Final answer:
A dental hygiene record that documents both the presence of deposits and mobility readings for affected teeth fulfills the obligation of diagnosing dental conditions.
Step-by-step explanation:
A dental hygiene record that documents both the presence of deposits and mobility readings for affected teeth fulfills the dental hygiene obligation of diagnosing dental conditions. This record helps dental hygienists assess the oral health of their patients and identify any existing dental conditions that may require further examination or treatment.