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Bone graft ring

 A sufficient amount of bone implant restoration functions and exercise to maintain good long-term esthetic results guarantee.teeth whitening system, According to statistics, about 40% of clinical to 60% of patients with dental implants enough bone graft is required during implant. For these patients, various bone reconstruction method is widely used in clinical practice, including guided bone regeneration, onlay bone grafting, sinus floor augmentation, bone split, distraction osteogenesis techniques. These grafting techniques has greatly expanded the indications for implants to improve the effectiveness of the implant. 

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Contains insufficient vertical bone height, including three-dimensional planting beds in the clinical treatment of bone insufficiency often difficult to handle, more than ever using early autologous bone graft, two re-implant approach.Micro Motor, However, due to autogenous bone graft absorb unexpected repair often affect the final results.Application guided bone regeneration techniques for vertical bone augmentation have been many success stories, and more need to use a certain strength of non-absorbable membrane on the surgeon's operating skills are higher, and there is a big film exposure. 


  This paper describes a ring with autologous bone graft, Dental Implants, Implants Zhousan Wei inadequate bone reconstruction methods for the clinical treatment of such cases provide a new way of thinking. 


Case one 


    Mr. patients, aged 45, came more than a month a tooth extraction, requiring implants. Clinical examination, bilateral upper central incisors missing, gum has almost healed (Figure 1a-1b). Flap surgery right after the show a lack of alveolar bone height, bone drill with annular measurement of bone defects after the lower edge of the right to take piriform aperture ring bone, the bone ring with implant fixed by planting beds, implants hydroxy apatite bone meal, cover collagen membrane, after mucoperiosteal flap suture lysis. 


 Patients Lee, aged 38, came six years after replantation dental trauma, loose teeth three more than a month. Clinical examination right upper crown dark color, loose.X-ray showed the outer root absorption, to reduce the density of local alveolar bone (Figure 2a). Intraoperative removal of teeth, removal of granulation tissue after the show insufficient alveolar bone height. On the right retromolar bone grafts taken the ring with a ring fixed to the bone implant bone defect, bone hydroxyapatite implant, cover collagen membrane, suture wounds (Figure 2b-2e). 6 months after completion of two repair (Figure 2f). Fix one year after X-ray showed stable bone levels, no significant bone resorption. 




    Bone graft can restore ring three-dimensional planting enough bone while implants over the same period,Micro Motors, while the amount of the base to ensure sufficient residual bone implant primary stability is a prerequisite for the implementation of this technology. To ensure the success of this technology, the need to pay attention to the following aspects: ① incision designed to benefit fully reveal the defect area and wound closure; ② bone block to coincide with the subject planting beds, you can measure the size of the bone defect with the corresponding diameter ring bone drill to get; ③ area planted for precise cavity preparation; ④ implant in the correct axial position and depth of the implant; ⑤ good initial implant stability; ⑥ have good bone after implantation the stability of the implant and the need to rely on this film nails and other auxiliary tools to obtain; ⑦ reasonable application of guided bone regeneration techniques; ⑧ soft tissue tension tight suture; ⑨ after planting bed is not affected by pressure.

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