Table 1.

Sampling and methods summary:

Phase 1: Screening questionnaire – All GDPs to identify:
Personally provide implant treatment		Refer on				Never offer
		Refer within primary care		Refer to Secondary
Phase 2: Interviews with GDPs about practice
Personally provide implant treatment		Refer within primary care		Refer to Secondary
To provide retrospective and prospective sample for Phase3
Phase 3: Interviews with patients retrospectively and prospectively
Offered treatment by another GDP		Offered treatment by own GDP		Referred to secondary care
Accept Implants	Refuse Implants	Accept Implants	Refuse Implants	Accept Implants	Refuse Implants