Demographic data and AO4 training of dentists and dental hygienists.

Table 1: Demographic data and AO4 training of dentists and dental hygienists.

Dentists			Dental hygienists
Characteristic
Gender	N	%	Gender	N	%
Male	39	79.6	Male	1	2.9
Female	10	23.4	Female	34	97.1
Degree level	N	%	Degree level^a	N	%
DDS or DMD	44	89.8	RDH or LDH	12	34.3
DDS or DMD + MS	5	10.2	RDH or LDH + BS	15	42.9
DDS or DMD + PhD	-	-	RDH or LDH + MS	7	20
Periodontist	2	4.1	RDH or LDH + PhD	2	5.7
Orthodontist	3	6.1	RDH or LDH + Advanced (ex = ADT)	1	2.9
Aesthetic dentist	1	2	Endorsement or permit
Pediatric dentist	1	2	Restorative	7	20
Oral surgeon	1	2	Limited access (LAP)	9	25.7
Medical degree	1	2	Nitrous oxide sedation	31	88.6
Oral sedation license	11	22.4	Anesthesia	32	91.4
Other-unspecified	7	14.3
Total	49	100	Total	35	100
Age range (year)	Dentists		Dental hygienists
Characteristic	N	%	N	%
18-30	1	2.0	2	5.7
31-40	7	14.3	4	11.4
41-50	14	28.6	7	20.0
51-60	11	22.4	8	22.9
61-70	11	22.4	11	31.4
71 +	5	10.2	3	8.6
AO4 Training^b	N	%	N	%
Received AO4 training	13	26	1	2.9
Did not receive AO4 training	37	74	34	97.1
Years of practice	N	%	N	%
1-5	3	6.1	2	5.7
6-10	6	12.2	2	5.7
11-15	4	8.2	2	5.7
16-20	9	18.4	5	14.3
21-30	10	20.4	9	25.7
31 +	17	34.7	15	42.9
Field of practice	N	%	N	%
General/family dentistry	37	75.5	19	54.3
Periodontics	2	4.1	2	5.7
Oral surgery	2	4.1	1	2.9
Pediatrics	1	2	1	2.9
Other-unspecified	7	14.3	12	34.3
Total	49	100	35	100

^aIndividuals could select more than one response; ^bFor those who received AO4 training, 13 participants received their training in the form of continuing education; 6 participants (46.2%) received instruction through a speaker forum with class interaction; 7 participants (38.5%) received instruction through a hands-on course over a period of days/more than one day.