Case atlas — every figure of every case the hour shows
16 published cases · 119 figures, in the order the authors published them.
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Bär 2024
Displacement of maxillary dental implants: a case series on various scenariosBMC Oral Health 2024doi:10.1186/s12903-024-05022-x
Bär et al. 2024. Reproduced under CC BY 4.0.
Figure 1Case 1 - Implant displacement into maxillary sinus and immediate removal under local anaesthesia. a Baseline Panoramic radiograph showing limited vertical residual bone in the right upper second molar area. b Postoperative radiograph taken after completion of osteotome sinus floor elevation and implant insertion. c Panoramic radiograph taken immediately before removal procedure: shows implant migration into the right maxillary sinus following second-stage surgery four months later, along with mucosal thickening indicative of maxillary sinusitis. d Intraoperative endoscopic view of the displaced dental implant though the upper maxilla after creating a bony window and e Endoscopic-assisted removal of the implant using Blakesley forcepsFigure 2Case 2 - Implant displacement into Nasal Cavity and removal attempt under general anaesthesia the following day. a-c Cone-beam computed tomography (CBCT) taken immediately after displacement revealed the implant on the floor of the nasal cavity, left to the nasal septum. The scan also indicated discrete bilateral mucosal thickening, suggestive of chronic sinusitis. a axial view, (b) coronal view (arrow indicates the bony destruction), (c) volume rendering. d Anterior Rhinoscopy showing protrusion of the posterior nasal floor with slight obstruction of the lower nasal meatus. Lower raw: Postoperative Imaging for Detection of the Migrated Implant: e CT of the paranasal sinuses (PNS): The topogram displays the four osseointegrated implants but does not show the migrated one. f CT PNS coronal view: Features partial opacification of the ethmoidal cells bilaterally. There is wide, concentric mucosal swelling in the left maxillary sinus, along with broad mucosal swelling at the medial wall of the right maxillary sinus and in the septated right portion of the sphenoidal sinus. g Chest X-Ray: Shows no evidence of foreign body aspirationFigure 3Case 3 – Implant displacement into the maxillary sinus and removal attempt 72 hours later under general anaesthesia imaging of implant surgery. a Baseline CBCT of the Maxilla: The CBCT for Case 3 illustrates progressive pneumatization of the maxillary sinuses and advanced alveolar ridge atrophy (Cawood and Howell VI) on both sides. The lower images detail the residual alveolar ridge height of less than 1.5 mm in the left maxillary second molar region. b Postoperative Panoramic radiograph taken after completion of sinus floor elevation on both sides with bone grafting and simultaneous insertion of dental implants in the maxilla and mandible. The radiograph shows bilateral lifting of the sinus membrane and a residual bone height of less than 1.5 mm, with poor initial stability in the left maxillary second molar region. c CBCT taken immediately after Implant Displacement into the Maxillary Sinus during Second-stage surgery five months later: The CBCT scan indicated the presence of the implant from the left upper second molar region within the left maxillary sinus, proximal to the wide ostium. Additionally, the scan showed bilateral mucosal thickening, indicative of chronic sinusitisFigure 4Case 3 – postoperative imaging for detection of the migrated implant. a Intraoperative C-arm X-ray. b Postoperative Abdominal X-ray: Revealed the displaced implant in the ascending colon, suggesting spontaneous expulsion and ingestion. c Postoperative Panoramic radiograph: Displays the osseointegrated implants and the bony defect in the left upper second molar region
