2022
DOI: 10.1186/s12903-022-02513-7
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Reconstruction of vertical alveolar ridge deficiencies utilizing a high-density polytetrafluoroethylene membrane /clinical impact of flap dehiscence on treatment outcomes: case series/

Abstract: Objectives The aim of this study was to evaluate the effects of membrane exposure during vertical ridge augmentation (VRA) utilizing guided bone regeneration with a dense polytetrafluoroethylene (d-PTFE) membrane and a tent-pole space maintaining approach by registering radiographic volumetric, linear and morphological changes. Methods In 8 cases alveolar ridge defects were accessed utilizing a split-thickness flap design. Following flap elevation … Show more

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Cited by 2 publications
(3 citation statements)
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“…By elevating a split-thickness flap on the buccal aspect, horizonto-vertical hard tissue augmentation occurred. In addition, due to the rigidness of the membrane, no tenting screws were necessary to support the barrier from below [7]. Volumetric hard tissue gain was found to be similar to results acquired with PTFE membranes [7,23] or titanium meshes [6].…”
Section: Discussionsupporting
confidence: 59%
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“…By elevating a split-thickness flap on the buccal aspect, horizonto-vertical hard tissue augmentation occurred. In addition, due to the rigidness of the membrane, no tenting screws were necessary to support the barrier from below [7]. Volumetric hard tissue gain was found to be similar to results acquired with PTFE membranes [7,23] or titanium meshes [6].…”
Section: Discussionsupporting
confidence: 59%
“…Following segmentation, the pre-and post-operative CBCT scans were spatially registered using an automatic voxel intensity-based registration method (3D Slicer, elastix extension) [29]. To visualize and calculate the hard tissue gain, the preoperative 3D models were subtracted from the postoperative 3D models [7,30], and the volumetric differences were calculated and expressed in cubic centimeters (cm 3 ). In addition, horizontal and vertical linear hard tissue changes were recorded at the deepest point of the defect.…”
Section: D Radiographic Evaluationmentioning
confidence: 99%
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