A tooth abscess differs from a gum abscess by the source of the original infection. The tooth abscess (or periapical abscess) originates from the pulp of the tooth and exits out the tooth's apex at the bottom of the root. A gum abscess (or periodontal abscess) starts in a gum pocket outside of the tooth next to the root.
Click here to see a 239-word sentence that is a perfectly fine sentence (structurally). When two independent clauses are connected by only a comma, they constitute a run-on sentence that is called a comma-splice. The example just above (about the sunscreen) is a comma-splice.
Comma Splices. Comma splices are similar to run-on sentences because they also incorrectly connect independent clauses. A comma splice occurs when two independent clauses are connected with only a comma. As with a run-on sentence, there are a few different ways to correct a comma splice.Consider the following sentence and the revised versions that follow it. comma splice occurs when two independent clauses are connected with only a comma. As with a run-on sentence, there are a few different ways to correct a comma splice. Consider the following sentence and the revised versions that follow it.