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BTLock fixture’s shape has 3 features:
- Cilindrical body and periodontal neck
- Conical apex
- Thread with different depths
The periodontal neck, which is 0.22 mm. larger than the implant diameter, improves the marginal closure and increases the primary stability. It is machine-cut, 1.6mm. in height, and it does not interfere with the osteointegration process, or with the soft tissue’s health. It respects the biological volume and allows the patient to maintain good implant hygiene. The periodontal neck is available in two options:
- machine-cut (BT-Tite Standard / BT-Tite One / Ha Coated Lines)
- with micro-grooves (BT-Tite CV2 Line)
The crestal micro-grooves of the BT-Tite CV2 Line are a continuation of the deep thread on the fixture body. The micro-grooves, which are subjected to a double-etching treatment, allow a wider osteo-integrating surface and improve osteo-integration itself. Only the final part of the collar (0.3 mm) is machine-cut, in order not to interfere with the closure between fixture and abutment.
The conical apex better reproduces the natural tooth shape in post-extractive sites.
The thread is available in two options:
- Standard (BT-Tite Standard / HA Coated Lines)
- One (BT-Tite One / BT-Tite CV2 Lines)
Thread "One" (deep downwarded) is recommended in case of post-extractive sites and for immediate-loading. This kind of thread is meant to optimize the distribution of the intrusive, compressive, and divergent chewing forces, which are the most damaging for the bone.
The thread depth in the apical region improves the implant stability even where the bone is less thick. Both threads are self-tapping. The thread forming is indicated only in case of bone type I.
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