References
- World Health Organization [Internet]. Disability and health. WHO; c2019 [cited 2018 Nov 23]. Available from: http://www.who.int/news-room/fact-sheets/detail/disability-and-health
- World Health Organization [Internet]. Disability and health: Fact sheet no. 352; [cited 2014 Dec 11]. Available from: https://www.who.int/
- World Health Organization [Internet]. World Health Report; [cited 2007 Nov 6]. Available from: http://www.who.int/whr/1998/en/index.html
- National Statistical Institute (Bulgaria)[Internet]. Sofia; [cited 2018 Nov 23]. Available form: http://www.nsi.bg/en
- Greene JC, Vermillion JR. The Simplified Oral Hygiene Index. J Am Dent Assoc. 1964;68:7–13.
- Bhavsar JP, Damle SG. Dental caries and oral hygiene amongst 12-14 years old handicapped children of Bombay, India. J Indian Soc Pedod Prev Dent. 1995;13:1–3.
- Cohen S, Sarnat H, Shalgi G. The role of instruction and a brushing device on the oral hygiene of blind children. Clin Prev Dent. 1991;13:8–12.
- Lebowitz E. An introduction to dentistry for the blind. Dent Clin North Am. 1974; 18:651–669.
- Udin R, Kuster C. The influence of motivation on a plaque control program for handicapped children. J Am Dent Assoc. 1984;109:591–593.
- Anaise Z. Periodontal disease and oral hygiene in a group of blind and sighted Israeli teenagers (14–17 years of age. Community Dent Oral Epidemiol. 1979;7:353–356.
- Winstanley M. A synopsis of the project to evaluate the use of a Braille text and tactile aids when teaching dental health to blind children. Br Dent Surg Assist. 1983;42:20–23.
- Shnuth M. Dental health education for the blind. Dent Hyg. 1977;51:499–501.
- World Blindness Overview [Internet]. Waterbury: Himalayan Cataract Project; [cited 2016 Jan 7]. Available from: www.cureblindness.org
- Chang S, Shih Y. Knowledge of dental health and oral hygiene practices of Taiwanese visually impaired and sighted students. JVIB. 2004;98:11–19.
- Ahmad MS, Jindal MK, Khan S. Oral health knowledge, practice, oral hygiene status and dental caries prevalence among visually impaired students in residential institute of Aligarh. J Dent Oral Hygiene. 2009;1:22–26.
- Nandini N. New insights into improving the oral health of visually impaired children. J Indian Soc Pedod Prev Dent. 2003;21:142–143.
- Bhor K, Shetty V, Garcha V, et al. Effect of oral health education in the form of Braille and oral health talk on oral hygiene knowledge, practices, and status of 12-17 years old visually impaired school girls in Pune city: a comparative study. J Int Soc Prevent Communit Dent.. 2016;6:459–464.
- Mahantesha T, Nara A, Kumari PR, et al. A comparative evaluation of oral hygieneusing Braille and audio instructions among institutionalized visually impaired children aged between 6 years and 20 years: a 3-month follow-up study. J Int Soc Prev Community Dent. 2015;5:129–132.
- Ganapathi AK, Namineni S, Vaaka PH, et al. Effectiveness of various sensory input methods in dental health education among blind children – a comparative study. J Clin Diagn Res. 2015;9:75–78.
- Joybell C, Krshnan R, Kumar VS. Comparison of two brushing methods – Fone’s vs modified bass method in visually impaired children using the audio tactile performance (ATP) technique. J Clin Diagn Res. 2015; 9:19–22.
- Lange BM, Entwistle BM, Lipson LF. Dental management of the handicapped: Approaches for dental auxiliaries. Washington (USA): Lea and Febiger; 1983. Chapter 2, Visual impairments and blindness; p. 25–38.
- Mahoney ек, Kumar N, Porter S. Effect of visual impairment upon oral health care: a review. Br Dent J. 2008;204:63–67.
- Hebbal M, Ankola A. Development of a new technique (ATP) for training visually impaired children in oral hygiene maintenance. Eur Arch Paediatr Dent. 2012; 13:244–247.
- Deshpande S, Rajpurohit L, Kokka V. Effectiveness of braille and audio-tactile performance technique for improving oral hygienestatus of visually impaired adolescents. J Indian Soc Periodontol. 2017;21:27–31.
- Gautam A, Bhambal A, Moghe S. Effect of oral health education by audio aids, Braille & tactile models on the oral health status of visually impaired children of Bhopal city. J Oral Biol Craniofac Res. 2018;8:168–170.
- Chowdary PB, Uloopi KS, Vinay C, et al. Impact of verbal, Braille text, and tactile oral hygiene awareness instructions on oral health status of visually impaired children. J Indian Soc Pedod Prev Dent. 2016;34:43–47.
- Mudunuri S, Sharma A, Subramaniam P. Perception of complete visually impaired children to three different oral health education methods: a preliminary study. J Clin Pediatr Dent. 2017;41:271–274.