Table 1.

Objectives of DIR along with CVR and midpoint values.

Objectives		CVR	Accepted or deleted	Mid-point
Observational	Report the treatment's side effects	1	√	4.81
	Track the positive or negative process of dental implant treatment	0.66	√	4.22
	Follow the treatment's results based on different brands	0.66	√	4.29
	Monitor the survival/success of implants	0.83	√	4.55
	Comparison of the survival/success rates of implants	0.83	√	4.29
Managerial	Recognize the types of complications and risks after dental implant treatment	0.66	√	4.18
	Evaluate biological and mechanical complications	0.66	√	4.03
	Prevention and reduction of implant complications and complaints	0.66	√	4.22
	24-Hour access to patient information and records, 7 days a week	0.66	√	4.11
	Radiographic documentation	0.83	√	4.44
	Improve communication between patients and therapists	0.16	∗	—
	Improve patient satisfaction	0.5	∗	—
Research	Epidemiological research	0.66	∗	4.29
	Provide information for research	0.83	√	4.4
	Participate in multicenter studies	0.83	√	4.37
	Provide action-based evidence	1	√	4.48
	Predict implant failure	0.33	√	—
	Assist in the development of national guidelines	0.5	∗	—
Clinical	Evaluation of clinical advantages of different types of dental implant systems	0.66	∗	4.29
	Clinical evaluation of dental implant systems	0.83	√	4.4
	Investigate the effect of age, sex, and place of implant treatment on implant failure	0.83	√	4.37
	Follow-up and monitoring of diseases affecting the outcome of treatment	1	√	4.66
	Comparison of different treatments or methods in implant treatment	0.66	√	4.37
	Regular follow-up and monitoring of patients	0.83	√	4.62
Epidemiological	Prevalence and complications of dental implants	0.66	√	4.29
	Evaluation of risk factors in peri-implantitis	0.83	√	4.4

√: acceptance of objective; ^∗: rejection of objective; —: not earning CVR points and elimination of objective.