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.
You CANNOT simply add a comma between the two sentences, or youâll end up with whatâs called a âcomma splice.â Hereâs an example of a comma splice: You can fix a comma splice the same way you fix a run-onâeither change the punctuation or add a conjunction.