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CAD/CAM, gingiva, periodont

K Sagheb, E Schiegnitz, M Moergel, C Walter, B Al-Nawas, W Wagner
BACKGROUND: The augmentation of the jaw has been and continues to be a sophisticated therapy in implantology. Modern CAD-CAM technologies lead to revival of old and established augmentation techniques such as the use of titanium mesh (TM) for bone augmentation. The aim of this retrospective study was to evaluate the clinical outcome of an individualized CAD-CAM-produced TM based on the CT/DVT-DICOM data of the patients for the first time. METHODS: In 17 patients, 21 different regions were augmented with an individualized CAD-CAM-produced TM (Yxoss CBR®, Filderstadt, Germany)...
December 2017: International Journal of Implant Dentistry
George A Mandelaris, Scott D Vlk
Parallel use of implant treatment planning software and cone-beam computed tomography (CBCT) can, using certain criteria, consolidate steps and streamline tooth replacement strategies. The authors describe such a case in the esthetic zone whereby flapless extraction and immediate implant placement using CT-guided surgery were performed simultaneously, with placement of a computer-aided design/computer-aided manufactured (CAD/CAM) patient-specific abutment and non-occlusal function provisional in a single visit (supporting the "one-abutment, one-time" concept)...
July 2014: Compendium of Continuing Education in Dentistry
Emily R Batson, Lyndon F Cooper, Ibrahim Duqum, Gustavo Mendonça
STATEMENT OF PROBLEM: Computer-aided design and computer-aided manufacturing (CAD/CAM) generated restorations are gaining popularity. However, limited clinical evidence is available for single-unit posterior CAD/CAM restorations fabricated with established and newer crown materials. PURPOSE: The purpose of this clinical study was to assess the restoration quality of and gingival response to CAD/CAM fabricated posterior single-tooth restorations with different processing technologies...
October 2014: Journal of Prosthetic Dentistry
Mukesh Singhal, Romil Singhal
OBJECTIVE: Even with beautifully done restorations, an unattractive gingival zenith position, can negatively affect the smile of a person. In this short communication we describe the treatment of a rotated maxillary right central incisor using a digital photographic approach instead of the conventional approach. BACKGROUND: The conjecture literature on prosthodontic considerations and gingival zenith position in cases of rotated maxillary central incisors is sparse...
January 2012: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
Ines Willershausen, Karl Martin Lehmann, Armin Roβ, Shahram Ghanaati, Brita Willershausen
OBJECTIVE: CAD/CAM is based on optical or mechanical scanning of tooth surfaces. The aim of this in vitro study was to investigate the influence of three different scan sprays on the proliferation, viability, and adenylate kinase (ADK) release of human fibroblasts. METHOD AND MATERIALS: Three different scan sprays (ScanDry, ScanSpray Luer Classic, and CEREC Optispray) were tested in vitro to determine their effects on proliferation, viability, and ADK release of human periodontal fibroblasts...
June 2012: Quintessence International
Valerie Ronay, Philipp Sahrmann, Andreas Bindl, Thomas Attin, Patrick R Schmidlin
UNLABELLED: The morphologic and metric assessment of mucogingival soft tissue dimensions is of great multidisciplinary clinical and academic interest, in order to quantify and monitor gingival changes while in treatment, e.g., during periodontal, restorative, prosthetic, orthodontic, or implant therapy. Pink esthetics play an increasingly important role in the overall treatment success, and therefore have to be monitored throughout therapy. The purpose of this article was to identify and summarize methods, which aim at quantifying gingival dimensions in terms of morphology, thickness, and volume, with respect to their accuracy and practicability...
June 2011: Journal of Esthetic and Restorative Dentistry
Giacomo Fabbri
The aesthetic rehabilitation of patients with functionally compromised dentition frequently involves a multidisciplinary approach. A correct aesthetic diagnosis, treatment plan, and careful material selection are critical factors in successful restoration. A team approach that includes the clinicians, the laboratory technician, and the patient is essential to achieve the desired result. The following case presentation demonstrates a successful multidisciplinary approach used to recreate an aesthetic smile in a young patient with functionally and aesthetically compromised anterior maxillary dentition...
November 2008: Practical Procedures & Aesthetic Dentistry: PPAD
Jan Strebel, Andreas Ender, Frank Paqué, Michael Krähenmann, Thomas Attin, Patrick R Schmidlin
BACKGROUND: Non-surgical and surgical periodontal treatment may cause volumetric changes in the gingival contour. Many techniques have been suggested to minimize soft tissue shrinkage; however, there is a lack of three-dimensional (3D) quantitative data comparing different treatment approaches. The aim of the present study was to clinically validate an easy-to-use chair-side procedure to document volumetric changes in the interdental papilla region. METHODS: Nine volunteers participated in the study...
January 2009: Journal of Periodontology
Andreas Bindl, Björn Richter, Werner H Mörmann
PURPOSE: Adhesive cementation reduces the need for macroretentive preparation for crowns. This study investigated the survival and clinical rating of monolithic computer-aided design/manufacturing (CAD/CAM) ceramic crowns bonded to preparations with reduced macroretention, hypothesizing that adhesion would compensate for reduced retention geometry. MATERIALS AND METHODS: Two-hundred eight posterior CAD/CAM-generated crowns from feldspar block ceramic were adhesively bonded in 136 patients in three preparation groups: classic (100% stump height, n = 70); reduced (reduced stump height or irregular stump, n = 52); and endo (absent stump but pulp chamber retention cavity, n = 86)...
May 2005: International Journal of Prosthodontics
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