Bone loss-related factors in tissue and bone level dental implants: a systematic review of clinical trials

Mortazavi, Hamed; Khodadoustan, Amin; Kheiri, Aida; Kheiri, Lida

doi:10.5125/jkaoms.2021.47.3.153

Cited by 3 publications

(1 citation statement)

References 49 publications

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“…They also emphasized the importance of strict sterilization during osteotomy and optimal oral hygiene in follow-up periods. Even in our study, we tried our best to follow these sterilization guidelines to minimize bone loss [ 28 ]. Wilson has also experimented to resolve the confusion between metallosis and implant bone loss.…”

Section: Discussionmentioning

confidence: 99%

A Two-Year Follow-Up Assessment of Decreasing Crestal Bone Levels Around Dental Implants in Patients Rehabilitated With Mandibular Implant Overdentures

Kumar¹,

Dammani²,

Mahajani³

et al. 2022

Cureus

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Aim: This two-year follow-up study was aimed to evaluate declining crestal bone levels around dental implants in patients rehabilitated with mandibular implant-supported overdentures. A three-dimensional advanced radiographic tool, cone beam computed tomography (CBCT), was utilized as radiographic aid in this study.Materials & Methods: A total of 15 patients wearing mandibular implants supported overdentures were studied for two years. Randomization and strict inclusion/exclusion criteria were followed during study execution. Complete dentures were fabricated with standard methods, which were later anchored by a bilateral implant in the mandibular jaw. Bone loss at all four surfaces in all studied implants was estimated by the cone beam computed tomography (CBCT) technique. These assessments were done at postoperative follow-up periods of six, 12, 18, and 24 months. Duly signed and informed consent was obtained from all participating patients.Statistical Analysis and Results: The statistical analysis was completed by the software IBM Corp. Released 2013. IBM SPSS Statistics for Windows, Version 22.0. Armonk, NY: IBM Corp. All relevant data was entered into it to be analyzed with suitable statistical tests. Out of all 15 studied patients, 11 were male, and four were female. P-value was very significant for the age range 35-40 years (0.01). In all instances, the lingual surface showed minimum, while the distal surface showed maximum bone loss when seen at all postoperative phases. Grossly, the mean bone loss ranged between 0.14-0.45. P-value was highly significant for the measurements made at the lingual and distal sides of implants (for both B and D positions). A comparison of both study groups by one-way ANOVA confirmed a highly significant p-value for estimations done between the groups (0.001).Conclusion: Within the limitations of the study, the authors confirmed that crestal bone levels showed a clear decreasing pattern in the postoperative phases. Since these deleterious processes can compromise long-term prosthesis success, operators should consider all these facts while planning to implant an overdenture prosthesis in the lower jaw.

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Section: Discussionmentioning

confidence: 99%

A Two-Year Follow-Up Assessment of Decreasing Crestal Bone Levels Around Dental Implants in Patients Rehabilitated With Mandibular Implant Overdentures

Kumar¹,

Dammani²,

Mahajani³

et al. 2022

Cureus

View full text Add to dashboard Cite

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Impact of Interproximal Features on Marginal Bone Level Changes of Autograft, Allograft, and Xenograft after Functional Loading: A Retrospective Study

Win,

Pimkhaokham,

Kaboosaya

2024

J Int Oral Health

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Aim: This study aims to investigate the marginal bone level changes (MBLCs) concerning interproximal features of posterior implant-supported single crowns using different bone grafts. Materials and Methods: This retrospective study included 27 patients requiring 46 dental implants using autograft, allograft, or xenograft between January 2007 and December 2016. MBLCs were assessed using digital periapical radiographs at 3 months (T1), 12–15 months (T2), and 21–24 months (T3) after prosthesis delivery. The influence of interproximal features, such as embrasure surface area, emergence angle, and horizontal distance to adjacent teeth/implants, was assessed. Secondarily, age, gender, diabetes and smoking, arch distribution, implant locations, implant characteristics, average gonial angle, antagonist type, clinical crown-to-fixture ratio, retention method, and nearby tooth/implant were considered. Wilcoxon signed-rank test, Mann–Whitney U tests, and Kruskal–Wallis tests were employed with statistical significance set at a P value of <0.05. Results: The results revealed that mean MBLCs at T3–T1 were similar (autograft 0.5 ± 0.47 mm, allograft 0.51 ± 0.35 mm, and xenograft 0.57 ± 0.42 mm). There were significant increases in MBLCs associated with EA ≤ 30° in autograft (P = 0.04), and HD ≤ 3 mm in allograft (P = 0.03). Mesial/distal MBLCs showed no significant differences, except in cases with HD ≤ 3 mm in the distal area of autograft (P = 0.03). Regarding secondary factors, significant differences in MBLCs emerged between autograft and xenograft in the molar area (P = 0.03), and between premolar and molar areas within the xenograft group (P = 0.01). Conclusion: This study concludes that interproximal features, EA ≤ 30° and HD ≤ 3 mm, markedly influenced MBLCs for specific types of bone grafts. Furthermore, MBLCs exhibited a direct relationship with the posterior placement of dental implants.

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Influential Factors on Selection of Implant Treatment by Patients and Their Correlation with Outcome Satisfaction

Asadollahi,

Golestaneh,

MalekiGorji

et al. 2024

J Res Dent Maxillofac Sci

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Bone loss-related factors in tissue and bone level dental implants: a systematic review of clinical trials

Cited by 3 publications

References 49 publications

A Two-Year Follow-Up Assessment of Decreasing Crestal Bone Levels Around Dental Implants in Patients Rehabilitated With Mandibular Implant Overdentures

A Two-Year Follow-Up Assessment of Decreasing Crestal Bone Levels Around Dental Implants in Patients Rehabilitated With Mandibular Implant Overdentures

Impact of Interproximal Features on Marginal Bone Level Changes of Autograft, Allograft, and Xenograft after Functional Loading: A Retrospective Study

Influential Factors on Selection of Implant Treatment by Patients and Their Correlation with Outcome Satisfaction

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