Glenn Dental Clinic provides general dental care to residents of Philadelphia on

Question

Glenn Dental Clinic provides general dental care to residents of Philadelphia on a walk-in basis. The clinic has started receiving complaints from patients that the waiting time is too long and has asked you to investigate whether this problem can be solved. Upon arrival, customers first receive a series of paperwork from the receptionist and fill out relevant information such as personal health records and insurance provider. The form is then handed back to a receptionist who enters the information into the computer system for the dentist to see. A dental assistant then takes an X-ray from the patient. A dentist then performs the check-up and discusses any issues with the patient. Based on conversations with staff members at the clinic, you have obtained the following information on the process 1. It takes about 5 minutes for a customer to fill out the paperwork. 2. Entry of information on the paperwork into the system and verification with past records takes another 5 minutes for a receptionist. There are two receptionists. 3. It takes 15 minutes on average for the dental assistant to take anX-ray. There are three dental assistants on shift at any moment. 4. There are ten dentists working at the clinic. Each check-up takes 30 minutes on average The following table summarizes the process data collected above. Staffing (Numbers of Workers) Activity Time (Minutes per Patient) Resourse Process Paperwork Data Entry Self-Service Receptionists Dental Assistant Dentist 2 Checkup 10 30 Self- Serve Dental Assistant Receptionist Dentist The flow diagram is shown above Answer is complete but not entirely correct. patients per hour a. What is the capacity (patients/hour) at the resource "Dentist"? Dental Assistant b. What is the bottleneck in the process? c. Assuming unlimited demand, what would be the flow rate? d. Assuming unlimited demand, what would be the utilization at resource "Receptionists"? e. Assume the process started empty. How long would it take to serve 20 patients? 12patients per 50percent 167 minutes hour

Explanation / Answer

e. Computation of time to serve 20 patients = (20 X Paperwork time) + Data entry time + X ray time + Checkup time

= (20 X 5) + 5 + 15 + 30

= 150 minutes

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