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Dental Articles, Dental Publications, and Dental Journals

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Recently Added Articles
Updating Classifications of Ceramic Dental Materials

Updating Classifications of Ceramic Dental Materials
The indications for and composition of today’s dental ceramic materials serve as the basis for determining the appropriate class of ceramics to use for a given case. By understanding the classifications, composition, and characteristics of the latest all-ceramic materials, which are presented in this article in order of most to least conservative, dentists and laboratory technicians can best determine the ideal material for a given treatment.

Author(s): Edward A. McLaren, DDS, MDC;Johan Figueira, DDS
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Reconstruction of a Single-Tooth Traumatic Defect in the Anterior Maxilla Using the Khoury Bone Plate Graft

Reconstruction of a Single-Tooth Traumatic Defect in the Anterior Maxilla Using the Khoury Bone Plate Graft
Trauma to teeth and the dentoalveolar process may result in a ridge defect that precludes straightforward implant therapy of the patient. Typically bone and soft tissue augmentation of the area would first be needed to adequately prepare the tissues for the implant and its restoration..Grafting of the site is substantially more difficult in cases where the ridge also lacks adequate height, and techniques to recreate a bony envelope to apply guided bone regeneration may be required. Moreover, defects in the anterior aesthetic zone that require both bone and soft tissue grafting and a restoration that harmonizes the adjacent pink and white aesthetics may be an even more significant challenge to the restorative team. Hereafter a case of trauma to an anterior maxillary tooth that saw destruction of the ridge is presented, with the defect reconstructed to accommodate a functional and aesthetically pleasing implant supported restoration.

Author(s): Howard Gluckman, BDS, MChD;Jonathan Du Toit, BChD
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Loss of Accuracy to Torque Wrenches Due to Clinical Use and Cleaning Procedures: Short Communication

Loss of Accuracy to Torque Wrenches Due to Clinical Use and Cleaning Procedures: Short Communication
The aim of this study was to investigate the way intensive use and multiple cleanings of torque wrenches may interfere with accuracy over time. Three different brands were tested at baseline and after enduring mechanical testing and cleaning in a thermal disinfector. Torque wrenches were tested at a predetermined value of 30Ncm at given intervals, and true values were registered by means of a digital torque gauge. The spring-style torque wrench produced values that changed significantly after maltiple mechanical and multiple cleaning cycles. However, the differences were small and the measured values from all tested specimens were close to the predetermined value of 30Ncm.

Author(s): Egbert Stroosnijder, DDS; Marco M.M. Gresnigt, DDS, PhD; Eric W. Meisberger, DDS; Marco S. Cune, DDS, PhD
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Gingival Biotype Characterization - A Study in a Portuguese Sample

Gingival Biotype Characterization - A Study in a Portuguese Sample
Establishing the diagnosis of a particular clinical situation in the oral cavity must take many characteristics into consideration, with gingival pheno-type being an important one because it is linked to every individual's gingival morphogenic characteristics, including soft tissue appearance, genetic characteristics, and the way the gingiva looks after manipulation.

Author(s): Ana Peixoto, DMD; Tiago M. Marques, DMD; Andre Correia, DMD, PhD
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Human Palatal and Tuberosity Mucosa as Donor Sites for Ridge Augmentation

Human Palatal and Tuberosity Mucosa as Donor Sites for Ridge Augmentation
Since different clinical outcomes of periodontal bilaminar surgeries using the palate or the maxillary tuberosity as connective tissue (CT) donor sites have been observed, tissues grafted with CT from the palate or the tuberosity 1 year after surgical procedures for ridge augmentation were compared with nongrafted tissues by using morphologic and molecular methods. Collagen content and matrix metalloproteinases 1 and 2 expression were similar in tissues and cultured fibroblasts from the palate and tuberosity, although with interindividual differences. In contrast, differences in collagen cross-linking and maturation in the tuberosity fibroblasts were observed, suggesting a possible role in determining hyperplastic responses in some patients.

Author(s): Claudia Dellavia, DDS, PhD; Giano Ricci, DDS; Letizia Pettinari, PhD; Cristina Allievi, DDS, PhD; Fabio Grizzi, PhD; Nicoletta Gagliano, PhD
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