Premolars can be considered as a separate entity in the category of root canal treated teeth that will receive a full-coverage restoration. Their unique morphology and their susceptibility to high occlusal load, as well as contemporary preparation guidelines that advocate a wide shoulder finish line design will necessitate the placement of a post in the majority of premolars. Although some of the remaining thin walls will be eliminated during preparation, their removal is not recommended prior to the buildup procedure. Any remaining wall structure can provide additional ferrule and serve as an anti-rotation mechanism.
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Biologically-oriented alveolar ridge preservation to correct bone dehiscence at immediate implant placement.
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Methods: The technique is based on the stratification of three layers: a deep layer with a collagen sponge (CS) in the apical part of the alveolus (where the buccal bone plate was still present) to support the blood clot; a graft layer to correct the PIBD; and a superficial collagen layer to cover the graft thus providing space and enhancing clot/graft stability. Healing was obtained by primary closure.
Deproteinized Bovine Bone Mineral With Collagen for Anterior Maxillary Ridge Augmentation: A Retrospective Cohort Study.
Clin Implant Dent Relat Res
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Department of Implantology, The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Hangzhou, China.
Objectives: This study aimed to assess the effects of deproteinized bovine bone mineral with collagen (DBBMC) combined with deproteinized bovine bone mineral (DBBM) on facial alveolar bone augmentation in the anterior maxillary region.
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J Prosthet Dent
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Full Professor, Department of Restorative Dentistry, University of Washington, Seattle, Wash.
Statement Of Problem: The impact of free gingival graft (FGG) dimensions on the postsurgical shrinkage of keratinized tissue width (KTW) and surface area in posterior implant sites is unclear. Standardized assessments of how graft dimensions influence KTW and surface area shrinkage rates over a 6-month period after FGG are lacking.
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Section of Plastic and Reconstructive Surgery, Department of Surgery, University of Michigan Health Systems, Ann Arbor, MI, USA.
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Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine.
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