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To be or not to be switch9/18/2023 ![]() Nine hundred forty pharmacy employees participated in the survey. The highest consent scores were obtained for second-generation antihistamines for treatment of hay fever such as desloratadine, fexofenadine and levocetirizine. ![]() Besides some basic parameters, the questionnaire included a list of proposals for new switch candidates, a vote on the general support as well as economic and health professional expectations regarding further switches. The survey was distributed via the online survey tool of the pharmaceutical journal “Deutsche Apotheker Zeitung” within the period from 20 September to 8 October 2017. The aim was to identify potential switch candidates and indications in addition to a basic assessment of new switches in Germany. ![]() One with a healing abutment – creating flat-to-flat interface One with a standard abutment – creating platform switch interfaceĨ Material and methods 2×2 mm biopsy of soft tissue was acquired 3 months after implant placement for histological evaluation (at the time of crown/fixed partial denture fixation) Immersed in sodium-cacodylate solution and subsequently analyzedġ0 Material and methods Radiographic assessment of marginal bone levelĪt the time of implant placement At 3 months recall (time of crown fixation) All patients were recalled monthly during osseointegration process ISQ measurements at the time of surgery and 3 months postoperativelyġ2 Results Inflammatory cell inflitrate Thickness of the epitheliumĬross-sections of fixated samples Inflammatory cell inflitrate Thickness of the epithelium Thickness of the connective tissueġ3 Platform switch No substantial number of inflammatory cellsĮpithelial thickness Well-defined “rete pegs” Connective tissue layerġ4 Flat-to-flat No substantial inflammatory cell infiltrateĮpithelial thickness Connective tissue layerġ6 ISQ measurements Platform-switch (± SD) Flat-to-flat pĪt implant placement 72.5 ± 6.3 71.8 ± 5.9 NS At 1 month 77.3 ± 4.2 77.1 ± 3.8 At 3 months 81.8 ± 5.5 80 ± 4.The consent of community pharmacists is an important factor for the successful implementation of Rx-to-OTC switches but is not part of the official reclassification procedure in Germany. Presentation on theme: "Platform switch – to be or not to be?"- Presentation transcript:Īndrija Petar Bošnjak School of Dental Medicine, Zagreb, Croatia Andrej Meniga Private practice, Zagreb, Croatia Ann Wennerberg, Victoria Fröjd School of Dentistry, Göteborg, SwedenĢ Background Bone resorption to the first thread during initial loadingīiologic width around implants (Berglundh & Lindhe 1996) No resorption when an abutment with a narrower diamater is connected to the implant (Gardner 2005) – so called platform-switchingĤ Objective Evaluation of the difference in histological findings between a platform-switching implant-to-abutment interface using a tight seal and a flat-to-flat interface Differences in ISQ values during 3 months for implants with transmucosal healing (one-stage procedure)Ħ Material and methods 26 consecutive patients treated with 43 Ospol study implants 4.0 diameter, implant length of 10, 12 and 15 mm supporting single crowns or fixed partial dentures 36 implants (83.7%) – single tooth replacements in lateral parts of mandible (58.8%) and maxilla (41.2%) ![]()
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