Electronic Tables of Contents (eTOCs): Individual table of contents alerts with full-text links can be delivered to you from specific journals or from multiple journals through PubMed (and other databases).
Wilson Dental Library Current Evidence service sends you the latest table of contents from your preferred journals.
PubMed's MyNCBI: PubMed personal account. You can specify that PubMed run previously saved searches. MyNCBI will deliver new articles from your searches to your email or an RSS reader.
Ovid Personal Account: Similar to PubMed's MyNCBI, but for the Ovid databases.