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OBJECTIVE: To determine the effectiveness of preventive interventions in children who have undergone caries-related dental extractions. METHODS: Rapid review across five databases (CENTRAL, Ovid Medline, Embase, Web of Science and Scopus). Quality was assessed using the Risk of Bias 2 tool. RESULTS: Five studies were included, all randomised controlled trials involving pre-and/or post-extractions activity. Three studies involved oral health education (computer game, motivational interviewing, visual aids), one delivered clinical prevention (fissure sealants), and one an enhanced prevention programme combining additional health education and a clinical intervention (fluoride varnish). Retention was mixed (55%-80% in the intervention groups). Of the three studies measuring caries, all reported less caries development in the test group. However, only a study involving a dental nurse-delivered structured conversation, informed by motivational interviewing, showed an improvement in oral health. Two studies reporting on plaque and gingival bleeding had conflicting results. A study reporting on subsequent dental attendance did not demonstrate a clear improvement. CONCLUSION: Few published studies have explored prevention-based interventions in high caries-risk children requiring dental extractions. Whilst evidence of clinical benefit of preventive interventions in this population is limited, the potential use of contemporary behaviour change techniques appears promising. There is an urgent need for more high-quality longer-term trials using contemporary methodologies.
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OBJECTIVE: The use of extracted teeth has been introduced as an option for bone grafting. However, the current method requires special machines and solutions, posing significant time and cost. The aim of this study was to evaluate the clinical performance of autogenous raw tooth particles (RTP), a grafting material made from a ground tooth using basic equipment, for alveolar ridge preservation. MATERIALS AND METHODS: Twenty-three patients (12 study/11 control), having 14 and 13 sites were included for the study and control groups (commercially available xenograft), respectively. Radiographic measurements were taken at the baseline and the 4-month follow-up appointment. Furthermore, a questionnaire survey concerning the general preference of the type of graft to receive (if needed), before and after knowing the price, was distributed at the completion of the procedure for patients to answer. RESULTS: Alveolar ridge width change was -1.03 ± 0.64 and -0.84 ± 0.35 for the study and the control groups, respectively. Regarding the height, the study group showed a buccal and lingual change of -0.66 ± 0.48 and -0.78 ± 0.81, respectively, while this was -0.78 ± 0.56 and -0.9 ± 0.41 for the xenograft group. There was no statistically significant difference between the groups. Patients preferred the raw tooth particles over other grafting materials (p = .01). CONCLUSION: No core biopsies were taken to evaluate bone formation, which should be done in future studies. Within its limitations, the current study demonstrated that RTP graft could be an alternative graft for bone augmentation, offering a new cost-effective option for clinicians when available.
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Background: This randomized clinical trial (RCT) investigated whether hypnosis would lead to favorable outcomes in reducing anxiety, enhancing cooperation, and improving physiological responses in school-aged children undergoing tooth extraction compared to nitrous oxide/oxygen (N2O/O2) and conventional behavior guidance (CBG). Methods: Sixty-six school-aged children (mean age: 7.87 ± 1.18 years) who needed one posterior primary tooth extraction were included. Children with low-to-moderate anxiety were randomly divided into three groups (n = 22 each): hypnosis, N2O/O2, and CBG. Anxiety levels during and after anesthetic injection and tooth extraction were assessed using the Venham Clinical Anxiety Scale (VCAS) and the Venham Picture Test (VPT). Changes in heart rate (HR) and oxygen saturation (SpO2) were monitored. Children's cooperation levels were measured using the Venham Clinical Cooperation Scale (VCCS). Results: The VPT scores were significantly higher in the CBG group than in the N2O/O2 and hypnosis groups (p < 0.001). The VCAS scores in the N2O/O2 group were lower than those in the CBG group (p < 0.05) and were comparable to those in the hypnosis group. The VCCS scores were significantly higher in the CBG group than in the N2O/O2 and hypnosis groups (p < 0.05). HR changes in the N2O/O2 group were significantly lower than in the hypnosis and CBG groups (p < 0.05). No significant difference in pain was observed between the groups the day after the intervention. Conclusion: N2O/O2 inhalation and hypnosis are effective in reducing self-reported and observed anxiety and improving cooperation levels in pediatric patients during dental extraction. Moreover, the frequency of reported pain was lower in the hypnosis group compared to the other groups.
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This study identified the dental treatment modalities administered to patients undergoing dental procedures under deep sedation and examined potential relations among treatment types, age, gender and tooth types. This study protocol included data from 502 patients, including a total of 5141 teeth, who underwent dental procedures under deep sedation between October 2022 and October 2023. The dental treatments were categorized based on primary types and subtypes. Subsequently, this study examined the associations between treatment types and age, gender and tooth type. Data were analyzed using the Chi-Square test, with the significance level set at 5%. Most patients (76.9%) were aged 0-6 years, and 93.4% of the treated teeth were primary teeth. The predominant treatment was restorative therapy (61.6%), followed by extraction (27.2%), endodontic treatment (6.1%), and preventive treatment (5.1%). Among restorative materials, compomer was the most frequently applied (49.8%). Significant differences between the treatment types were observed in terms of age group and tooth type (p < 0.001 for both) but not gender (p = 0.920). Based on our findings, restorative treatments and tooth extraction are the most frequently performed procedures, whereas endodontic treatments are performed less frequently under deep sedation.
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Anestesia Dental , Sedación Profunda , Atención Dental para Niños , Humanos , Niño , Preescolar , Masculino , Femenino , Estudios Retrospectivos , Lactante , Atención Dental para Niños/métodos , Anestesia Dental/métodos , Adolescente , Restauración Dental Permanente/métodos , Extracción Dental , Factores de Edad , Factores Sexuales , Recién NacidoRESUMEN
Introduction: A multitude of variables influence the healing of tooth extraction wounds, and delayed or non-healing extraction wounds might complicate later prosthodontic therapy. In this research, we analyzed the effects of systemic clopidogrel and aspirin alone or in combination on the healing of tooth extraction wounds in mice in order to provide experimental evidence for the healing of extraction wounds in patients who are clinically treated with the two medicines. Methods: 7-week-old ICR mice were randomly divided into four groups: control group (CON), clopidogrel group (CLOP), aspirin group (ASP), and clopidogrel combined with aspirin group (CLOP + ASP); left upper first molar was extracted, after which mice in 1 week of adaptive feeding, CLOP/ASP/CLOP + ASP groups were respectively administered with clopidogrel (10 mg/kg/d), aspirin (15 mg/kg/d), clopidogrel (10 mg/kg/d)+aspirin (15 mg/kg/d), and the control group was given an equal amount of 0.9% saline by gavage. Mice in each group were euthanized at 14 and 28 days postoperatively, and the maxilla was extracted. The tissues in the extraction sockets were examined using MicroCT and sectioned for HE staining, Masson staining, and TRAP staining, and immunohistochemistry staining (for TRAP, RANKL and osteoprotegerin). Results: MicroCT analysis showed that at day 14, BS/BV was significantly lower in CLOP and CLOP + ASP groups compared to control and ASP groups, while BV/TV, Tb.Th was significantly higher. At day 28, BV/TV was significantly higher in the CLOP + ASP group compared to the CLOP group, with p < 0.05 for all results. HE staining and Masson trichrome staining findings revealed that at day 28, the mesenchyme in the bone was further decreased compared to that at day 14, accompanied with tightly arranged and interconnected bone trabeculae. In the quantitative analysis of Masson, the fraction of newly formed collagen was significantly higher in the CLOP group in comparison with that in the CON group (p < 0.05). At day 14, the ASP group had substantially more TRAP-positive cells than the CLOP and CLOP + ASP groups (p < 0.05). In immunohistochemical staining, RANKL expression was found to be significantly higher in the ASP group than those in the other three groups at day 28 (p < 0.05); OPG expression was significantly higher in the CLOP group and the CLOP + ASP group compared with that at day 14, and was higher than that in the ASP group at day 14 and day 28. OPG/RANKL was significantly higher in the CLOP and the CLOP + ASP groups than in the ASP group (p < 0.05). Conclusion: Clopidogrel alone promotes osteogenesis in the extraction wound, whereas aspirin alone inhibits alveolar bone healing. When the two drugs were combined, the healing effect of the extraction wound was more similar to that of the clopidogrel alone group. These results indicated that clopidogrel could promote the healing of the tooth extraction wound, and neutralize the adverse effect of ASP on osteogenesis when the two drugs were used in combination.
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OBJECTIVES: This retrospective study compared the outcomes of implants placed in alveolar ridge preservation (ARP) treated sites with those in spontaneously healed (SH) sites. MATERIALS AND METHODS: The study included patients presenting with one implant placed in an ARP-treated socket and one in an SH site. The primary outcome was the comparison of Marginal Bone Level Changes (MBLC). Statistical analysis was performed to identify factors influencing MBLC, including age, gender, smoking, parafunctional habits, and prosthetic emergence angle. RESULTS: Of these, 28 patients (23 females, 82.1%) were included in this analysis. Sockets in the SH group were classified as type I, whereas type II sockets were more common in the ARP group. The SH group exhibited significantly higher MBLC than the ARP group (p = 0.032), with values, respectively, of 1.00 [0.25; 1.62] and 0.40 [0.00; 1.00] mm. Among all evaluated parameters, the performance of ARP was the only factor significantly affecting MBLC (ß = -0.72, SE: 0.32, p = 0.026). Age, gender, smoking, parafunctional habits, and prosthetic emergence angle did not significantly affect MBLC. CONCLUSIONS: The study shows the potential role of ARP in maintaining stable marginal bone levels around implants. In our sample, ARP significantly reduced MBLC compared with spontaneous healing, highlighting its possible impact in clinical practice for better peri-implant bone stability.
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The masticatory organ is at the center of dental practice. Tooth loss, regarded as an organ failure, is a core dispute in our profession, as it more often than not does not happen spon-taneously but is influenced by the dentist's treatment plan. Despite the prosthetic possibili-ties of tooth replacement, efforts should be made to preserve as many teeth as possible. Decisions between tooth preservation and extraction are complex and have far-reaching consequences. This article discusses this problem using a clinical case study of a 43-year-old female patient with pronounced localized periodontitis. After a comprehensive diagnosis and treatment planning, a daring regenerative therapy was carried out to try to preserve the tooth. The case shows that even seemingly hopeless teeth can be successfully treated syn-chronously using modern therapeutic approaches. Initial literature data supports the possi-bility of preserving severely compromised teeth in the long term in compliant patients. An integrative treatment approach based on individual patient factors and modern regenerative techniques may well be a viable alternative to tooth extraction and prosthetic restoration, albeit not inexpensive and uncomplicated. This communication emphasizes the need for precise diagnostics, a comprehensive treatment plan, and honest communication with pa-tients about the prospects of success and possible risks, and highlights the strengths of con-sistent tooth preservation.
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Pérdida de Diente , Humanos , Adulto , Regeneración Tisular Guiada Periodontal/métodos , Masculino , Femenino , Planificación de Atención al PacienteRESUMEN
Background: Odontogenic cysts and tumors develop from the dental follicle of asymptomatic impacted teeth. Odontogenic tissues express the epidermal growth factor receptor family (EGFR), which mediates cell proliferation, survival, and neoplastic differentiation. The present study aimed to compare the immunohistochemical expression of EGFR and human epidermal growth factor receptor 2 (HER2) in the dental follicle of impacted wisdom teeth with normal and abnormal radiographic size. Methods: In this analytical study, immunohistochemical staining of EGFR and HER2 was performed on 30 normal and 30 abnormal follicles of impacted third molars. Follicles with a width of <2.5 mm were considered normal, whereas those with a width of ≥2.5 mm were regarded as abnormal. The immunoreactive score (IRS) was used to report the expression levels of EGFR and HER2. The obtained data were analyzed using SPSS software. Age and sex were compared in normal and abnormal groups with independent t test and Chi square test, respectively. P<0.05 was considered statistically significant. Results: The EGFR and HER2 overall expression was high in all normal and abnormal follicles. The comparison of the percentage of stained cells and intensity of EGFR and HER2 staining in normal and abnormal follicles were not significantly different (P=0.73, P=0.63, P=0.95, respectively). Conclusion: Due to the high expression of EGFR and HER2 in normal and abnormal follicles, as well as the lack of significant differences in these two groups, the radiographic size of dental follicles might not indicate the potential capabilities of their cells, and more research in this field is recommended.
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Saco Dental , Receptores ErbB , Inmunohistoquímica , Receptor ErbB-2 , Humanos , Femenino , Masculino , Receptor ErbB-2/análisis , Inmunohistoquímica/métodos , Adolescente , Adulto , Adulto Joven , Diente Impactado , Tercer MolarRESUMEN
BACKGROUND: Dental malpractice claims, which pertain to legal actions against dentists accused of clinical negligence that caused harm to patients, have increased in the past ten years in South Korea. The claims are caused by complications, particularly trigeminal nerve injuries, resulting from various dental procedures. Medicolegal issues related to trigeminal nerve injury have not been previously described in South Korea. Therefore, in this study, we aimed to identify the general, dental, and judicial characteristics of closed dental malpractice claims. METHODS: This study was designed as a descriptive study. We collected the data of 51 closed claims related to trigeminal nerve injury resulting from dental procedures such as dental implant emplacement, tooth extraction, and local anesthesia. The claims were decided by courts in South Korea between 2016 and 2023. The general, dental, and judicial characteristics of the claims were analyzed retrospectively. RESULTS: The average claim resolution period was 4.2 (range: 1.47-8.39) years post-adverse events that occurred more frequently in dental clinics (68.6 %) than in dental (25.5 %) or general hospitals (5.9 %). Inferior alveolar (66.7 %) and lingual (17.6 %) nerves were injured following dental procedures. The duty to inform was breached in 68.6 % of claims. The dental procedure performed (P < 0.001) and the injured nerve (P < 0.001) were associated with the violation of the duty to care. CONCLUSION: To improve the quality of dental care services, the analysis of the adverse events using various resources including judgments should be strongly addressed.
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Mala Praxis , Traumatismos del Nervio Trigémino , Humanos , Mala Praxis/estadística & datos numéricos , Mala Praxis/legislación & jurisprudencia , República de Corea/epidemiología , Estudios Retrospectivos , Traumatismos del Nervio Trigémino/epidemiología , Traumatismos del Nervio Trigémino/etiología , Masculino , Femenino , Adulto , Persona de Mediana Edad , Anciano , Adulto Joven , Procedimientos Quirúrgicos Orales/efectos adversos , Procedimientos Quirúrgicos Orales/legislación & jurisprudencia , Extracción Dental/efectos adversosRESUMEN
An urgent issue is the preservation or reconstruction of the volume of bone tissue in planning and surgical treatment in the fields of medicine, such as traumatology, orthopedics, maxillofacial surgery and dentistry. After tooth extraction, resorption of the bone tissue of the alveolar crest of the jaws occurs, which must either be further eliminated by performing additional operations or using osteoplastic material for socket preservation at the extraction stage. Background and Objectives: The aim of the study was a comparative analysis of various osteoplastic materials used to preserve the volume of bone tissue in the preimplantation period. Materials and Methods: As part of the study, 80 patients were treated, who underwent socket preservation using xenografts, plasma enriched with growth factors, an autologous dentin matrix (ADM) and hydroxyapatite. Results: The results of the treatment 16 weeks after removal were comprehensively analyzed using a morphometric analysis of the bone's volume, cone beam tomography and morphological examination of burr biopsy specimens, as well as by determining the stability of the installed implant at different stages of treatment. Conclusions: The lowest level of bone tissue resorption according to the CBCT data was noted in the ADM and xenograft groups. It should be noted that the use of osteoplastic material in jaw surgery when reconstructing alveolar defects is an essential procedure for preventing the atrophy of bone tissue.
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Proceso Alveolar , Dentina , Humanos , Femenino , Masculino , Persona de Mediana Edad , Proceso Alveolar/cirugía , Proceso Alveolar/diagnóstico por imagen , Adulto , Extracción Dental/métodos , Extracción Dental/efectos adversos , Aumento de la Cresta Alveolar/métodos , Tomografía Computarizada de Haz Cónico/métodos , Anciano , Pérdida de Hueso Alveolar/prevención & control , Pérdida de Hueso Alveolar/cirugíaRESUMEN
Tooth extraction is one of the oldest and most well-known surgical procedures in dental medicine. It is still routinely performed by general practitioners and dental undergraduates. The Benex extraction system allows for the extraction of teeth in a vertical direction, which avoids most trauma against surrounding alveolar bone and soft tissues. The study included 56 patients who were recruited from the Department of Oral Surgery, Medical University-Plovdiv. The patients were split into two groups of 28 patients-Group I (control group) and Group II (study group). For each group, the success of the extraction, buccal cortical plate preservation, pain experience and early wound healing were assessed. There was no statistical significance between the success of the extractions in both groups. The Benex extractions preserved the buccal cortical plate in 95% of the cases, whereas the forceps extractions preserved it in only 71.8%, which is statistically significant. On the seventh day, patients in Group II reported less pain, without a significant difference. There was a significantly bigger number of completely healed extraction wounds on the 10th day. Atraumatic extractions allow for more hard and soft tissues to be preserved in the extraction site. This is essential for a successful outcome and the aesthetically pleasing results of the following dental restoration.
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The objective of this study was to assess alterations in maxillary sinus mucosa thickness and the distances between the apexes of specific teeth and the maxillary sinus base in adult patients undergoing orthodontic treatment with the extraction of four first premolars. Twenty-one adults, averaging 24.85 years of age, received orthodontic therapy involving the extraction of all four first premolars. Cone-beam computed tomography scans were conducted before and after treatment to evaluate changes. Notably, post-treatment scans revealed a significant increase (P= 0.044) in the distance between the apex of the second premolar and the maxillary sinus floor, with an average augmentation of 1.0141 millimeters. However, no notable alterations were detected in the distances between the apexes of other teeth and the maxillary sinus or in maxillary sinus mucosa thickness. These findings suggest that orthodontic treatment with the extraction of four first premolars may elevate the distance between the maxillary sinus floor and the second premolar apex, which provides a reference for risk assessment and surgical design of first premolar extraction during orthodontic treatment.
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BACKGROUND: Alveolar osteitis(AO), one of the most common complications occurring in 1-10% of cases following tooth extraction, occurs due to the disruption of clot formation in the extraction socket. This study aims to evaluate the effect of using absorbable gelatin sponge, chlorhexidine gel, and tranexamic acid agents on the development of AO following extraction. METHODS: Between March and October 2023, the teeth of 98 healthy patients (average age: 38, range: 19-62) with extraction indications were extracted at Recep Tayyip Erdogan University, Faculty of Dentistry, Department of Oral and Maxillofacial Surgery. 113 extraction sockets(85 molars and 28 premolars) were randomly treated with absorbable gelatin sponge(AGS), chlorhexidine gel with AGS, and tranexamic acid with AGS. Pain and edema levels were recorded using visual analog scale(VAS) ranging from 0 to 10 by the patients. Additionally, presence of halitosis, trismus and exposed bone was noted on forms on 3rd and 7th days (recorded as present or absent). The study prospectively aimed to prevent AO using 3 different dental agents in the extraction sockets. Statistical analyses of the study were conducted using the SPSS software package. RESULTS: Alveolitis was observed in 12 out of 113 tooth extractions(%10.6). Pain and edema scores significantly decreased in absorbable gelatin sponge group on the 7th day (p < 0.05). Pain score on the 7th day in chlorhexidine group and age, edema score on the 7th day in tranexamic acid group, were found to be significantly higher (p < 0.05). CONCLUSION: Incidence of AO, can be reduced by placing agents in the extraction socket, preventing post-extraction pain experienced by patients. CLINICAL TRIALS ID: NCT06435832.
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Clorhexidina , Alveolo Seco , Geles , Extracción Dental , Ácido Tranexámico , Humanos , Clorhexidina/uso terapéutico , Femenino , Masculino , Adulto , Método Doble Ciego , Ácido Tranexámico/uso terapéutico , Persona de Mediana Edad , Alveolo Seco/prevención & control , Alveolo Seco/etiología , Estudios Prospectivos , Dimensión del Dolor , Esponja de Gelatina Absorbible/uso terapéutico , Antifibrinolíticos/uso terapéutico , Resultado del Tratamiento , Dolor Postoperatorio/prevención & controlRESUMEN
OBJECTIVE: The aim of the study is reducing the risks of surgical injury to the inferior alveolar nerve, by taking into account individual topographic and anatomical features, improving diagnostic methods, and techniques for removing retinated teeth with a close fit to the mandibular canal. MATERIAL AND METHODS: An examination was conducted in the Department of Surgical Dentistry (CBCT/OPG) and surgical treatment of 223 patients, with a close fit of the roots of the retinated lower third molar to the mandibular canal. Microslips of teeth with roots intact during removal (n=96) of the main group and the control group (n=52) were prepared with a Micromet Remet manual petrographic machine. The sections were carried out along the longitudinal axis of the tooth with the capture of the area of close fitting of the nerve, the teeth from the control group were sawed longitudinally along the axis of the root. The measurement of the macroanatomic features of the roots was carried out with a micrometer (MCC-MP-100 0.001 electronic «CHEESE¼, manufactured in the Russian Federation), measurements of the thickness of dentine and cement tissues on macroglyphs were carried out using a microscope calibration ruler with an accuracy of 0.01 mm. RESULTS: In the main group, three types of attachment of the mandibular canal to the root of the third molars were distinguished: 20 (96) cases of inter-root attachment of the mandibular canal, 42 (96) apical, 34 (96) lateral (buccal and lingual). A number of anomalies in the structure of the roots of the third molars have been revealed, which are a factor in injury to the neurovascular bundle of the mandibular canal during tooth extraction. The surface of the roots, as well as the microscopes of the tooth sections adjacent to the mandibular canal, were studied under a microscope. CONCLUSION: A number of specific anomalies of the roots of retinated third molars formed by root dilaceration, thinning of cement tissues, hypercementosis, which are formed at the site of the mandibular canal.In the presence of a deep indentation on the root of the tooth, as well as in the presence of areas of apical hypercementosis in the form of a «spike¼, the probability of nerve injury during tooth extraction increases many times, which must be taken into account when removing retinated third molars.
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Mandíbula , Nervio Mandibular , Tercer Molar , Raíz del Diente , Humanos , Tercer Molar/cirugía , Mandíbula/cirugía , Mandíbula/inervación , Mandíbula/anomalías , Raíz del Diente/anomalías , Masculino , Femenino , Nervio Mandibular/anatomía & histología , Adulto , Lesiones del Nervio Mandibular/prevención & control , Diente Impactado/cirugía , Extracción DentalRESUMEN
OBJECTIVE: To investigate the association between periodontitis and cardiometabolic and haemostatic parameters. MATERIALS AND METHODS: Between 2014 and 2019, 54 individuals needing full mouth extraction, and 50 control individuals, were recruited for a combined cross-sectional (individuals versus controls) and longitudinal (individuals before and after extraction) study. Periodontitis severity was measured using the periodontal inflamed surface area (PISA). Blood was drawn to measure the haemostatic (Factor VIII, von Willebrand factor [VWF], endogenous thrombin potential, d-dimer, clot lysis time) and cardiovascular risk (C-reactive protein [CRP], lipid profile) parameters, prior to and 12 weeks post-extraction. The results were analysed group-wise. RESULTS: The mean VWF and CRP levels were higher and the high-density lipoprotein levels were lower in the individuals prior to extraction compared to the controls. The VWF was significantly correlated with the PISA (a 21% unit increase in VWF per 1000 mm2 increase in PISA, 95%CI: 6-36%, p = 0.01). The other analyses were comparable between the individuals and controls, and did not change in the individuals after the extraction. CONCLUSION: VWF levels are associated with periodontitis severity; they do not improve after full-mouth extraction. Severe periodontitis in control individuals does not induce substantial changes in their haemostatic or inflammatory systems. CLINICAL RELEVANCE: Treatment of periodontitis has been shown to improve the cardiometabolic blood profile of patients with established cardiometabolic disease. However, whether periodontitis treatment improves cardiometabolic and haemostatic profiles in people without cardiometabolic disease is uncertain.
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Proteína C-Reactiva , Periodontitis , Factor de von Willebrand , Humanos , Periodontitis/sangre , Periodontitis/complicaciones , Masculino , Femenino , Estudios Transversales , Persona de Mediana Edad , Proteína C-Reactiva/análisis , Factor de von Willebrand/análisis , Factor de von Willebrand/metabolismo , Adulto , Estudios Longitudinales , Extracción Dental , Estudios de Casos y Controles , Lípidos/sangre , Hemostasis/fisiología , Enfermedades Cardiovasculares/sangre , Biomarcadores/sangre , Factor VIII/metabolismo , Factor VIII/análisisRESUMEN
Objectives: This study aimed to evaluate the association between use of direct oral anticoagulants (DOACs) and post-extraction bleeding and to quantify bleeding risk in patients receiving DOACs. Materials and Methods: The study included 293 patients who were taking DOACs and underwent tooth extraction (414 teeth). The patients were divided into those who had the extraction while taking DOACs and those who discontinued DOACs before the extraction. Bleeding complications were recorded and compared between the patient groups and types of DOACs. Results: Of the 293 patients, 12 patients (6.9%) had post-extraction bleeding. Post-extraction bleeding occurred in 12 of the 414 tooth extraction sites. Among the 246 patients who underwent dental extraction while continuing DOAC therapy, 12 patients (8.5%) had post-extraction bleeding. Among the 47 patients who underwent dental extraction after discontinuing the administration of DOACs, none reported post-extraction bleeding. There was no significant difference in the number of patients with post-extraction bleeding between the two groups (P=0.122). Conclusion: Continuing DOAC therapy during dental extraction does not increase post-extraction bleeding tendency. These results are consistent with those of previous studies.
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OBJECTIVES: We aimed to evaluate the association between antibiotic prophylaxis and adverse outcomes following tooth extraction within the Veterans Affairs Healthcare System. METHODS: We conducted a retrospective cohort study of patients undergoing dental extractions in 2015-2019. The primary exposure was antibiotic prophylaxis. The primary outcome was post-extraction complication within 7 days (e.g., alveolar osteitis and surgical site infection); the secondary outcome was subsequent medical care relating to a post-extraction oral complication within 7 days. Multivariable logistic regression models assessed the independent effect of antibiotic prophylaxis on each outcome. RESULTS: Of 385,880 visits with a dental extraction, 122,810 (31.8%) received antibiotic prophylaxis. Overall, 3387 (0.9%) experienced a post-extraction complication and 350 (0.09%) received medical care relating to a post-extraction oral complication within 7 days. In multivariable regression, diabetes was a statistically significant (p = 0.01) effect modifier of the association between antibiotic prophylaxis and post-extraction complication. Among visits for patients without diabetes, antibiotic prophylaxis was significantly associated with an increased odds of post-extraction complication (odds ratio [OR] = 1.25, 95% confidence interval [CI]: 1.13-1.38), but among visits for patients with diabetes no significant effect was observed (OR = 1.03, 95% CI: 0.92-1.15). Antibiotic prophylaxis was not significantly associated with post-extraction medical care (OR = 1.04; 95% CI: 0.83-1.30). CONCLUSIONS: In this large retrospective cohort, we observed no significant protective effect of antibiotic prophylaxis on post-extraction complications or subsequent medical care utilization in a setting with low complication rates. These data suggest that use of antibiotic prophylaxis in similar settings may need to be re-evaluated to minimize unnecessary antibiotic use.
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Background/purpose: Tooth extraction has been avoided in patients receiving antiresorptive agent (ARA) therapy. This study aimed to investigate dental findings associated with medication-related osteonecrosis of the jaw (MRONJ) development in patients. Materials and methods: First, in patients treated with high-dose ARAs, the relationship between dental findings and MRONJ development was examined. Next, in patients with MRONJ undergoing surgery, the relationship between dental findings and MRONJ occurring at a site distant from the initial site was examined. Results: MRONJ occurred in 13 of 172 patients (80 of 3725 teeth) during observation. Multiple tooth loss, periodontal ligament space enlargement, alveolar bone loss, periapical osteosclerosis, and local infection symptoms were associated with MRONJ development. Tooth extraction significantly reduced MRONJ development. Regarding other-site recurrence, new MRONJ developed at other sites in 54 of 357 patients with MRONJ (171 of 5038 teeth). Multiple tooth loss, apical lesions, periodontal ligament space enlargement, and periapical osteosclerosis were significantly associated with MRONJ development. In patients with malignant tumors, tooth extraction significantly reduced the subsequent incidence of MRONJ, while in patients with osteoporosis, there was no difference in the incidence of MRONJ between patients with and without tooth extraction. Conclusion: MRONJ was more likely to develop from teeth with local infections. Extraction of teeth with local infection in patients with malignancy may be more effective than tooth preservation in preventing MRONJ.
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BACKGROUND: To compare bone regeneration and dimensional alteration of alveolar ridge at intact and damaged extraction sockets after alveolar ridge preservation (ARP) and implant placement versus unassisted socket healing followed by guided bone regeneration (GBR) with simultaneous implant placement. METHODS: In 6 beagle dogs, 3 types of extraction sockets in the mandible were created: (1) intact sockets, (2) 1-wall defect sockets and (3) 2-wall defect sockets. The sockets were allocated to undergo either (1) ARP and implant placement 8 weeks later (ARP group) or (2) GBR with simultaneous implant placement after 8 weeks of unassisted socket healing (GBR group). After an additional healing period of 8 weeks, bone regeneration and dimensional changes were evaluated radiographically and histologically. RESULTS: GBR showed superior bone formation and greater bone gains compared to ARP, regardless of the initial extraction-socket configuration. Although ARP maintained the preexisting alveolar ridge dimensions, peri-implant bone defects were still detected at 8 weeks of follow-up. Histomorphometric analyses confirmed that GBR increased dimensions of the alveolar ridge compared to baseline, and the augmentation and bone regeneration were greater with GBR than with ARP. CONCLUSION: Early implant placement with ARP can mitigate alveolar ridge changes in the narrow alveolar ridge. However, early implant placement with simultaneous GBR creates the conditions for enhanced bone regeneration around the implant and greater ridge augmentation compared to ARP, irrespective of the extraction-socket configuration.
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Abstract: The eggshell and the eggshell membrane (ESM) are significant by-products of the poultry industry and are being utilized for various valuable purposes in health care, like soft tissue healing and pain alleviation. The aim and objective of our study are to assess the effect of the eggshell membrane on alveolar bone regeneration after tooth extraction. A total of 40 extraction sockets (bilateral) among 20 patients were assessed clinically for healing, and radiographic parameters of bone density and socket volume were assessed on CBCT at baseline, 3 months, and 6 months. Advanced platelet-rich fibrin was created from 5 ml of autologous blood from the patient and centrifuged for 15 minutes at 1500 RPM/168 RCF. The commercially available powdered form of egg shell membrane was used in the study. Based on the randomized allotment (coin-flip), A-PRF alone or A-PRF mixed with eggshell membrane was placed inside the extraction socket and was stabilized using 3-0 silk sutures. It was ob-served that wound healing was uneventful in all 20 patients. No evidence of dry sockets or allergic reactions was noted in any patient. Statistical analysis was done using the un-paired t-test and Mann-Whitney U test with SPSS version 20.0. P<0.05 was considered significant. On comparison of the mean bone density at baseline, 3 months, and 6 months, the socket density in the eggshell with the PRF group was higher compared to the control group. To conclude, eggshell membrane has good regenerative properties and excellent osteogenic capacity; therefore, it could be a useful graft due to its low cost, abundant availability, and simple application.