Figure 1 Histogram of number of GAs and repeats for each site.

Figure 2 Histogram of patient type for repeat GAs at each site.

Figure 3 Histogram of time elapsed to repeat GA.

Figure 4 Histogram of number of cases attending recall within 3 months.

Figure 5 Histogram of the percent of cases with radiographs available at the treatment planning stage.

Figure 6 Histogram of the percent of cases with a clear justification in the notes for the use of GA.

Table1 Baseline Socio-demographic and clinical characteristics of patients who were taking ART in St. Paul's and ALERT hospital during January 2008 – December 2012 (n=616)

Study

Primary care /
Secondary care

Number of patients
in study (mean age at
first GA))

Mean interval
to repeat

Percentage of
repeat GAs

Albadraet.al16

Secondary

278 (6.5y)

2 years
3 months

11.9

Harrison and Nutting15

Secondary

3872 (5.3y)

2 years
8 months

10

Kakaounakiet.al. 17,18

Secondary

484 (6.3y)

1 year
8 months

10.7

Savanheimo and Vehkalati19

Secondary

188 (6.2y)

1 year
10 months

11

Table1 Summary of findings in studies of repeat GA

Age

Clear justification for the use of dental GA including learning disability or complex medical history

Date of first dental GA

Date of second dental GA

Date of third or subsequent dental GA

Radiographs available prior to dental GA

Justification for not taking radiographs

Follow up appointment within three months

Table2 Data collected from the dental records.