Clinical and Radiological Long‐Term Outcome of a Tapered Implant System with Special Emphasis on the Influence of Augmentation Procedures

Schiegnitz, Eik; Tegner, Alexander; Sagheb, Keyvan; Berres, Manfred; Kämmerer, Peer W.; Wagner, Wilfried

doi:10.1111/cid.12338

Cited by 23 publications

(29 citation statements)

References 47 publications

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“…2). Schiegnitz et al (2015) found that the tapered design demonstrated direct and indirect advantages in reducing the risk of fracture of the labial cortical plate during all 3 fundamental surgical steps of the split crest technique. Therefore, tapered implants inserted in conjunction with the split crest technique seem to be a promising surgical procedure to treat selected anatomic situations involving insufficient maxillary bone thickness.…”

Section: Implant Shapementioning

confidence: 98%

Tapered Implants in Dentistry

Wilson¹,

Miller

Trushkowsky

et al. 2016

Adv Dent Res.

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The most common approach to lessen treatment times is by decreasing the healing period during which osseointegration is established. Implant design parameters such as implant surface, primary stability, thread configuration, body shape, and the type of bone have to be considered to obtain this objective. The relationship that exists between these components will define the initial stability of the implant. It is believed implant sites using a tapered design and surface modification can increase the primary stability in low-density bone. Furthermore, recent experimental preclinical work has shown the possibility of attaining primary stability of immediately loaded, tapered dental implants without compromising healing and rapid bone formation while minimizing the implant stability loss at compression sites. This may be of singular importance with immediate/early functional loading of single implants placed in poor-quality bone. The selection of an implant that will provide adequate stability in bone of poor quality is important. A tapered-screw implant design will provide adequate stability because it creates pressure on cortical bone in areas of reduced bone quality. Building on the success of traditional tapered implant therapy, newer tapered implant designs should aim to maximize the clinical outcome by implementing new technologies with adapted clinical workflows.

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Section: Implant Shapementioning

confidence: 98%

Tapered Implants in Dentistry

Wilson¹,

Miller

Trushkowsky

et al. 2016

Adv Dent Res.

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show abstract

“…Dental implant placement is an effective treatment method for the replacement of lost teeth with high survival rates after long-term follow-up [1–3]. However, the long-term success and stability of implants in function are directly correlated with the quality and quantity of the available bone at the prospective implant site [4, 5].…”

Section: Introductionmentioning

confidence: 99%

Clinical outcome of alveolar ridge augmentation with individualized CAD-CAM-produced titanium mesh

et al. 2017

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BackgroundThe 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.MethodsIn 17 patients, 21 different regions were augmented with an individualized CAD-CAM-produced TM (Yxoss CBR®, Filderstadt, Germany). For the augmentation, a mixture of autologous bone and deproteinized bovine bone mineral (DBBM) or autologous bone alone was used. Reentry with explantation of the TM and simultaneous implantation of 44 implants were performed after 6 months. Preoperative and 6-month postoperative cone beam computed tomographies (CBCT) were performed to measure the gained bone height.ResultsThe success rate for the bone grafting procedure was 100%. Thirty-three percent of cases presented an exposure of the TM during the healing period. However, premature removal of these exposed meshes was not necessary. Exposure rate in augmentations performed with mid-crestal incisions was higher than in augmentations performed with a modified poncho incision (45.5 vs. 20%, p = 0.221). In addition, exposure rates in the maxilla were significantly higher than in the mandible (66.7 vs. 8.3%, p = 0.009). Gender, smoking, periodontal disease, gingiva type, used augmentation material, and used membrane had no significant influence on the exposure rate (p > 0.05). The mean vertical augmentation was 6.5 ± 1.7 mm, and the mean horizontal augmentation was 5.5 ± 1.9 mm. Implant survival rate after a mean follow-up of 12 ± 6 months after reentry was 100%.ConclusionWithin the limits of the retrospective character of this study, this study shows for the first time that individualized CAD-CAM TM provide a sufficient and safe augmentation technique, especially for vertical and combined defects. However, the soft tissue handling for sufficient mesh covering remains one of the most critical steps using this technique.

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“…The clinical and radiological outcomes of sinus augmentation procedures have been published in several studies [1, 3, 6, 7]. However, little data on the physical and psychological impact of this procedure on the patient is available yet.…”

Section: Discussionmentioning

confidence: 99%

“…Rehabilitation of completely and partial edentulous patients with dental implants has proved to be a safe and predictable procedure [1–3]. However, reduced bone height and the proximity of the maxillary sinus are challenging limitations for dental implant placement in the posterior maxilla [3].…”

Section: Introductionmentioning

confidence: 99%

“…However, reduced bone height and the proximity of the maxillary sinus are challenging limitations for dental implant placement in the posterior maxilla [3]. Besides the use of short and tilted implants [4], one of the most frequently used surgical techniques for gaining adequate bone height in the posterior maxilla is external or internal maxillary sinus floor elevation.…”

Section: Introductionmentioning

confidence: 99%

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Impact of maxillary sinus augmentation on oral health-related quality of life

et al. 2017

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BackgroundThe aim of this study was to measure the oral health-related quality of life (OHRQoL) after maxillary sinus augmentation to determine the physical and psychological impact of this procedure for the patient.MethodsThree hundred sixteen patients treated with an external or internal maxillary sinus augmentation and a total of 863 implants in the Department of Oral and Maxillofacial Surgery, Johannes Gutenberg University, Mainz, Germany, between July 2002 and December 2007 were included in this retrospective study. Total implant survival was assessed. Completion of a modified 26-item version of the Oral Health Impact Profile (OHIP-G) for assessing the oral health-related quality of life before and after the treatment was asked for. Subcategories were (1) functional limitations, (2) physical and psychological disabilities, and (3) complaints due to the surgical procedure. In 53 patients available for clinical follow-up examination, assessment of soft tissue parameters was performed.ResultsAfter an average time in situ of 41.2 ± 27 months (3.4 years), the in situ rate was 95.4%. One-year survival rate and five-year survival rate according to Kaplan Meier were 95.4 and 94.4%. Concerning functional limitations, significant better values for OHRQoL after sinus augmentation procedure than before the treatment (p < 0.001) were seen. In the subcategory physical and psychological disabilities, all questions had significant better values after the sinus lift (p < 0.001). Concerning complaints due to the surgical procedure, mean total scores were 5.1 ± 5.4 pre-operative, 6.9 ± 6.1 (0–31) post-operative, and 2.4 ± 3.7 recently. This meant a significant difference between “pre-operative” vs. “post-operative” (p = 0.003), “pre-operative” vs. “recently” (p < 0.001), and “post-operative” vs. “recently” (p < 0.001). Concerning the influence of implant indication, edentulous patients showed the most distinct improvement after the procedure. Clinical assessment showed stable soft tissue parameters.ConclusionsEvaluation of OHRQoL after sinus augmentation showed a significant improvement indicating a remarkable benefit for the patients through this procedure.

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Clinical and Radiological Long‐Term Outcome of a Tapered Implant System with Special Emphasis on the Influence of Augmentation Procedures

Abstract: Within the limits of the retrospective character of this study, the tapered soft tissue level implant showed especially in maxillary sinus augmentation promising long-term survival and success rates and a low peri-implant bone resorption compared with the literature.

Cited by 23 publications

References 47 publications

Tapered Implants in Dentistry

Tapered Implants in Dentistry

Clinical outcome of alveolar ridge augmentation with individualized CAD-CAM-produced titanium mesh

Impact of maxillary sinus augmentation on oral health-related quality of life

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