The influence of different implant placement positions and implant superstructure designs on the aesthetic outcome

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  • Ueda Kazuhiko
    Department of Crown & Bridge Prosthodontics, The Nippon Dental University School of Life Dentistry at Niigata
  • Watanabe Fumihiko
    Department of Crown & Bridge Prosthodontics, The Nippon Dental University School of Life Dentistry at Niigata

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Other Title
  • インプラント埋入位置と上部構造固定様式の違いが審美性に及ぼす影響
  • インプラント埋入位置と上部構造固定様式の違いが審美性に及ぼす影響 : 上顎前歯部インプラント治療について
  • インプラントマイニュウイチ ト ジョウブ コウゾウ コテイ ヨウシキ ノ チガイ ガ シンビセイ ニ オヨボス エイキョウ : ジョウガク ゼンシブ インプラント チリョウ ニ ツイテ
  • – Regarding upper front teeth –
  • ─上顎前歯部インプラント治療について─

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<p>In aesthetic recovery by the implant treatment, not only conditions of soft and hard tissue but also three elements of implant placement angulation, position, depth are important factors for the operator. These things have been reported by many clinicians. Additionally, in today, all ceramics for restoration materials are widely applied for implant superstructures in clinically. In the aesthetic dental treatment, the light is one of the influencing factors for receiving good aesthetic results. This holds true for dentistry not only the implant treatments. Further on, the outer form and the colour itself are the important factors. Also, the light translucency is one of the important factors for the aesthetic dental restorative material’s property.</p><p>Particularly, zirconia having high mechanical strength, excellent aesthetic properties, biocompatibility and excellent opaque material with an excellent masking potential is increasingly demanded as CAD/CAM technology improves. Furthermore, to achieve close-to nature dental restorations, tooth-coloured materials show significant advantages. Compared to porcelain fused metal crowns, porcelain fused zirconia all ceramic crowns perform better in terms of matching the appearance of natural teeth.</p><p>The screw-retained and the cement-retained are adopted for the fixed implant superstructure. In the cement-retained, we can collect two kinds abutments, metal abutments and ceramic abutments out of zirconia. In the systematic review, about abutment survival, there was no statistically difference between metal abutments and zirconia abutments. Although both fixing types have advantages and disadvantages. In the restoration of the maxillary anterior tooth region, the implant placement position and angulation also vary with the difference in the fixing type. The implant placement position and angulation also affect the form of the emergence profile of the superstructure. From these results, difference of the superstructure fixing type will affect the aesthetic results.</p>

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