<prompt> Which of the following conditions does not require any treatment unless it becomes symptomaticSubacute pulpitisChronic pulpitisPulp fibrosisApical cyst  <response>: Pulp fibrosis is a result of senile changes or low grade trauma to the tooth and is usually asymptomatic.it is more evident in the radicular portion of the pulp than elsewhere.grossman..12th ed pg 34 