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Placement of dental implants in the interforaminal region of the mandible is generally considered a routine, simple, and safe procedure. However, severe bleeding and hematoma in the floor of the mouth have been reported as a rare but potentially fatal complication related to the placement of an implant in this region. The following report describes a case of life-threatening hemorrhage in the floor of the mouth after second-stage surgery to place the healing abutment. The implants were forced to match with the prosthesis in a severely atrophic upper jaw, resulting in a perforation of the lingual cortex and mucosa of the floor of the mouth. Clinicians who place implants should be knowledgeable in the treatment of such a serious complication.

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In current practice, in order to meet the needs or wishes of their patients, dentists, often use various oral implant techniques. The book entitled "Bone Management in Dental Implantology," editors Andi S. Budihardja, and Thomas Mücke, presents to the reader all the necessary information on the bone augmentation in oral implantology. The book is divided into 8 chapters. After presenting the basic principles and requirements for successful bone augmentation, there follow exemplifications on mandible bone grafting, guided bone regeneration, bone splitting, interpositional osteoplasty based on indications, patient preparation, surgical technique and illustration with some significant cases. Maxillary sinus lift, anatomy, indications and counterindications as well as techniques are presented in a consistent chapter. Iliac and vascularized bone grafts are described in two separate chapters covering clinical assessment and planning, surgical approach and special consideration. Bone substituting materials pertaining to dental implantology, autograft and allograft, synthetically derived bone grafting and current perspectives and future directions are detailed and supported by clear iconography. The book has a chapter on the treatment of peri implant infections discussing the diagnosis, the treatment of peri implant mucositis, periimplantitis and their clinical implications. The last chapter is dedicated to laser in oral implantology and presents the advantages and disadvantages, dental laser systems, indications, future developments and laser safety. The book is an updated work on the possibilities of bone regeneration, constituting a guide for oral implantologists, oral maxillofacial surgeons, periodontists and dentists involved in oral surgery.

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Mechanical airway obstruction secondary to retropharyngeal bleeding is rare. In most cases such a complication is described after head and neck trauma. Complicating factors include anticoagulant therapy, tumour, aneurysm, infection or major cervical spine injury. A precise initial diagnosis is necessary to avoid a life-threatening situation. Lateral X-ray and computed tomography is essential for safe management.Treatment depends upon size of the haematoma as well as the clinical course of the patient. Smaller haematomas may be observed. Lager haematomas and those that fail to reabsorb should undergo drainage.

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