Non-Cochrane · DTA · PM39039499

Teledentistry accuracy for caries diagnosis: a systematic review of in-vivo studies using extra-oral photography methods.

Kargozar Sanaz, Jadidfard Mohammad-Pooyan · BMC oral health · 2024 · PubMed · doi:10.1186/s12903-024-04564-4

Oral HealthDental cariesAMSTAR 2: not applicable
Full textEvery question was extracted from the full text, figures and supplements by two independent LLM extractors, disagreements adjudicated. Rows cite where in the review the value comes from.
Questions
16
current version
GRADE rated
0
No studies
0
Included studies
19
linked below
No studies 0 · 0%Ungraded 16 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Review question

ElementPlanned (methods)Found (results)
PopulationChildren and adults (participants) with primary or permanent dentition, for dental caries diagnosis19 studies; participants aged 1 to over 65 years (children and adults); sample sizes 6 to 147 individuals
InterventionIndex test: dental caries diagnosis from photographs taken by DSLR or smartphone cameras (intraoral-camera and in-vitro studies excluded)Photographic caries diagnosis: smartphone camera (12 studies), DSLR camera (remaining studies), or both (1 study); all asynchronous/store-and-forward
ComparisonReference standard: visual/clinical dental examinationVisual/clinical examination (all 19 studies)
OutcomesPrimary: sensitivity and specificity. Additional: positive and negative predictive values, accuracy, and inter- and intra-rater reliability (kappa)Sensitivity 48-98.3% (13 studies); specificity 83-100% (13); PPV and NPV (10); accuracy about 93-97.6% (Table 2); inter-examiner kappa 0.44-0.91 (13); intra-examiner kappa 0.52-1.00 (6). Meta-analysis not performed (heterogeneity)
Study designsOriginal in-vivo studies: randomized clinical trials, quasi-experimental trials, longitudinal cohorts, and cross-sectional surveys19 studies published 2014-2022: observational cross-sectional, pilot intervention, retrospective descriptive, and one parallel-group RCT; settings included dental clinics/hospitals, schools (4), and a juvenile detention facility (1); 11 countries
TimingNot specified (no date restriction on study inclusion)Included studies published 2014-2022

Search date: February 2023 (electronic searches conducted February 2023; literature coverage through December 2022; no date restriction applied). Databases: PubMed, Scopus, EMBASE; gray literature via Google and Google Scholar; backward citation searching

Questions and results

Teledentistry (index test): dental caries diagnosis from photographs taken with DSLR or smartphone cameras; store-and-forward vs Visual/clinical dental examination (reference standard)

Population: Children and adults with primary or permanent dentition undergoing dental caries assessment
14 questions
OutcomeEffectEvidenceStatus / GRADE
Intra-examiner reliability
Cross-sectional diagnostic accuracy (index test vs reference standard, in-vivo) · Overall (studies reporting intra-examiner reliability; narrative synthesis)
Intra-examiner reliability ranged from kappa 0.52 to 1.00 across 6 studies; certainty not graded.
Source: Results (Diagnostic outcomes); Table 2 · same question in other reviews
Intra-examiner reliability (kappa) reported in 6 studies, ranging from 0.52 to 1.00. No pooled estimate.6 studiesUngraded
Inter-examiner reliability
Overall
Population: Children and adults with primary or permanent dentition
Inter-examiner kappa statistics ranged from 0.44 to 0.91 across 13 studies; no meta-analysis or GRADE rating was reported.
Source: Results, Diagnostic outcomes; Table 2 · same question in other reviews
no estimate extracted13 studiesUngraded
Positive predictive value
Cross-sectional diagnostic accuracy (index test vs reference standard, in-vivo) · Overall (studies reporting PPV; narrative synthesis)
Positive predictive value was reported in 10 studies and varied widely across studies (about 42% to 99%); no pooled estimate and certainty not graded.
Source: Results (Diagnostic outcomes); Table 2 · same question in other reviews
PPV 41.8% to 99%10 studiesUngraded
Positive predictive value for dental caries diagnosis
Overall
Population: Children and adults with primary or permanent dentition
Positive predictive values were reported in 10 of the 13 studies that reported sensitivity and specificity; no meta-analysis or GRADE rating was reported.
Source: Results, Diagnostic outcomes; Table 2 · same question in other reviews
no estimate extracted10 studiesUngraded
Negative predictive value for dental caries diagnosis
Overall
Population: Children and adults with primary or permanent dentition
Negative predictive values were reported in 10 of the 13 studies that reported sensitivity and specificity; no meta-analysis or GRADE rating was reported.
Source: Results, Diagnostic outcomes; Table 2 · same question in other reviews
no estimate extracted10 studiesUngraded
Specificity
Cross-sectional diagnostic accuracy (index test vs reference standard, in-vivo) · Overall (studies reporting specificity; narrative synthesis)
Across 13 studies, the specificity of teledentistry caries diagnosis ranged from 83% to 100%; no pooled estimate and certainty not graded.
Source: Abstract; Results (Diagnostic outcomes); Table 2 · same question in other reviews
Specificity ranged from 83% to 100% across studies (reported in 13 of 19 studies). No pooled estimate; meta-analysis not performed.13 studiesUngraded
Overall diagnostic accuracy (agreement)
Cross-sectional diagnostic accuracy (index test vs reference standard, in-vivo) · Overall (studies reporting accuracy; narrative synthesis)
Where reported (about 5 studies, Table 2), overall diagnostic accuracy was high (about 93% to 97.6%); no pooled estimate and certainty not graded.
Accuracy 92.9% to 97.6%5 studiesUngraded
Sensitivity
Cross-sectional diagnostic accuracy (index test vs reference standard, in-vivo) · Overall (studies reporting sensitivity; narrative synthesis)
Across 13 studies, the sensitivity of teledentistry (photographic) caries diagnosis versus visual examination ranged from 48% to 98.3%; the review pooled no estimate and did not grade certainty.
Source: Abstract; Results (Diagnostic outcomes); Table 2 · same question in other reviews
Sensitivity Overall 48% to 98.3% across 13 studies; sensitivity is lesion-stage dependent: Kohara reported <40% for initial/moderate caries (75-100% for extensive) and early enamel lesions were less sensitive13 studiesUngraded
Intra-examiner reliability
Overall
Population: Children and adults with primary or permanent dentition
Intra-examiner kappa statistics ranged from 0.52 to 1.00 across 6 studies; no meta-analysis or GRADE rating was reported.
Source: Results, Diagnostic outcomes; Table 2 · same question in other reviews
no estimate extracted6 studiesUngraded
Inter-examiner reliability
Cross-sectional diagnostic accuracy (index test vs reference standard, in-vivo) · Overall (studies reporting inter-examiner reliability; narrative synthesis)
Inter-examiner reliability ranged from kappa 0.44 to 0.91 across 13 studies (moderate to almost perfect agreement); certainty not graded.
Source: Results (Diagnostic outcomes); Table 2; Discussion · same question in other reviews
Inter-examiner reliability (kappa) reported in 13 studies, ranging from 0.44 to 0.91. No pooled estimate.13 studiesUngraded
Negative predictive value
Cross-sectional diagnostic accuracy (index test vs reference standard, in-vivo) · Overall (studies reporting NPV; narrative synthesis)
Negative predictive value was reported in 10 studies and ranged widely across studies (about 31% to 99.5%); no pooled estimate and certainty not graded.
Source: Results (Diagnostic outcomes); Table 2 · same question in other reviews
Negative predictive value reported in 10 of 19 studies; per-study values ranged from about 31% to 99.5% (Table 2). No pooled estimate.10 studiesUngraded
Sensitivity for dental caries diagnosis
Overall
Population: Children and adults with primary or permanent dentition
Sensitivity ranged from 48% to 98.3% across 13 studies; no meta-analysis or GRADE rating was reported.
Source: Results, Diagnostic outcomes; Table 2 · same question in other reviews
Sensitivity Overall 48% to 98.3% across 13 studies; sensitivity is lesion-stage dependent: Kohara reported <40% for initial/moderate caries (75-100% for extensive) and early enamel lesions were less sensitive13 studiesUngraded
d/D dft/DFT or dmft/DMFT score differences
Overall
Population: Children and adults with primary or permanent dentition
Eight studies calculated caries-score differences; six reported no significant difference, one underestimation, and one overestimation with teledentistry.
Source: Results, Diagnostic outcomes; Table 2 · same question in other reviews
no estimate extracted8 studiesUngraded
Specificity for dental caries diagnosis
Overall
Population: Children and adults with primary or permanent dentition
Specificity ranged from 83% to 100% across 13 studies; no meta-analysis or GRADE rating was reported.
Source: Results, Diagnostic outcomes; Table 2 · same question in other reviews
no estimate extracted13 studiesUngraded

Comparison

2 questions
OutcomeEffectEvidenceStatus / GRADE
Correlation between teledentistry and clinical caries assessment
Studies reporting Spearman correlation (Almosa 2014, Daniel 2017, Zotti 2022)
Spearman correlation coefficient 0.76 to 0.99 (Almosa 0.76; Zotti 0.816; Daniel 0.99)3 studiesUngraded
Comparable diagnostic accuracy (photographic vs visual examination)
Overall narrative conclusion across included studies
Study conclusion (narrative) 17 of 19 studies concluded photographic diagnostic accuracy comparable to visual caries assessment19 studiesUngraded

Included primary studies 19

Open as a trial list
StudyAlso included byOutcomes it informs hereTrial PICOResults
Aboalshamat 2022
Accuracy and perceptions of teledentistry in KSA during the COVID-19 pandemic: A single-centre randomised controlled trial.
PMID:35079243
this review onlynot statednot extracted yetnot extracted yet
Almosa 2014
Diagnosing the severity of buccal caries lesions in orthodontic patients at de-bonding using digital photographs.
PMID:24320004
this review onlynot statednot extracted yetnot extracted yet
Alshaya 2020
Reliability of mobile phone teledentistry in dental diagnosis and treatment planning in mixed dentition.
PMID:30134778
this review onlynot statednot extracted yetnot extracted yet
Alshaya 2022
The accuracy of teledentistry in caries detection in children - A diagnostic study.
PMID:35774249
this review onlynot statednot extracted yetnot extracted yet
Ciardo 2022
Remote assessment of DMFT and number of implants with intraoral digital photography in an elderly patient population - a comparative study.
PMID:35580131
this review onlynot statednot extracted yetnot extracted yet
Daniel 2017
Comparison of dental hygienists and dentists: clinical and teledentistry identification of dental caries in children.
PMID:27256722
this review onlynot statednot extracted yetnot extracted yet
Estai 2015
A proof-of-concept evaluation of a cloud-based store-and-forward telemedicine app for screening for oral diseases.
PMID:26377126
this review onlynot statednot extracted yetnot extracted yet
Estai 2016
The efficacy of remote screening for dental caries by mid-level dental providers using a mobile teledentistry model.
PMID:27111291
this review onlynot statednot extracted yetnot extracted yet
Estai 2017
Comparison of a Smartphone-Based Photographic Method with Face-to-Face Caries Assessment: A Mobile Teledentistry Model.
PMID:27854186
this review onlynot statednot extracted yetnot extracted yet
Estai 2021
Mobile photographic screening for dental caries in children: Diagnostic performance compared to unaided visual dental examination.
PMID:33495989
this review onlynot statednot extracted yetnot extracted yet
Golsanamloo 2022
Accuracy of Teledentistry for Diagnosis and Treatment Planning of Pediatric Patients during COVID-19 Pandemic.
PMID:36444215
this review onlynot statednot extracted yetnot extracted yet
Guo 2021
Feasibility of oral health evaluation by intraoral digital photography: a pilot study.
PMID:33530811
this review onlynot statednot extracted yetnot extracted yet
Hu 2016
Are Carious Lesions in Previously Sealed Occlusal Surfaces Detected as well on Colour Photographs as by Visual Clinical Examination?
PMID:26870847
this review onlynot statednot extracted yetnot extracted yet
Kale 2019
Assessment of mother's ability in caries diagnosis, utilizing the smartphone photographic method.
PMID:31710010
this review onlynot statednot extracted yetnot extracted yet
Kohara 2018
Is it feasible to use smartphone images to perform telediagnosis of different stages of occlusal caries lesions?
PMID:30188900
this review onlynot statednot extracted yetnot extracted yet
Mehdipour 2021
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Morosini 2014
Performance of distant diagnosis of dental caries by teledentistry in juvenile offenders.
PMID:24693859
this review onlynot statednot extracted yetnot extracted yet
Park 2018
Comparing the outcomes of gold-standard dental examinations with photographic screening by mid-level dental providers.
PMID:30302610
this review onlynot statednot extracted yetnot extracted yet
Zotti 2022
Telediagnosis of dental caries: Possible or impossible? A pilot cross-sectional study.
PMID:36134446
this review onlynot statednot extracted yetnot extracted yet