Use the Following Case Description to Complete the Following Exercises

question 35

Multiple Choice

Use the following case description to complete the following exercises.
Mr.JTM, a 70-year-old man with a complex medical history and moderate-to-advanced periodontitis and extensive restorative dental treatment, reports to the dental hygienist for his annual dental checkup.During the clinical assessment, the dental hygienist notices moderate plaque biofilm accumulation.The patient reports that a few teeth are sensitive and that he has a "dry mouth." The patient is less than enthusiastic about discussing his daily home care protocol and wants to know how long the appointment will take.
-The most likely cause of Mr.JTM's dry mouth is:

• A) Malocclusion
• B) Periodontal disease
• C) Systemic medical condition
• D) Extensive restorative treatment

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Definitions:

Metamorphosed

Refers to rocks that have undergone a change in mineral composition and texture due to exposure to high temperature and pressure conditions.

Shale

A fine-grained sedimentary rock composed of mud that splits easily into layers, often used in the production of oil and natural gas.

Sandstone

A sedimentary rock consisting of sand-sized minerals or rock grains, compacted and often cemented together over time.

Limestone

A sedimentary rock composed primarily of calcium carbonate, often formed from marine organisms' shells and skeletons.