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ORIGINAL ARTICLE
Year : 2020  |  Volume : 20  |  Issue : 1  |  Page : 52-60

Comparative evaluation of crestal bone levels around endosseous implants as influenced by conventional and diode laser during second-stage surgery in mandibular implant-supported overdenture: An in vivo study


1 Department of Prosthodontics, ITS-CDSR, Uttar Pradesh, India
2 Department of Oral Medicine and Radiology, ITS-CDSR, Uttar Pradesh, India

Correspondence Address:
Dr. Sapna Rani
House No. 2062, Sector 7D, Faridabad, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jips.jips_55_19

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Aim: This study aims to evaluate and compare the crestal bone levels around implants as influenced by conventional and diode laser during second-stage surgery in an edentulous mandible using cone beam computed tomography (CBCT) and digital radiography (DR). Settings and Design: A split-mouth in vivo prospective study on edentulous patients involving placement of two implants in mandible followed by the comparison of two different techniques for second-stage surgery. Materials and Methods: The study was undertaken to evaluate the crestal bone change around 16 implant sites distributed in two groups (eight implants each) following two methods during second-stage surgery, i.e., Group 1 - Conventional second stage and Group 2 - Diode laser. Measurements were made on two sides (mesial and distal) using intraoral periapical and four sides (labial, lingual, mesial, and distal) using CBCT scans for both groups. These measurements were conducted at two time intervals for both, i.e., immediately after implant loading and twenty 4 weeks after implant loading. The values obtained were subjected to statistical analysis. Statistical Analysis Used: The normality of data was checked by Shapiro–Wilk's test. Intragroup comparison was compared using independent t-test by post hoc comparison by Bonferroni method (P < 0.05). Results: Crestal bone loss at the time of loading for Group 1 evaluated by CBCT was 0.950 ± 0.988 while after 24 weeks of loading, it was 1.388 ± 0.576. For Group 2, mean crestal bone loss was 1.200 ± 0.925 at the time of loading, and after 24 weeks, it was 1.512 ± 0.674. Crestal bone loss at the time of loading for Group 1 evaluated by DR was 1.075 ± 0.849 while after 24 weeks of loading, it was 1.562 ± 0.480. For Group 2, mean crestal bone loss was 1.162 ± 0.833 at the time of loading and after 24 weeks, it was 1.700 ± 0.498. Conclusions: In the present study, no statistically significant difference was observed in crestal bone loss between conventional and diode laser technique.


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