Appendix 2 - Articles excluded and the reasons for exclusion (n=18).

Reference / Author / Reasons for Exclusion*
1.  / Auskalnis, A., et al. (2015) [1] / 2
2.  / Çagirankaya, B. L., et al. (2005) [2] / 4
3.  / Clifford, T., et al. (1996) [3] / 4
4.  / Cortes, A. R. G., et al. (2014) [4] / 4
5.  / Eggen, S. (1988) [5] / 4
6.  / Eggen, S. (1989) [6] / 4
7.  / Eggen, S. (1992) [7] / 4
8.  / Eggen, S. and B. Natvig (1991) [8] / 5
9.  / Estafan, A., et al. (2005) [9] / 5
10.  / Igarashi, Y., et al. (2008) [10] / 2
11.  / Jeong, C. W. (2014) [11] / 1
12.  / Jeong, C. W. (2014-2) [12] / 1
13.  / Kataoka, K., et al. (2015) [13] / 5
14.  / Mendes da Silva, J. et al. (2016) [14] / 5
15.  / Serra, V. B. R. et al. (2005) [15] / 4
16.  / Sirirungrojying, S. and D. Kerdpon (1999) [16] / 5
17.  / Vilar, J. M., et al. (2001) [17] / 1
18.  / Yoshinaka, M., et al. (2014) [18] / 6

Legend: 1) Reviews, letters, posters, conference abstracts, case reports and personal opinions; 2) Studies in which plaster models was used for the analyses, excluding physical examination; 3) Studies in which sample includes craniofacial genetic syndromes or neuromuscular diseases; 4) Studies in which diagnostic criteria or signs and symptoms of bruxism were not reported or could not be categorically discerned; 5) Studies with different objectives; 6) Studies in which sample was already reported in another included study by the same author.

REFERENCES

1. Auskalnis A, Rutkunas V, Bernhardt O, Sidlauskas M, Salomskiene L, Baseviciene N (2015) Multifactorial etiology of Torus mandibularis: study of twins. Stomatologija / issued by public institution "Odontologijos studija" [et al] 17 (2):35-40

2. Berna L, Dds Ç, Güngör M, Dds H, Dds ÖK (2005) Is There an Association Between Torus Mandibularis and Bite Force? Hacettepe Faculty of Dentistry Journal:Cilt: 29, Sayı: 24, Sayfa: 15-17

3. Clifford T, Lamey PJ, Fartash L (1996) Mandibular tori, migraine and temporomandibular disorders. British dental journal 180 (10):382-384

4. Cortes AR, Jin Z, Morrison MD, Arita ES, Song J, Tamimi F (2014) Mandibular tori are associated with mechanical stress and mandibular shape. Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons 72 (11):2115-2125. doi:10.1016/j.joms.2014.05.024

5. Eggen S (1988) Torus mandibularis and muscular hyperactivity. [Norwegian]. Den Norske tannlaegeforenings tidende 98 (6):220-226

6. Eggen S (1989) Torus mandibularis: An estimation of the degree of genetic determination. Acta Odontologica Scandinavica 47 (6):409-415

7. Eggen S (1992) Correlated characteristics of the jaws: association between torus mandibularis and marginal alveolar bone height. Acta odontologica Scandinavica 50 (1):1-6

8. Eggen S, Natvig B (1991) Variation in torus mandibularis prevalence in Norway. A statistical analysis using logistic regression. Community dentistry and oral epidemiology 19 (1):32-35

9. Estafan A, Furnari PC, Goldstein G, Hittelman EL (2005) In vivo correlation of noncarious cervical lesions and occlusal wear. Journal of Prosthetic Dentistry 93 (3):221-226. doi:http://dx.doi.org/10.1016/j.prosdent.2004.12.012

10. IGARASHI Y, OHZEKI S, UESU K, NAKABAYASHI T, KANAZAWA E (2008) Frequency of mandibular tori in the present-day Japanese. Anthropological Science 116:17-32. doi:10.1537/ase.050613

11. Jeong CW (2014) The relationship between oral tori and bite forces. Journal of Oral and Maxillofacial Surgery Conference: 96th Annual Meeting Scientific Sessions and Exhibition of the American Association of Oral and Maxillofacial Surgeons, AAOMS 72 (9 SUPPL. 1). doi:http://dx.doi.org/10.1016/j.joms.2014.06.360

12. Jeong CW (2014) Oral tori in patients with temporomandibular disorders and parafunctional habits. Journal of Oral and Maxillofacial Surgery Conference: 96th Annual Meeting Scientific Sessions and Exhibition of the American Association of Oral and Maxillofacial Surgeons, AAOMS 72 (9 SUPPL. 1):e222-e223. doi:http://dx.doi.org/10.1016/j.joms.2014.06.359

13. Kataoka K, Ekuni D, Mizutani S, Tomofuji T, Azuma T, Yamane M, Kawabata Y, Iwasaki Y, Morita M (2015) Association Between Self-Reported Bruxism and Malocclusion in University Students: A Cross-Sectional Study. Journal of epidemiology / Japan Epidemiological Association 25 (6):423-430. doi:http://dx.doi.org/10.2188/jea.JE20140180

14. Mendes da Silva J, Pérola dos Anjos Braga Pires C, Angélica Mendes Rodrigues L, Palinkas M, de Luca Canto G, Batista de Vasconcelos P, Valéria Rancan S, Semprini M, Siéssere S, Regalo SCH (2016) Influence of mandibular tori on stomatognathic system function. Cranio®:1-8. doi:10.1080/08869634.2015.1122417

15. Serra VB, Campos MC, Guimaraes J (2005) Prevalência de tórus mandibular e palatino em pacientes bruxômanos. Rev Serv ATM 5:20-25

16. Sirirungrojying S, Kerdpon D (1999) Relationship between oral tori and temporomandibular disorders. International dental journal 49 (2):101-104

17. Vilar JM, Masdevall J, Sabria J, Rustullet O, Llombart D (2001) Relation between dental attrition and oral exostosis. Journal of Dental Research 80 (4):1202-1202

18. Yoshinaka M, Ikebe K, Furuya-Yoshinaka M, Maeda Y (2014) Prevalence of torus mandibularis among a group of elderly Japanese and its relationship with occlusal force. Gerodontology 31:117-122. doi:10.1111/ger.12017

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