Conclusion: Auricular lobules are best perforated with Nd:YAG laser or semiconductor diode laser and syringe needle after strict sterilization.
Conclusion: We use L as arch length and H as chord length to bend syringe needle that is used to posterior superior alveolar nerve block anesthesia by intraoral injection. The success rate is 98%.
The invention relates to an injector for medical purposes and particularly popularizes an injector which has an injection rod, a syringe and a syringe needle that can be fully self-destructed.
