 0.001). On multiple linear regression, the barometric pressure accounted for approximately\n4% of the OA incidence.\nConclusion: There is no evidence supporting a correlation between the incidence of odontogenic abscess and the\nweather and lunar activities...
water solubility of new sealers should be studied. This study aimed to assess the water solubility\r\nof five root canal sealers (AH-26, Topseal, 2-Seal, Acroseal, and Roeko Seal Automix [RSA]).\r\nMaterials and Methods: In this in vitro experimental study, 30 specimens were fabricated from\r\neach of the abovementioned sealants. Then they were weighed and randomly divided into three\r\nsubgroups of 10 each (A, B, and C). They were set at 37Ã?Â°C and 100% RH, in accordance with ANSI/\r\nADA 57 and ISO 6876-2001 requirements. Afterward, the specimens in subgroups A were incubated\r\nat 37Ã?Â°C and 100% RH for 24 hours, while the specimens in the subgroups B and C were incubated\r\nin the same conditions for 7 days and 28 days, respectively. After incubation, the specimens were\r\ndried with blotting paper and were incubated for 24 hours at 37Ã?Â°C and 0% RH. Then they were\r\nweighed. The percentage of weight loss was regarded as water solubility.\r\nResults: The mean solubility of the sealers AH-26, Acroseal, Topseal, 2-Seal, and RSA were 0.28%,\r\n0.36%, 0.07%, 0.037%, and 0.141% after 24 hours, respectively. After 28 days, their solubility were\r\n1.75%, 0.746%, 0.082%, 0.04%, and 0.517%, respectively. Only the solubility of the sealers 2-Seal\r\nand Topseal were not statistically different (P>0.3 [TukeyÃ¢â?¬â?¢s]). Again only the solubility of 2-Seal and\r\nTopseal did not significantly increase between the 7th day and the 28th day of incubation (P>0.6\r\n[paired-samples t]).\r\nConclusion: All tested materials met the standards (maximum weight loss of 3% within 24 hours).\r\nHowever, the results of 2-Seal followed by Topseal were the most favorable ones....
This study presents a case report of an inflammatory dentigerous cyst of tooth #35, associated with its previously endodontically
treated deciduous predecessor. Cystic lesion growth caused impaction of the second premolar, displacing it closer to the lower
border of the mandible. The lesion represents a typical dentigerous cyst that possibly arises in association with periapical
inflammation of a deciduous molar involving the follicle of the premolars. This report highlights the inflammatory etiology of
dentigerous cysts, which mainly occur in mixed dentition. A 12-year-old patient was referred to Oral Surgery Department
regarding a sizeable radiolucent lesion in the unerupted mandibular second premolar region, detected on an
Orthopantomagram (OPG) X-ray. A non-vital primary predecessor had been endodontically treated at least one year before
an examination, with a control OPG X-ray showing no signs of pathology at the time. The patient did not report any
symptoms. Clinical examination revealed an egg-like tumefaction of the alveolar bone in the left premolar region of the
mandible. Cone-beam computed tomography analysis showed a sizeable translucent lesion surrounding the crown of the
impacted tooth. The lesion was enucleated in its entirety, along with the impacted premolar, under local anesthesia. Clinical
findings combined with radiographic and microscopic examinations confirmed the diagnosis of an inflammatory
dentigerous cyst. The seventeen month follow-up revealed good bone healing. This case presented a rare complication of
endodontic treatment of deciduous teeth and informed on possible complications of endodontic therapy in deciduous teeth,
emphasizing the importance of early diagnosis of cysts in preventing extraction of permanent teeth....
This case report described a modified bilaminar technique for treating a single gingival recession. Patient presented a gingival\nrecession in a maxillary canine. Tooth was in a buccally prominent position and soft keratinized tissue apical to the recession\nwas reduced but still present. A split-full-split thickness trapezoidal flap was designed. Rootâ??s surface was prepared with curettes.\nEpithelial-connective tissue graft was harvested from the palate with reduced dimension. After deepithelialization, the graft was\nplaced with a fibrin-fibronectin system at the maximum root coverage level, and the flap coronally advanced and sutured. At 3-\nyear follow-up control, the free gingival margin was still stable at the postsurgery position, with a thicker biotype corresponding\nto the grafted area, with no probing and a suitable aesthetic result....
Several orthopedic procedures have been used in early treatment to reduce the need for orthognathic surgery in skeletal Class III.\nThe most used treatment is Rapid Maxillary Expansion and Facemask. This procedure also determines a clockwise rotation of the\nmandible, increasing the vertical dimensions of the lower third of the face. Therefore, the control of vertical dimension appears to\nbe a key objective in Class III hyperdivergent patients. This article shows two skeletal Class III patients treated with a new appliance\n(Pushing Splints 3), that is able to correct sagittal discrepancy with a good control of the vertical growth. In both cases, Class I\nrelationship with a proper Overjet and Overbite was achieved with improvement of profile. The final cephalometric values\ndemonstrated a stable sagittal relationship and a good control of the vertical growth. The specific biomechanic features of the\nPS3 appliance permit the improvement of the sagittal jaw relationship, delivering at the same time vertical vectors that are able\nto control the alveolar and skeletal components of the vertical growth. This could be useful in the treatment of Class III\nhyperdivergent patients....
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