Question	Answer Options (If Applicable)
In what country do you practise?
How many years has your centre/office collaborated in CLP treatment?
Please select where your centre/office is integrated:	Hospital environment
	University environment
	Private practice
	University hospital environment
What percentage of the time is an orthodontist present at your multidisciplinary clinic?	0–25% 26–50% 51–75% 76–100%
What percentage of your orthodontist’s practice is devoted to the care of CLP patients?	0–25%; 26–50%; 51–75%; 76–100%.
Please tick the approximate percentage of your patient population in each category: Dentofacial orthopaedics Orthodontic treatment Orthodontic-surgical treatment	0–25% 26–50% 51–75% 76–100%
How often do you perform presurgical orthopaedics on CLP patients in your clinical practice?	Always
	Often
	Sometimes
	Never
In which cleft phenotypes do you perform presurgical orthopaedics?	Cleft lip
	Cleft palate
	Unilateral cleft lip and palate
	Bilateral cleft lip and palate
	Pierre Robin sequence
	Other
In which cleft phenotypes do you perform nasoalveolar moulding?	For patients with unilateral cleft lip and palate For patients with bilateral cleft lip and palate For all complete cleft lip and palate cases Never
What is the usual maxillary expansion protocol that your team uses in CLP patients?	Rapid maxillary expansion Semirapid maxillary expansion Slow maxillary expansion Alt-RAMEC
What appliance do you normally use for maxillary expansion? (Choose up to 3 options)	Removable expansion plate Quad helix Hyrax/Haas W-Arch NiTi expander Spring Jet Other tooth-borne appliance Bonded expansion plate; Tooth-tissue-borne appliance Bone-borne appliance
In CLP cases with a missing maxillary lateral incisor, which treatment approach do you prefer?	Substitute the maxillary canines as the lateral incisor Prosthetic replacement No preference, treatment approach depends on the clinical case Other
After the alveolar graft, how long do you wait until you start moving teeth to the newly grafted area?	1 month 2 months 3 months 4 months 5 months 6 months Other
What alternative treatments do you use instead of secondary bone grafts?	Distraction osteogenesis Tongue flap and secondary bone graft BMP-2 None Other
Do you make other appliances (speech bulbs, etc.) for CLP patients?	Yes No
What percentage of CLP patients have complications during orthodontic or surgical treatment?	0–25%
	26–50%
	51–75%
	76–100%
What is the most frequent complication of presurgical orthopaedics?	Interference with growth Delaying surgery Occlusion of the airway Skin sores from the tape Ulceration under a plate Risk of infection under a plate Feeding problems Other
What is the most frequent complication of orthodontics treatment?	Expansion relapse Ulceration Compromised oral hygiene Phonetic problems Mastication problems Dysphagia Other
How far from your centre/office are the majority of your CLP patients?	0–50 km 51–100 km 101–150 km >150 km
How many appointments do CLP patients have at your centre/office each year?	0–3 4–6 7–12 >12
How do CLP patients typically pay for orthodontic services?	National Health Service Out-of-pocket expenses (self) Insurances National Health Service and self-pay; Insurances and out-of-pocket expenses (self)
Are your patients satisfied with their current level of access to orthodontic services?	Dissatisfied Neutral Satisfied Not sure