• How to use Ideal + Regeneration membrane ⇒ i-Gen membrane 1. Place an implant into the recipient site. 2. Connect i-Gen screws to the implant and bone grafting. Usually 1 mm cuff height is good enough for vertical space, but 2 or 3 mm cuff height of i-Gen Screw can be chosen according to the situation. The amount of graft material should be enough to fill the space between i-Gen membrane and the fixture.
3. Selection of i-Gen membrane and placement. According to the size and shape of bone defect, an i-Gen membrane can be chosen from 9 different shapes. Match the hole of i-Gen membrane with the screw hole of i-Gen screws.
4. Fixate i-Gen membrane with an i-Gen Screw. Choose an i-Gen Cover Screw or Flat Healing Abutment to fix i-Gen membrane depending on the need for one or two-stage surgery. Tight adaptation of soft tissue flap is recommended. (Proper soft tissue management is the key to successful regeneration! If the i-Gen membrane is denuded following wound dehiscence, it is advisable to remove it immediately)
• Which i-Gen? i-Gen membrane has 9 different sizes and shapes. As seen on the figure left, alveolar bone has different widths according to locations.
It can be divided into three categories; Anterior (Sky blue dots), Premolar (Blue dots), and Molar (Dark blue dots). For anteriors, ‘narrow’ membranes can be used, which has 4.5mm buccal horizontal extension from the center of the fixture. For Premolars, ‘Regular’ membranes which have 5.5mm buccal extension, can be selected. The molar area usually needs a wide membrane (6.5mm from fixture center), especially at the immediate placement case with wall defects.
Type A and B membranes are only to cover single wall defects. Type C has a lingual extension to cover the lingual wall defects.
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