THE RELIABILITY OF THE BOLTON RATIO WHEN APPLIED TO THE INDONESIAN POPULATION
Â Objective: The objective of this study is to determine whether Bolton ratio can be applied clinically to the Indonesian population and to determine a more suitable Bolton ratio for the Indonesian population.
Methods: This study was conducted on 120 readily available study models of treated cases comprising 37 males and 83 females. Two investigators separately measured the mesiodistal crown width of maxillary and mandibular tooth on each study model using sliding calipers. According to Bolton's method, the overall and anterior ratios from each sample were calculated and the mean was generated. Using Student's t-test with a 95% confidence interval, the investigators compared whether there is a significant difference between the ratio from Bolton's samples and the ratio from the Indonesian samples.
Results: The result of this study showed that, for Indonesian samples, the overall ratio is 89.7Â±2.05, while the anterior ratio is 76.4Â±2.76. Student's t-test showed that there is a statistically significant difference (p<0.05) between the results of this study and that of Bolton's study for both the anterior and overall ratios.
Conclusion: It can be concluded that there is a difference between Indonesian population and Caucasian population in tooth size and Bolton ratio value. Therefore, original Bolton ratio value cannot be used as an accurate diagnostic tool for Indonesian population.
2. Abijeth B, Saravana K, Durgha K. Dental anomalies and oral hygiene status in mentally retarded children. Asian J Pharm Clin Res 2015;8:195-8.
3. Vidya VS, Felicita AS. Efficacy of pharmacological agents in the treatment of temporomandibular joint disorder: A systematic review article. Int J Pharm Pharm Sci 2015;7:54-8.
4. Batmaraj R, Umashankar K. The effects of commonly used drugs on orthodontic tooth movement: A systematic review. Asian J Pharm Clin Res 2014;7 Suppl 1:10-4.
5. Shellhart WC, Lange DW, Kluemper GT, Hicks EP, Kaplan AL. Reliability of the Bolton tooth-size analysis when applied to crowded dentitions. Angle Orthod 1995;65(5):327-34.
6. Bolton WA. Disharmony in tooth size and its relation to the analysis and treatment of malocclusion. Angle Orthod 1958;28:113.
7. Zahari Z, Lee CS, Lee YY, Ibrahim MA, Musa N, Yasin MA, et al. 118A>G and IVS2+691G>C polymorphisms of OPRM1 gene have no influence on cold-pain sensitivity among healthy opioid-naive Malay males. Int J Pharm Pharm Sci 2016;8:73-80.
8. Brace CL. Environment, tooth form, and size in the Pleistocene. J Dent Res 1967;46(5):809-16.
9. Doris JM, Bernard BW, Kuftinec MM, Stom D. A biometric study of tooth size and dental crowding. Am J Orthod 1981;79(3):326-36.
10. Rakosi T, Jonas I, Graber TM. Color Atlas of Dental Medicine-Orthodontic Diagnosis. 1st ed. New York: Thieme Publishers Inc.; 1993. p. 228.
11. Stein PL, Rowe BM. Physical Anthropology. 1st ed. New York: McGraw-Hill Book Company; 1974. p. 175.
12. Keene HJ. Mesiodistal crown diameters of permanent teeth in male American Negroes. Am J Orthod 1979;76(1):95-9.
13. Sumantri B. Studi Perbandingan Ukuran Mesio Distal Mahkota Gigi Permanen Suku Bangsa Jawa dengan Orang Kulit Putih Amerika Utara. Thesis. Jakarta: LADOKGI TNI-AL; 1985. p. 40-1.
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