Table 3.

Prediction of clinical hours required to provide care at child and tooth level in 6-,12- and 15-year-olds in SL using dental therapists

Care type1	Treatment procedure2	Average time (mins) per procedure/tooth for DTs3	15-year olds (n = 174,724)			12-year olds (n = 169,458)			6-year olds5 (n = 221,743)
			No. of children requiring treatment 4	No. of teeth requiring treatment 4	Estimated time (hours) for DTs	No. of children requiring treatment 4	No. of teeth requiring treatment4	Estimated time (hours) for DTs	No. of children requiring treatment 4	No. of teeth requiring treatment4	Estimated time (hours) for DTs
Oral health promotion and individualised prevention  at child level	Oral examination	8	All children	All teeth	23,297	All children	All teeth	22,594	All children	All teeth	29,566
	Fluoride varnish (twice a year)7	3	All children	All teeth	17,472	All children	All teeth	16,946	All children	All teeth	22,174
	Oral hygiene advice	6.8	All children	7,6716 (schools)	1,739	All children	7,6716 (schools)	1,739	All children	7,6716 (schools)	1,739
	Diet advice	5.6	All children	7,6716 (schools)	1,432	All children	7,6716 (schools)	1,432	All children	7,6716 (schools)	1,432
Sub-total OHP including individualised prevention					43,940			42,711			54,911
Restoration at tooth level	Atraumatic Restorative treatment (ART)	12.7	131,043	504,516	106,789	106,759	403,548	85,418	357,006	881,384	186,560
	Tooth filling	27.8	120,560	258,137	119,604	91,508	201,893	91,121	33,261	46,522	21,555
Surgical at tooth level	Tooth extractions	23.9 p /21.2d	29,703	52,277	20,824	18,640	24,419	9,727	86,479	171,274	60,637
Total clinical hours					291,157			228,977			323,663

^1,2 Informed by Refs. [40]  + [42] + [43]  + Panel of members from the ICCMS, KCL and Public Sector Dentistry in SL

³ Ref. [41]

⁴ Total children in each of the three key age groups estimated from—Statistics Sierra Leone. 2015 Population and Housing Census. [Available from: https://www.statistics.sl/images/StatisticsSL/Documents/Census/2015/sl_2015_phc_thematic_report_on_pop_structure_and_pop_distribution.pdf. Accessed 15 Feb 2017]

⁵ Includes timings for treatment procedures for both permanent(^p) and primary (^d) teeth informed by 3

⁶ Total no. of schools informed by—Ministry of Education Science and Technology (MEST). Making Progress –Schools and Students in Sierra Leone. [Available from: http://wbgfiles.worldbank.org/documents/hdn/ed/saber/supporting_doc/AFR/Sierra%20Leone/ECD/SL%20SCR%202010_.pdf. Accessed on: 25 Sept 2018]

⁷ Two visits in a school in a year following—Public Health England (PHE). Delivering better oral health: an evidence-based toolkit for prevention. [Available from: https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/605266/Delivering_better_oral_health.pdf. Accessed 05 March 2020]. London: PHE 2017