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At least 541 records · Page 30Linked to original sources
PubMed2004

Rotated palatal flaps: A functional and aesthetic solution in endentulous sites.

Resorption of alveolar process generally occurs following tooth extraction, and this process may cause a variety of jaw deformities. Bone deformities in the aesthetic zone impair the appearance, quality, and prognosis of the definitive restoration. The rotated palatal flap is a surgical modality that can be used to reduce or prevent alveolar resorption and assist in the repairing of exisiting defects. This presentation demonstrates the application of the rotated palatal flap in a variety of clinical cases as a means of addressing such resorption.

Adult↗
PubMedDate not supplied

Clinical performance and 5-year retrospective evaluation of Frialit-2 implants.

PURPOSE: This retrospective study documents 5 years of clinical experience with Frialit-2 implants. MATERIALS AND METHODS: A total of 1,215 implants (338 immediately placed, 877 placed according to a delayed-placement protocol) were placed in 487 patients. After exclusion criteria were applied, 1,099 implants (322 immediate, 777 delayed) in 442 patients remained. The influence of delayed versus immediate placement on the survival of these 1,099 implants was analyzed. The influence of diameter and location (maxilla versus mandible) on survival of the implant were also examined. Implantation sites included anterior and posterior regions; the surgical protocol (ie, immediate or delayed placement) was selected according to the indications for each site. Immediate implants were placed at the time of extraction, while delayed implants were placed 8 to 12 weeks postextraction. A 2-phase surgical protocol was used for all implants. Follow-up time ranged from 5.8 to 67.4 months. RESULTS: According to the Kaplan-Meier method, the cumulative survival rate (CSR) was determined to be 90.05% at 5 years with 103 failures (32 immediate, for a CSR of 90.03%; 71 delayed, for a CSR of 90.04%). The lowest CSR (85%) was seen in the 3.4-mm-wide implants, while the 3.8-mm-wide implants had the highest CSR (93.16%). The CSR for implants in the maxilla was 91.08%; the CSR for implants in the mandible was 89.11%. DISCUSSION: The CSR was relatively low compared to studies by other authors, who reported on implant populations much smaller than that presented here. CONCLUSIONS: A relatively low overall CSR was found, and more than 70% of the failures occurred prior to uncovering (loading) or within 2.5 months of uncovering in this patient population.

Adolescent↗
PubMed2004

Principles and implications of site preservation for alveolar ridge development.

The extraction of a tooth normally results in the loss of ridge height and width. Often, clinicians are faced with the management of edentulous sites that are less than optimal for prosthetic rehabilitation and implant restoration due to considerable alveolar ridge collapse after tooth removal. Site preservation using bone grafts or substitutes with and without a membrane maintain ridge dimensions and contours. However, some clinicians believe that such procedures are over-treatment. This paper reviews the concepts and indications for site preservation following tooth extraction for the purpose of facilitating implant placement and conventional prosthetic restoration.

Alveolar Bone Loss↗
PubMedDate not supplied

Immediate loading of single-tooth implants in the posterior region.

PURPOSE: The aim of this study was to evaluate the clinical response and safety of immediately loaded single-tooth implants placed in the posterior region of the maxilla and mandible. MATERIALS AND METHODS: Single-tooth implants were placed in healed extraction sites in 20 adult patients. Temporary pre-fabricated acrylic resin crowns were prepared and adjusted. The crown occlusion was adjusted to obtain minimal contacts in maximum intercuspation. After 6 weeks a ceramometal or all-ceramic crown was cemented. Radiographic and clinical examinations were made at baseline and at 3, 6, and 12 months. Cortical bone response and peri-implant mucosal responses were evaluated. RESULTS: The marginal bone level at the time of implant placement was preserved. The mean change in marginal bone level was 0.01 mm at 12 months. The mean Periotest value after 360 days was -4. The peri-implant mucosal adaptation to the anatomic form of the provisional crown resulted in a natural esthetic outcome, and a gain in papilla length was observed. One implant failure was recorded because of provisional luting cement impaction. DISCUSSION: Clinical research has shown that immediate loading is a possible treatment modality. The immediate functional loading of implants placed in this study resulted in bone adaptation to loading. A satisfactory success rate with positive tissue responses was achieved. CONCLUSIONS: The results of this limited investigation indicated that immediate loading of unsplinted single-tooth implants in the posterior region may be a viable treatment option with an esthetic outcome.

Adult↗
PubMed2005

[Controlled orthodontic extrusion with subsequent implantation].

Controlled orthodontic extrusion constitutes a non-surgical technique to increase alveolar bone material. Prosthetic reconstruction alone frequently does not achieve sufficient long-term aesthetics. An adequate implantation bed is indispensable to meet aesthetic demands. Controlled orthodontic extrusion represents an alternative to pre-implantological augmentation of the vertically reduced alveolar process and its soft tissue.

Adult↗
PubMed2005

The osteotome technique: a classification for technique approach and clinical case reports.

A classification system for Summers' osteotome technique was proposed, categorizing the technique into 4 classes. Additional descriptions are included to further define different approaches. The classification for the technique approach will assist future communication among clinicians and researchers. This article presents representative clinical cases to aid the clinician in applying the classification for the technique approach.

Adult↗
PubMedDate not supplied

Forced eruption: review and case reports.

When developing a diagnosis and prognosis for a compromised anterior tooth, dentists often deem these teeth to be nonrestorable or hopeless without exploring some of the less common options for saving the tooth. This article reviews literature concerning forced eruption as a treatment alternative, discusses treatment planning considerations, and presents two cases in which forced eruption was used. The first case involves a deeply fractured central incisor; the second case deals with a periodontally involved central incisor that was used to prepare its own extraction site for implant placement.

Adult↗
PubMedDate not supplied

Immediate loading of an implant following implant site development using forced eruption: a case report.

In restoring periodontally involved hopeless teeth, implant treatment has been widely used with combinations of various grafting techniques or guided bone regeneration. Instead of traditional surgical procedures, forced tooth eruption may be used successfully for implant site development. In this case, the authors orthodontically erupted a hopeless central incisor with an angular bony defect. Subsequently, they placed an implant immediately after tooth extraction and immediately loaded it with a temporary resin restoration.

Adult↗
PubMed2005

Extraction defect assessment, classification, and management.

Tooth extraction is a traumatic procedure initiating a complex cascade of biochemical and histologic events that inevitably lead to a reduction of alveolar bone and soft tissue. These tissue alterations often lead to an esthetic compromise of the future implant restoration. The hard- and soft-tissue architecture surrounding the extraction defect largely dictates the course of dental implant treatment. The EDS or extraction-defect sounding classification is a novel system introduced to simplify the decision-making process when planning for dental implant therapy following tooth extraction. Dental implant treatment guidelines based on the EDS classification are discussed. A review of pretreatment evaluations necessary to prepare for esthetic implant procedures is also presented.

Alveolar Bone Loss↗
PubMedDate not supplied

Advanced surgical techniques to enhance implant success in the maxilla.

While less emphasis has traditionally been placed on aesthetics in order to focus on successful osseointegration, increased success rates provided by contemporary endosseous root-form dental implants have improved postoperative peri-implant hard and soft tissue structures. The criteria for the evaluation of implant success should, therefore, include lack of pain, mobility, radiolucency, bone loss, infection, or paresthesia, as well as acceptability and stable aesthetics. This article discusses surgical means to preserve or restore hard and soft tissues around dental implants to achieve ideal and predictable outcomes.

Alveolar Ridge Augmentation↗
PubMed2006

Immediate transition to an implant-supported dentition.

Immediate implant placement and loading is becoming increasingly acceptable. However, to be successful, very careful case selection is required, and even if this is achieved, the clinical situation that develops as soon as the natural teeth are removed may prove much less adequate for implant stability, positioning, and survival than anticipated. It makes sense to "over engineer" a case and to place more implants rather than fewer to ensure adequate support during the critical early phase of therapy, particularly when the implants are loaded at the time of placement. It also should be appreciated that immediate transition induces gross changes that can make it difficult to predict the final esthetic outcome.

Crowns↗