International journal of oral implantology (Berlin, Germany)最新文献

{"title":"Comparative evaluation of implant stability quotient trends, crestal bone loss and survival of photofunctionalised and untreated dental implants: A split-mouth randomised controlled clinical trial.","authors":"Ramandeep Sandhu,&nbsp;Mohit Kheur,&nbsp;Tabrez Lakha,&nbsp;Supriya Kheur,&nbsp;Bach Le","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the crestal bone loss and implant stability quotient trends of photofunctionalised versus untreated implants.</p><p><strong>Materials and methods: </strong>A total of 34 patients (age 46.94 ± 12.03 years) with bilateral single missing teeth in the same arch were enrolled in this study. Each patient received an untreated implant on one side (control group, n = 34) and a photofunctionalised implant on the contralateral side (test group, n = 34). Crestal bone loss was assessed at the time of crown insertion and 1 year later. The osseointegration speed index was evaluated for both the control and test group. An independent t test was used for intergroup comparisons of crestal bone loss and osseointegration speed index. Bivariate analysis was performed for the confounding variables.</p><p><strong>Results: </strong>The test group showed a statistically significantly higher osseointegration speed index (3.07) as compared to the control group (1.29) (P < 0.01). Statistically significantly higher crestal bone loss was observed in the control group (-0.57 ± 0.41 mm) as compared to the test group (-0.27 ± 0.35 mm) (P < 0.01). The difference between mean Plaque Index and Bleeding Index in the control (0.74/0.38) and test group (0.73/0.35) was statistically insignificant (P > 0.05). A negative correlation (r = -0.272) was noted between implant diameter and crestal bone loss. A positive correlation (r = 0.402) was observed between implant length and osseointegration speed index.</p><p><strong>Conclusion: </strong>Implants with photofunctionalised surfaces reduce overall healing time and crestal bone loss. Photofunctionalisation is an effective aid for chairside conditioning of implant surfaces to achieve faster osseointegration with good crestal bone stability.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 2","pages":"127-138"},"PeriodicalIF":0.0,"publicationDate":"2021-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38996100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical outcomes of laser microtextured implants or abutments: A systematic review.","authors":"James Carrigy,&nbsp;Ajay Sharma,&nbsp;Vittoria Perrotti,&nbsp;Alessandro Quaranta","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the effect of laser microtextured collars or laser microtextured abutments on clinical measures that may relate to improved implant success and survival.</p><p><strong>Materials and methods: </strong>This review was registered on the PROSPERO database and conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. MEDLINE (via PubMed) and Embase were screened for studies with at least 10 participants and followed up for at least 1 year, reporting on the following clinical outcomes: radiographic marginal bone level, peri-implant probing depth, soft tissue index and failure rates of implants with laser microtextured collars or laser microtextured abutments. The quality of the studies was assessed using the Cochrane risk-of-bias tool or the Newcastle-Ottawa scale.</p><p><strong>Results: </strong>After removal of duplicates, 86 articles were identified. A total of 25 articles were included after screening. Four were randomised controlled trials, two were non-randomised controlled trials, two were prospective studies, five were retrospective cohort studies and twelve had no control group. Most comparative studies reported that laser microtextured collar implants had less marginal bone loss and shallower peri-implant probing depth than machined collar implants. Only two studies had controls other than machined collar implants; in these, the use of laser microtextured collar implants was not observed to be significantly different. Three studies reported reduced marginal recession in laser microtextured collar implants when compared to machined collar controls. No difference in failure rate was observed between laser microtextured collar and machined collar implants. One study reported on peri-implant diseases and favoured laser microtextured collar implants. Three papers reported using laser microtextured abutments with no control, but no specific conclusions could be drawn.</p><p><strong>Conclusions: </strong>Laser microtextured collar implants appear to reduce marginal bone loss and peri-implant probing depth when compared to machined collar implants. There is weak evidence to suggest that laser microtextured collar implants may also improve aesthetic outcomes and reduce incidence of disease. Research is required regarding laser microtextured abutments, and studies comparing laser microtexturing with alternative solutions are also lacking.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 2","pages":"141-154"},"PeriodicalIF":0.0,"publicationDate":"2021-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38996101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accuracy of full-arch digital implant impressions taken using intraoral scanners and related variables: A systematic review.","authors":"Yi-Jie Zhang,&nbsp;Jun-Yu Shi,&nbsp;Shu-Jiao Qian,&nbsp;Shi-Chong Qiao,&nbsp;Hong-Chang Lai","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the accuracy of full-arch digital implant impressions taken using intraoral scanners and analyse the related variables.</p><p><strong>Materials and methods: </strong>An electronic search of studies on the accuracy of digital implant impressions in fully edentulous arches from 1 January 2012 to 29 February 2020 was conducted in PubMed, EMBASE and the Cochrane Library. Only peer-reviewed experimental or clinical studies written in English were included. Studies assessing the accuracy of restorations, case reports, clinical reports, technical reports and reviews were excluded. The literature screening, article reading and assessment of risk of bias were carried out by two reviewers. The data on the study characteristics, accuracy outcomes and investigated variables were extracted.</p><p><strong>Results: </strong>After removal of duplicates, a total of 166 studies were identified, of which 42 were initially selected for full-text reading and 30 were included in the final analysis (29 in vitro studies and one in vivo study). The trueness of digital implant impressions ranged from 7.6 to 731.7 μm, and the precision ranged from 15.2 to 204.2 μm. Angular deviations were between 0.13 and 10.01 degrees. Considering 100 μm and 0.4 degrees as clinically acceptable levels of deviation, 18 studies reported linear/distance/3D deviations larger than 100 μm and only two studies reported angular deviations below 0.4 degrees. The effect of interimplant distance/length of the arch scanned/scanning sequence/scanning range/implant position (nine studies), implant angulation (ten studies), implant depth (five studies), implant connection (two studies), operator experience (six studies), scan body type (three studies), intraoral scanner type (six studies), scanning strategy (two studies) and modification technique (three studies) was investigated.</p><p><strong>Conclusions: </strong>Based on the results of the included studies, full-arch digital implant impressions taken using intraoral scanners are not sufficiently accurate for clinical application. Accuracy varies greatly with interimplant distance, scan body type, intraoral scanner type and operator experience, whereas implant angulation, implant connections and implant depth have no effect. The effects of scanning strategy and modification technique need further investigation.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 2","pages":"157-179"},"PeriodicalIF":0.0,"publicationDate":"2021-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38996102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Editorial: Changing paradigms in implant dentistry.","authors":"Craig M Misch","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 1","pages":"3-4"},"PeriodicalIF":0.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38995209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Split bone block technique: 4-month results of a randomised clinical trial comparing clinical and radiographic outcomes between autogenous and xenogeneic cortical plates.","authors":"Óscar Iglesias Velázquez,&nbsp;Francisco G F Tresguerres,&nbsp;Isabel Leco Berrocal,&nbsp;Isabel F Tresguerres,&nbsp;Rosa María López-Pintor,&nbsp;Jorge Carballido,&nbsp;Juan López-Quiles,&nbsp;Jesús Torres","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate short-term clinical and radiographic outcomes of bone regeneration procedures using thin cortical porcine xenogeneic bone plates in combination with autogenous bone chips compared with thin autogenous cortical plates and autogenous bone chips.</p><p><strong>Materials and methods: </strong>A total of 19 patients (12 women and 7 men, mean age 58.24 ± 3.09 years) were randomly allocated to two different groups regarding surgical procedure: autogenous cortical plates (ACP group) and xenogeneic cortical plates (XCP group). Preoperative CBCT scans were performed for each patient. Surgical time and postoperative pain were recorded, as well as tissue healing and graft resorption after 4 months, then another surgical procedure was performed to place dental implants. Data were analysed using an analysis of covariance.</p><p><strong>Results: </strong>Twenty-one surgical procedures were performed on 19 patients (10 from the XCP group and 9 from the ACP group). The operative time was significantly lower in the XCP group (25.45 ± 3.88 minutes) than in the ACP group (44.10 ± 3.60 minutes). The XCP group also showed less pain, but not significantly less, than the ACP group. The graft resorption rate in the ACP and XCP groups was 2.03 ± 1.58% and 3.49 ± 2.38% respectively, showing no statistically significant difference.</p><p><strong>Conclusions: </strong>Despite the limited sample size and non-uniform distribution between the maxilla and mandible as surgical sites, the results suggest that XCP and ACP grafts are similar in terms of bone volume gain and graft resorption rate, with no significant differences in wound healing or complication rate. Nevertheless, the XCP group recorded lower pain levels and required significantly less operative time compared to the ACP group.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 1","pages":"41-52"},"PeriodicalIF":0.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38995212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Incidence and nature of claims against dental practitioners for dental implant treatment in Israel between 2005 and 2015.","authors":"Manar Abu Wasel,&nbsp;Nirit Tagger Green,&nbsp;Michael Saminsky,&nbsp;Eitan Barnea,&nbsp;Eitan Mijiritsky,&nbsp;Roni Kolerman","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>In recent years, dental malpractice claims have increased dramatically worldwide. The present study aimed to categorise and analyse claims related to implant dentistry that resulted in legal decisions in Israel, seeking to contribute to dental risk management and improve patient safety.</p><p><strong>Materials and methods: </strong>This study analysed legal claims registered by Medical Consultants International between 2005 and 2015. Only closed cases in which a decision was made were included. The parameters studied included patient age and sex, date of the complaint, treatment setting (private/public clinic), description of the adverse event and type of negligence claimed.</p><p><strong>Results: </strong>The cohort included 709 settled claims out of a total of 1066 that were litigated against dental practitioners in Israel during the study period. Of the patients included, 60.0% were women and 63.9% were aged 40 to 59 years. The most common treatment-related damage was neural injury in 133 patients (18.7% of the cohort). Unplanned changes in the treatment plan and violation of autonomy were the most frequent documentation-/information-related claims (66.3% and 32.7%, respectively). The legal responsibility of the dental practitioner was acknowledged in 89.0% of cases. Dental practitioners working in the private sector were more likely to be sued due to violation of autonomy than those working in public clinics.</p><p><strong>Conclusions: </strong>Although the main cause for lawsuits was actual bodily injury, the high percentage of documentation-/information-related malpractice claims calls for increased awareness of patients' autonomy and rights. Practitioners should dedicate a significant part of the entire treatment time to preoperative diagnosis and planning.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 1","pages":"57-66"},"PeriodicalIF":0.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38995213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A microcomputed tomography analysis of bone tissue after vertical ridge augmentation with non-resorbable membranes versus resorbable membranes and titanium mesh in humans.","authors":"Alessandro Cucchi,&nbsp;Elisabetta Vignudelli,&nbsp;Maria Sartori,&nbsp;Annapaola Parrilli,&nbsp;Nicolò Nicoli Aldini,&nbsp;Giuseppe Corinaldesi","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>Guided bone regeneration is a frequently used surgical procedure for hard tissue reconstruction when horizontal and or/vertical augmentation are needed. The treatment concept is based on the application of occlusive membranes like non-resorbable membranes or titanium mesh plus resorbable membranes. However, there are no studies comparing the microcomputed tomography results for bone obtained using these two procedures, and this was the purpose of the present study.</p><p><strong>Materials and methods: </strong>A total of 40 patients with vertical posterior bone mandibular atrophy were randomly assigned to group A (guided bone regeneration with titanium-reinforced polytetrafluoroethylene membrane and simultaneous implant placement) or group B (guided bone regeneration with titanium mesh and collagen membrane and simultaneous implant placement). Tissue biopsy specimens were obtained from augmented sites after 9 months for microcomputed tomography analysis of volume of interest. Bone volume (BV/TV), biomaterial volume (MatV/TV), soft tissue volume (StV/TV), trabecular thickness (TbTh), trabecular number (TbN) and trabecular separation (TbSp) were measured. The correlation between regenerated bone and native bone was also evaluated. STATA software (StataCorp, College Station, TX, USA) was utilised for statistical analysis (significance α = 0.05).</p><p><strong>Results: </strong>In group A, the values of BV/TV, MatV/TV and StV/TV in regenerated bone were 28.8%, 8.9% and 62.4%, respectively. In group B, the values of BV/TV, MatV/TV and StV/TV were 30.0%, 11.0% and 59.0%, respectively. No statistical differences were found between the two groups for any of the variables (P < 0.05). In both groups, considerable differences were noted between regenerated and native bone (P > 0.05), with a slight correlation between the microcomputed tomography parameters that suggests that native bone influences the quality of regenerated bone.</p><p><strong>Conclusions: </strong>Based on microcomputed tomography analysis, both surgical approaches facilitated the obtention of approximately 30% of newly formed bone with the same microarchitecture. Native bone influences the quality and microarchitecture of the obtained bone, irrespective of the technique used.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 1","pages":"25-38"},"PeriodicalIF":0.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38995211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of immediate versus delayed implant placement in a failed implant site: A retrospective analysis of early implant survival.","authors":"Giuseppe Troiano,&nbsp;Roberto Luongo,&nbsp;Davide Cosimo Romano,&nbsp;Matthew Galli,&nbsp;Andrea Ravidà,&nbsp;Hom-Lay Wang,&nbsp;Luigi Laino","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To compare immediate and delayed implant replacement at failed implant sites to evaluate the factors associated with early failure of second implants after replacement.</p><p><strong>Materials and methods: </strong>Data regarding early implant failure followed by replacement with another fixture in a private practice setting between 2003 and 2019 were analysed retrospectively. Early failure was defined as loss of the dental implant within 6 months of placement. The impact of patient-level (age, sex, diabetes, smoking history) and implant-level (timing of implant replacement, timing of prosthetic loading, bone grafting) variables on the early failure rate of second implants after replacement was evaluated. Due to the hierarchical structure of the data, a multivariate multilevel mixed-effects Poisson regression analysis was performed.</p><p><strong>Results: </strong>A total of 109 patients (63 men and 46 women) diagnosed with early implant failure at 124 implant sites were included in the present study. Fifty-eight implants were immediately replaced at the time of removal of the failed implant (test group), whereas 66 were replaced after a healing period of 2 to 4 months (delayed approach; control group). A total of 15 implants failed after replacement in 11 patients during the first 6 months of follow-up. Of these, nine failures (15.25%) occurred in seven patients (13.21%) after immediate replacement, and six (9.09%) occurred in four patients (7.02%) who underwent delayed replacement. No statistically significant differences were detected between the two groups (P = 0.431).</p><p><strong>Conclusions: </strong>No significant differences in implant survival at sites of previous failure were found according to the timing of implant replacement.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 1","pages":"67-76"},"PeriodicalIF":0.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38995214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Use of autogenous bone versus deproteinised bovine bone matrix in one-stage lateral sinus floor elevation in severely atrophied maxillae: A 7-year randomised controlled trial.","authors":"Mauro Merli,&nbsp;Marco Moscatelli,&nbsp;Giorgia Mariotti,&nbsp;Umberto Pagliaro,&nbsp;Marco Merli,&nbsp;Michele Nieri","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To compare 100% deproteinised bovine bone matrix grafts (DBBM, test group) and 100% autogenous bone grafts (AB, control group) for lateral maxillary sinus floor elevation in a blinded, parallel-group, randomised clinical trial.</p><p><strong>Materials and methods: </strong>Patients with 1 to 3 mm of residual bone height were randomised for sinus floor elevation with DBBM or AB grafts and simultaneous implant placement. The outcome variables were implant failure, complications, subjective satisfaction and radiographic peri-implant bone level 7 years after loading.</p><p><strong>Results: </strong>A total of 20 patients (27 implants) were randomised to the test group and 20 (32 implants) to the control group. Ten patients from the test group and seven from the control group dropped out. Two implant failures occurred in the test group, whereas none were observed in the control group (P = 0.178). One complication occurred in the test group and two were recorded in the control group (P = 1.000). The radiographic peri-implant crestal bone level was 2.5 ± 1.3 mm in the test group and 0.9 ± 0.9 mm in the control group. The difference was 1.6 mm, favouring the control group (95% confidence interval 0.7-2.6; P = 0.002). The difference in vertical bone height was -0.4 mm, favouring the control group (95% confidence interval -1.9-1.1; P = 0.590). The difference in satisfaction measured using a visual analogue scale 7 years after loading was 0.0 mm (95% confidence interval -1.0-0.0; P = 0.639).</p><p><strong>Conclusions: </strong>Differences between treatments were found for crestal bone level, favouring the control group. No differences were observed for the other variables evaluated.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 1","pages":"101-112"},"PeriodicalIF":0.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38996098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Why do some extraction sites develop medication-related osteonecrosis of the jaw and others do not? A within-patient study assessing radiographic predictors.","authors":"Hugo Gaêta-Araujo,&nbsp;André Ferreira Leite,&nbsp;Karla de Faria Vasconcelos,&nbsp;Ruxandra Coropciuc,&nbsp;Constantinus Politis,&nbsp;Reinhilde Jacobs,&nbsp;Christiano Oliveira-Santos","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Purpose: </strong>To compare radiographic predictors of medication-related osteonecrosis of the jaw in dental extraction sites.</p><p><strong>Materials and methods: </strong>Forty-one oncological patients undergoing intravenous or subcutaneous antiresorptive treatment, with a history of dental extraction visualised by panoramic imaging, were included in this retrospective study. Age-, sex- and extracted tooth-matched healthy patients who had previously undergone panoramic imaging were selected as controls (n = 57). A total of 288 extraction sites were independently evaluated by two oral and maxillofacial radiologists, who assessed eight distinct radiographic features. The radiographic features of extraction sites were noted to allow comparison between and within subjects regarding healing and osteonecrosis development. The association between radiographic findings, underlying dental disease and medication-related osteonecrosis of the jaw was also tested. The level of significance was set at 5%.</p><p><strong>Results: </strong>Patients under antiresorptive treatment presented with widening of the periodontal ligament space, thickening of the lamina dura, sclerotic bone pattern, horizontal bone loss and periapical radiolucency with bone reaction (P ≤ 0.05). Development of medication-related osteonecrosis of the jaw was associated with altered bone pattern, angular bone loss, furcation involvement and unsatisfactory endodontic treatment (P ≤ 0.05). An association between medication-related osteonecrosis of the jaw and previous dental disease was also found, particularly for periapical lesions and endodontic-periodontal disease (P ≤ 0.05).</p><p><strong>Conclusions: </strong>Radiographic predictors of further development of medication-related osteonecrosis of the jaw in extraction sites include heterogeneous bone pattern, angular bone loss and furcation involvement. Extraction sites with underlying bony changes related to endodontic and endodontic-periodontal disease are more prone to development of medication-related osteonecrosis of the jaw.</p>","PeriodicalId":73463,"journal":{"name":"International journal of oral implantology (Berlin, Germany)","volume":"14 1","pages":"87-98"},"PeriodicalIF":0.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38996097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}