Abstract
The vertical bone increase of alveolar rim is important to obtain good results in rehabilitation with prostheses on implants. This Literature Review sought articles that treat bone increases of alveolar edges using Cytoplast® membranes, seeking to evaluate the resistance to bacterial penetration and capacity to create and maintain space. For this, a literature review was made on the Pubmed and Google scholar search platforms. The researches analyzed found similar results between d-PTFE membrane, titanium meshes and e-PTFE membranes, both in bone gain and bone quality. The space maintenance capacity was evident in the articles in which the titanium reinforced membrane was used. The d-PTFE membrane presented a greater capacity of exposure to the oral environment without compromising the graft material. The authors researched in this study found that titanium-reinforced d-PTFE membranes for bone augamble alveolar rim increases are viable and allow a certain period of exposure to the oral environment without graft contamination. Further studies are needed with the Cytoplast® d-PTFE membrane to explore its characteristics with vertical bone augmentation procedures.
Highlights
Implantodontics revolutionized dentistry, enabling the restoration of the absence of the dental organ, artificially
The Implantodontist, when planning rehabilitation with implants, is faced with little height or width of the remaining alveolar rim, making it impossible to optimally position the implants according to the retrograde planning performed and to continue the planning can use the guided bone regeneration technique (ROG) to obtain a bone increase in the region that will receive the implants
Barber et al (2007), did not intentionally obtain the primary closure of the wound, which was described by WANG et al in 2006 as a principle of PASS, claiming to be unnecessary due to the density of the d-PTFE membrane preventing contamination of the biomaterial below the membrane and kept for 6 weeks the membrane exposed to the oral environment with hygiene monitoring and concluded that the primary closure of the wound is unnecessary in his discussion he commented that he and his team did not have enough experience to comment on the effectiveness of keeping the membrane exposed for more than 6 weeks
Summary
Implantodontics revolutionized dentistry, enabling the restoration of the absence of the dental organ, artificially. Researchers described the 5 characteristics of a membrane for vertical Guided Bone Regeneration: “(i) Biocompatibility; (ii) Creation and maintenance of space; (iii) Occlusivity and selective permeability; (iv) Tissue integration; (v) Clinical management capability.”. Lee et al (2020) analyzed the effects of L-PRF as a membrane on horizontal ROG in alveoli raised in dogs, after 4 weeks compared the results of L-PRF with other absorbable and nonabsorbable membranes. After another 4 weeks of bone healing, the new bone quantity for each group was measured by microscopy and microcomputed tomography, verifying that the L-PRF plays an effective role as a membrane for the lateral increase of the crest
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