Page 28 - MDJ 2022 Jan-Jun, Volume 45 Number 1

Ganapathy / Ibrahim

Table 2: Association of RDITN score with the perceived current state of oral health.
RDITN 1; n RDITN 2; n RDITN 3; n p
Current State of Oral Health n
(% within) (% within) (% within) value
Perceived oral health status
Very good 12 3 (25.0) 4 (10.8) 5 (11.5)
Good 54 6 (50.0) 17 (45.9) 31 (56.4) 0.684ᵃ
Fair 37 3 (25.0) 16 (43.2) 18 (32.7)
Poor 1 - - 1 (1.8)
Perceived dental treatment need
Do not need treatment 39 8 (66.7) 15 (40.5) 16 (29.1)
Need treatment 65 4 (33.3) 22 (59.5) 65 (62.5) 0.026ᵇ
Adjusted
0.079 1.902 0.182
p value
Satisfaction with oral health
Yes 86 12 (100.0) 30 (81.1) 44 (80.0) 0.255ᵇ
No 18 0 7 (18.9) 11 (20.0)
ᵃ Spearman’s rank correlation coefficient
ᵇ Mann-Whitney test
A p value < 0.05 is considered statistically significant
Table 4: Association of RDITN score and covariates with were investigated. In contrast to the association of case
OHRQoL. severity and treatment failure, this study demonstrated no
correlation between higher RDITN-Endo score and higher
S-OHIP(M) S-OHIP(M) or failure of treatment. These findings suggest
score; median that endodontic treatment can yield a good outcome
Parameter n p value
th
(25 , 75 regardless of the case severity during presentation.
th
percentiles)
RDITN score Additionally, this could also reflect the varying
1 12 17 (14.3, 20.8) quality of care provided by the individual dentist or clinic.
2 37 19 (15.5, 22.5) 0.355ᵃ The dentist’s level of training and experience could be a
3 55 18 (15.0, 26.0) significant factor in determining the variation in the quality
Gender of care. However, since all patients in this study were
Male 35 17 (15.0, 30.0) 0.326ᵇ treated by endodontic specialists, it could eliminate the
Female 69 19 (15.0, 25.5) possibility of lack of training and experience that could
Hypertension induce the increase in perceived dental treatment need. As
Yes 6 19.5 (16.0, 33.3) 0.283ᵇ indicated by Alley et al. (2004), specialists showed
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No 98 18 (15.0, 23.3) higher root canal treatment success rates (98.1 %)
Diabetes compared to general dentists.
Yes 6 18 (16.0, 25.0)
No 98 18 (15.0, 24.0) 0.644ᵇ Other than the S-OHIP(M) score, questions on
ᵃ Spearman’s rank correlation coefficient the participant’s perception on their current state of oral
ᵇ Mann-Whitney test health were also asked. The three questions asked were: 1)
A p value < 0.05 is considered statistically significant
perceived oral health status, 2) perceived dental treatment
Table 5: Association of age with OHRQoL by a simple linear need, and 3) satisfaction with oral health. Inclusion of
regression model. these questions served two purposes in the context of the
study. The first was to establish the ability of S-OHIP(M)
95 % CI to distinguish between two objective responses. The
Parameter B β t p
Lower Upper second was to confirm the effect of RDITN-Endo on
(Constant) 20.366 15.234 25.499 7.871 0 OHRQoL with an additional objective response.
Age 0.014 -0.104 0.131 0.023 0.23 0.818
A p value < 0.05 is considered statistically significant In agreement with Saub et al.’s (2005) study,
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this study also demonstrated correlation between higher S-
The link between case severity with the outcome OHIP(M) score with the changes of perceived oral health
of treatment was reported in previous studies. 12,14,15 A status from good to poor, increased dental treatment need,
study that reviewed the factors related to the failure and and unsatisfactory oral health. These findings demonstrate
extraction of unsuccessful endodontically treated teeth the discriminative ability of the S-OHIP(M), as those who
revealed that cases presented with complex conditions experience poor oral conditions will be more likely to
such as teeth with extensive caries (restorative reason), perceive their oral health as poor, perceive that they need
short or over extended filling from the root canal apex dental treatment, and be unsatisfied with their oral health.
(endodontic reason) were the most common factors that
contribute to the failure of treatment. Since the increase in S-OHIP(M) scores are
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related to poorer oral health status, this study also has
To our knowledge, this is the first time that the attempted to identify the correlation between increased
relationship between RDITN-Endo score with oral health- RDITN-Endo score with their perceived state of oral
related quality of life (OHRQoL) and failure of treatment

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