نتایج جستجو برای: restoration margin
تعداد نتایج: 84884 فیلتر نتایج به سال:
This case report describes the management of a crown-root fractured maxillary right central incisor and a crown fractured maxillary left central incisor using two different techniques. A complex procedure was designed to manage this case including orthodontic extrusion to move the fracture line above the alveolar bone and surgical recontouring of the altered gingival margin. Finally, the right ...
We report the case of a woman aged 32 years with no medical history, who presented to the Department of Oral and Maxillofacial Surgery in Timisoara, Romania, accusing pain, right lateral cervical swelling and difficulty in head movements, due to the presence of a giant lateral cervical mass, which had a rapid growth during the last six months. During anamnesis, it was difficult to determine whe...
Tooth preparations for fixed prosthetic restorations can be done in different ways, basically of two kinds: preparation with a defined margin and the so-called vertical preparation or feather edge. The latter was originally used for prosthetics on teeth treated with resective surgery for periodontal disease. In this article, the author presents a prosthetic technique for periodontally healthy t...
The success of tooth restorations rendered according to principles of the Atraumatic Restorative Treatment (ART) approach is dependant on various clinical factors. The most common failures, due to these factors, are partial material loss; complete material loss; caries related to restoration margin and material wear > 0.5mm. The main reason for clinical ART failures are related to operator skil...
Root caries is a lesion located on the root surface of a tooth, usually close to or below the gingival margin. Root caries has become an important dental problem because people are living longer and keeping their teeth longer. As patients grow older, their gums recede and root surfaces are exposed, making them more susceptible to root caries. Any caries-prone patient having gingival recession c...
Research shows that practitioners tend to underestimate the amount of tooth structure that must be exposed during a crown lengthening procedure. In the anterior portion of the mouth, this can lead to biologic width problems and subsequent cosmetic issues. This paper presents a biologically based, step-by-step approach to periodontal esthetic crown lengthening. Using a series of innovative measu...
Anterior exposure for cervical chordomas remains challenging because of the anatomical complexities and the restoration of the dimensional balance of the atlanto-axial region. In this report, we describe and analyze the transmandibular transoral approach and multilevel spinal reconstruction for upper cervical chordomas. We report two cases of cervical chordomas (C2 and C2-C4) that were treated ...
UNLABELLED A modified design for ovate pontics is proposed to achieve the esthetic, functional, and hygienic requirements for fixed partial dentures. This design should aid the clinician in preparing the edentulous area, thus resulting in less discomfort for the patient because little to no ridge augmentation is required. The same emergence profile can be developed as with the classic ovate pon...
Immediate implant placement in a one-stage approach, with or without provisionalization, has proven to be advantageous in preserving gingival anatomy around dental implants. But placing implants immediately in the changing alveolar bone of an extraction socket can result in progressive recession of the gingival labial margin over the implant restoration. Thicker biotypes and bone of the labial ...
Single-stage implants are frequently used, but their use in the anterior dentition has not been widely published. The purpose of this case report is to present the esthetic result of a single-stage implant to replace a maxillary central incisor, and to demonstrate the unconventional use of a 15-degree angled ITI implant. A 15-degree 12-mm hollow cylinder was placed with the angle reversed facia...
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