Abstract
A clinicostatistical survey was made on subperiosteal implants in 27 cases with intravenous sedation during the past 1 year and 5 months period at the Clinical Implant Society of Japan.
Age distribution was;sixties 40.7%, seventies 18.5% and totaly cases over sixties 59%.
Subperiosteal implant division was;partial maxillary first stage 23.3%, full maxillary first stage 20.0%, full mandibular first stage 20.0% and partial mandibular first stage 13.3%. Maxillary cases were more encountered than mandibular cases for first stage.
Operation time was;1-2 hours 51.9%,2-3 hours 37.0% and over 3 hours 3.7%.
Pre-operative complication was;circulatory diseases 27.3%, hepatic diseases 27.7%.
Intravenous sedation was treated with;single administration of flunitrazepam 51.9% over 30 minutes followed by flunitrazepam with methohexital 25.9%.
Regional anesthesia performed with;2% lidocaine plus epinephrine 83.3% and 3% prilocaine plus felypressin 16.7%.
Interoperative complications, included very few cases of nausea, headache, increased blood pressure and oral pain.
