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Biomedical subjects

A M Lomax

Publications and source records attributed to A M Lomax.

5 recordsLinked to original sources

Assessment of the risk of glove puncture during oral surgery procedures.

PURPOSE: The purpose of this study was to examine the incidence of glove puncture during stages of oral surgery procedures. METHOD: One surgeon was requested to wear one type of sterile operating gloves during the treatment of patients who required an oral surgery procedure under outpatient local anesthesia. Each surgical procedure was divided into three modules, namely, (I) administration of the anesthesia and raising of mucoperiosteal flap, (II) bone removal and delivery of the tooth or root, and, (3) soft tissue repair. A total of 450 gloves worn during these modules were examined for punctures with a water inflation method and 200 unused gloves were tested as controls. RESULTS: The results were analyzed statistically with Fischer's exact test. A total of 12 punctures were recorded, indicating that a glove puncture occurred in 16% of the surgical procedures. Gloves from the left hand (the nonworking hand) in module III showed the highest incidence of punctures. One puncture was observed in the 200 gloves tested as controls. Statistical analysis indicated that glove puncture was significantly more likely to occur in gloves worn on the left (nonworking) hand overall as compared with gloves from the right hand (p = 0.02) and that glove puncture was significantly more likely to occur in gloves worn on the left hand in module III as compared with gloves from other modules (p = 0.01). Additional precautions may therefore be indicated during the soft tissue repair part of oral surgical procedures.

Data Interpretation, Statistical↗

Periodontal ligament injection: alternative solutions.

This study was undertaken to investigate whether plain lidocaine, 3% plain mepivacaine and 3% prilocaine with felypressin were suitable epinephrine-free local anesthetic solutions for use in periodontal ligament anesthesia as alternatives to lidocaine with 1:80,000 epinephrine. Two hundred and seven patients received one of the four test solutions via a periodontal ligament injection and the success rate of anesthesia was confirmed using an electric pulp stimulator. Although neither mepivacaine nor prilocaine were as effective as lidocaine with epinephrine, the success rates of these three solutions were not statistically different. A single periodontal ligament injection of any of the solutions tested resulted in a low incidence of anesthesia. The success rate of lidocaine without epinephrine was consistently poor.

Adolescent↗