Table 1:

General Characteristics of 19 Reviewed Studies

Author	Country	Study Population	Study Design	Objective(s)	Oral Health Outcome(s)	Relative Secondary Outcome
Alabi, R. O34	Finland and Brazil	Older adults and other age groups	Observational with mixed retrospective and prospective designs	Use of Artificial Neural Networks along with a web-based-tool to estimate oral tongue squamous cell carcinoma recurrence	Oral cancer screening	N/A
Araujo, M. R35	Portugal	Older adults and other age groups	Randomized Clinical Trial	Explore the effect of using an integrated camera while performing oral hygiene procedure followed up by consultation through text messages on the clinical and behavioral measures of patients with periodontal problems	Dental hygiene and bleeding on marginal probing	Social cognitive determinants of behavior change
Buser, R29	Germany	Older adults only	Non-randomized clinical trial	Use of a purpose-built two-colored chewing gum in conjunction with smartphone application to assess chewing function	Chewing ability	N/A
Bradley, M40	Ireland	Older adults and other age groups	Non-randomized clinical trial	Assess the feasibility of using Teledentistry to process oral medicine referral to a consultant at main hospital (Belfast) using photographs	Triage and management of oral medicine referrals	Acceptability of Teledentistry to both patient and provider (feasibility)
Cohen, L. A33	USA	Older adults and other age groups	Cross-sectional	Examine the pharmacist’s role in managing dental pain from the patient’s perspective.	Tooth pain	N/A
Gomes, M. S38	Brazil	Older adults and other age groups	Non-randomized clinical trial	Screening for a potential malignant lesion among individuals with high risk	Malignant lesions	N/A
Lyu, K. X36	China	Older adults and other age groups	Randomized Clinical Trial	Investigate the practicability and advantage of WeChat mobile app in dental follow-up.	Head and neck tumor-related quality of life, and satisfaction with tele approach	Economic saving, satisfaction using both delivery models
Marino, R24	Australia	Older adults only	Non-randomized clinical trial	Evaluate a Teledentistry model for teleconsultation and diagnosis inside nursing homes	5-level Likert scale to assess acceptability, an economic evaluation based on general cost data	Screening for oral diseases and lesions, opinions of participants about the tele approach
Marino, R25	Australia	Older adults only	Non-randomized clinical trial	Compare costs /benefits of Teledentistry versus in-person approach following assessments by a dentist at rural nursing homes	Cost saving, effectiveness and feasibility of access through Teledentistry at rural nursing homes	N/A
Petcu, R39	France	Older adults and other age groups	Non-randomized clinical trial	Measure perception of oral teleconsultation among elder patients with cognitive and physical problems	Acceptance of oral teleconsultation service	N/A
Queyroux, A26	France	Older adults only	Cross-sectional study	Assess the precision of Teledentistry for diagnosing dental pathology, assessing rehabilitation status of dental prostheses, and the chewing ability of older adults living in nursing homes	Oral conditions/lesions, chewing ability, dental prostheses rehabilitation	N/A
Shah, P31	India	Older adults and other age groups	Cross-sectional	Assess technology-enabled non-invasive diagnostic screening (TES) utilizing smartphones and other medical devices in conjunction with routine health screenings	Dental conditions	Other medical conditions
Skandarajah, A32	India	Older adults and other age groups	Cross-sectional	Assess an automatic tablet-supported portable microscope as an assistant tool for oral cancer screening	Oral cancer screening	N/A
Tomuro, K23	Japan	Older adults only	Non-randomized clinical trial	Evaluate a telecare program for home-bound elderly in provision of education on oral and general health care.	Oral care knowledge and attitudes, selfcare skills, communication abilities	N/A
Tynan, A27	Australia	Older adults only	Non-randomized clinical trial	Explore the impact and experience of an integrated oral health program using tele approach and oral health therapists	Oral health- related quality of life	N/A
Tynan, A28	Australia	Older adults only	Non-randomized clinical trial	Dismantle barriers related to delivering oral health at nursing homes	Experience of older adults with tele approach at nursing homes, reduction of unnecessary appointments, compliance with oral health care plan	N/A
Vaishampayan, S41	India	Older adults and other age groups	Non-randomized-clinical trial	Assess effectiveness of text messaging (SMS) for postoperative compliance in oral cancer patients, and the efficacy of self-examination for early identification of recurrent lesions	Patient self-examination of oral cancer/oral lesion recurrence	N/A
Worsley, D. J30	UK	Older adults and other age groups	Cross-sectional	Assess government facility services during both in- and out-of-hours urgent dental service, including telephone triage provider and a sole clinical provider	Telephone consultation delivery, suitability of referral, acceptability of service, cost and relevance	N/A
Yamazaki, S37	Japan	Older adults and other age groups	Non-randomized clinical trial	Evaluate systemic management of high-risk dental patients during dental procedures by the remote online hemodynamic monitoring system	Remote hemodynamic monitoring of medically high-risk patients in private dental offices	N/A

Note: N/A: not applicable