International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Since Year 2012 | Open Access | Double Blind Reviewed

ISSN: 2319-7064




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Research Paper | Medicine Science | Lebanon | Volume 4 Issue 6, June 2015


Effect of Crestal Bone Level on Mobility of Teeth in the Esthetic Zone

Maria R. Reslan | Essam Osman [5] | Lucette Segaan [2] | Mohammad Rayyan [2]


Abstract: Purpose Loss of crestal bone is linked to mobility. As a result, mobile teeth with receded crestal bone are not preferred as abutments and therefore are excluded from the treatment plan. The aim of this study is to find if there is real correlation between crestal bone level and tooth mobility by utilizing cone beam computed tomography and periotest. Materials and methods The records of 67 patients who attended the dental clinics of Beirut Arab University for implant placement or orthodontic treatment between 2013 and 2014 were gathered according to the availability of CBCT of maxillary anterior teeth. Only 28 patients of those who fulfilled the inclusion criteria responded and participated in the study. These participants were orthodontic patients with mild occlusal discrepancy who didnt start their treatment yet, and those requesting single tooth replacement with implant prosthesis. All included participants were healthy, aging from 25 to 35 years and having good oral hygiene with acceptable functional occlusion. All permanent upper anterior teeth with fully developed roots were assessed for tooth mobility and the effect of crestal bone level by measuring the crown root ratio. The teeth included in the study were 164 upper anterior teeth obtained from the 28 CBCTs. The data was coded and entered using the statistical package SPSS version 20. The data was summarized using descriptive statistics. Results The mean crown root ratio was (0.6461) and mean periotest reading was (0.0734). The maximum crown root ratio was 1.52 and the minimum was 0.35, with a median of 0.6159 and standard deviation of 0.14710. The maximum periotest value was 22.47 and the minimum was -5.50 with a median of -0.3167 and standard deviation of 3.04773. Using SPSS, we get r = 0.653. Pearsons correlation coefficient revealed a statistically significant moderate and positive correlation between crown root ratio and tooth mobility at 0.01 level. Tooth mobility, Crestal bone level, Crown root ratio, CBCT, Periotest.


Keywords: Tooth mobility, Crestal bone level, Crown root ratio, CBCT, Periotest


Edition: Volume 4 Issue 6, June 2015,


Pages: 2300 - 2305


How to Cite this Article?

Maria R. Reslan, Essam Osman, Lucette Segaan, Mohammad Rayyan, "Effect of Crestal Bone Level on Mobility of Teeth in the Esthetic Zone", International Journal of Science and Research (IJSR), Volume 4 Issue 6, June 2015, pp. 2300-2305, https://www.ijsr.net/get_abstract.php?paper_id=SUB155618

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