[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"leadSponsorName\":\"The Dental Hospital of Zhejiang University School of Medicine\",\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:":269},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,11,0,[8,40,65,86,106,128,148,171,188,217,242],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":4,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":28,"lastUpdatePostDateStruct":29,"startDateStruct":32,"completionDateStruct":34,"leadSponsor":36,"locationsCount":39},"100622844","in-vivo-study-on-the-material-properties-of-iroot-sp-and-nroot-sp-root-canal-sealers-100622844",false,"NCT07388901","In Vivo Study on the Material Properties of iRoot SP and nRoot SP Root Canal Sealers","Randomized Controlled Trial of iRoot SP (Injectable Root Canal Sealer Paste) and nRoot SP (ENPUNUO Root Canal Sealer Paste) in Patients With Chronic Apical Periodontitis","Inclusion Criteria:\n\n* Age ≥ 18 years.\n* Diagnosis of apical periodontitis conforming to the diagnostic criteria in Endodontics.\n* The affected tooth is deemed restorable upon evaluation, with non-vital pulp requiring extirpation.\n* The affected tooth is a single tooth with a fully developed apical foramen.\n* No root resorption and no significant morphological variation of the root canal.\n* The affected tooth is undergoing primary root canal treatment.\n* Periapical radiolucency with a diameter of 1-5 mm and no peripheral sclerotic border observed on preoperative radiographs.\n* Patient is in normal mental state, conscious, and capable of normal communication.\n* Patient has provided informed consent.\n\nExclusion Criteria:\n\n* Patients with alveolar bone loss exceeding one-third of the root length.\n* Affected teeth with root fracture, root canal obstruction, calcification, or root surface caries.\n* Patients with severe systemic diseases (e.g., osteoporosis, mental disorders, hepatic or renal insufficiency).\n* Patients who have taken analgesics, immunosuppressants, or antibiotics within one week prior to enrollment.\n* Patients with concurrent periapical cysts, oral tumors, or other oral diseases.\n* Pregnant or lactating patients.\n* Patients with dental phobia, severe gag reflex, limited mouth opening, or poor compliance.\n* Patients with a known allergy to the root canal sealer materials.","ALL","18 Years",{"count":19,"type":20},160,"ESTIMATED","INTERVENTIONAL",[23],"NA","A randomized controlled trial was conducted to compare the treatment efficacy of iRoot SP and nRoot SP Root Canal Sealer Materials in patients with chronic apical periodontitis.",[26],"Chronic Apical Periodontitis","RECRUITING","2026-04-13",{"date":30,"type":31},"2026-04-15","ACTUAL",{"date":33,"type":31},"2025-05-27",{"date":35,"type":20},"2027-06-30",{"name":37,"class":38},"The Dental Hospital of Zhejiang University School of Medicine","OTHER",1,{"id":41,"slug":42,"hasResults":11,"nctId":43,"briefTitle":44,"officialTitle":45,"acronym":4,"eligibilityCriteria":46,"healthyVolunteers":47,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":48,"targetDuration":4,"studyType":21,"phases":50,"briefSummary":51,"conditions":52,"keywords":4,"overallStatus":56,"whyStopped":4,"lastUpdateSubmitDate":57,"lastUpdatePostDateStruct":58,"startDateStruct":60,"completionDateStruct":62,"leadSponsor":64,"locationsCount":39},"100618626","site-preservation-was-performed-through-an-open-healing-oral-restorative-membrane-100618626","NCT07334067","Site Preservation Was Performed Through an Open Healing Oral Restorative Membrane","The Application and Efficacy of Dental Prosthesis Membrane in the Preservation of Anterior Esthetic Area After Tooth Extraction","Inclusion Criteria:\n\n* 1: Age ≥18 years old\n\n  2: The affected teeth did not have the conditions for immediate implant placement: thin gingival biotype, labial bone plate thickness \\\u003C1 mm, the labial bone plate was missing, the distance between the labial bone plate crest and the cemento-enamel junction\\>3 mm\n\n  3: No systemic diseases and good oral hygiene\n\n  4: Be willing to receive treatment and regular follow-up and review, and signed the informed consent\n\nExclusion Criteria:\n\n* 1: Uncontrolled systemic diseases, such as heart, liver and kidney diseases, systemic infections, diabetes, etc\n\n  2: Women who are pregnant or lactating\n\n  3: Taking bisphosphonates, glucocorticoids and other drugs that affect bone metabolism for a long time or within 5 years\n\n  4: Patients receiving oral and maxillofacial radiotherapy in the past five years\n\n  5: Patients suffering uncontrolled periodontal disease",true,{"count":49,"type":20},40,[23],"In this study, an open healing oral restoration membrane was used for site preservation in the esthetic area after tooth extraction to maintain the space for tooth extraction and bone formation. Clinical observation and cone-beam computed tomography (CBCT) were used to comprehensively evaluate the effect of this operation on promoting the growth of soft and hard tissues, and to provide a new treatment method for site preservation in the esthetic area of clinical anterior teeth.",[53,54,55],"Site Preservation","Soft Tissue Healing","Anterior Dental Aesthetic Area","NOT_YET_RECRUITING","2025-12-30",{"date":59,"type":31},"2026-01-12",{"date":61,"type":20},"2025-12-15",{"date":63,"type":20},"2026-12-30",{"name":37,"class":38},{"id":66,"slug":67,"hasResults":11,"nctId":68,"briefTitle":69,"officialTitle":69,"acronym":4,"eligibilityCriteria":70,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":71,"enrollmentInfo":72,"targetDuration":4,"studyType":74,"phases":4,"briefSummary":75,"conditions":76,"keywords":4,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":78,"lastUpdatePostDateStruct":79,"startDateStruct":81,"completionDateStruct":83,"leadSponsor":85,"locationsCount":39},"100602508","the-impact-of-the-adequacy-of-keratinized-mucosa-on-peri-implant-tissue-health-and-patient-reported-outcomes-100602508","NCT07124416","The Impact of the Adequacy of Keratinized Mucosa on Peri-implant Tissue Health and Patient-reported Outcomes","Inclusion Criteria:\n\n* Individuals aged 18 to 70 years (inclusive of 18 and 70 years), of any gender;\n* Patients who have undergone dental implant restoration是（single crown or fixed bridge restorations） at the Stomatology Hospital, Zhejiang University School of medicine and have had their final restoration for at least 6 months;\n* Patients who voluntarily participate and sign the informed consent form after being fully informed, and who cooperate with relevant examinations.\n\nExclusion Criteria:\n\n* Patients who are unwilling to participate in the follow-up of this study for various reasons","90 Years",{"count":73,"type":20},150,"OBSERVATIONAL","This study aims to conduct a cross-sectional study to compare the differences in clinical indices, patient-reported outcomes, and levels of inflammatory factors in peri-implant gingival crevicular fluid between sites with adequate (≥ 2 mm) and inadequate (\\\u003C 2 mm) keratinized mucosa after implant restoration, in order to explore the impact of the presence of keratinized mucosa on peri-implant soft and hard tissue health.",[77],"Edentulous Alveolar Ridge","2025-08-08",{"date":80,"type":31},"2025-08-15",{"date":82,"type":31},"2025-07-10",{"date":84,"type":20},"2026-12",{"name":37,"class":38},{"id":87,"slug":88,"hasResults":11,"nctId":89,"briefTitle":90,"officialTitle":90,"acronym":4,"eligibilityCriteria":91,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":92,"targetDuration":4,"studyType":21,"phases":94,"briefSummary":95,"conditions":96,"keywords":4,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":98,"lastUpdatePostDateStruct":99,"startDateStruct":101,"completionDateStruct":103,"leadSponsor":105,"locationsCount":39},"100599721","clinical-effects-of-keratinized-mucosa-augmentation-around-dental-implant-with-free-gingival-graft-in-different-surgical-timing-at-mandibular-posterior-sites-100599721","NCT07088172","Clinical Effects of Keratinized Mucosa Augmentation Around Dental Implant With Free Gingival Graft in Different Surgical Timing at Mandibular Posterior Sites","Inclusion Criteria:\n\n* Age ≥ 18 years, gender unrestricted;\n* partially edentulous in the mandible posterior area, planned for implant-supported fixed restoration;\n* Buccal keratinized mucosa width at the implant site is less than 2mm, with the transplantation area not exceeding 2 teeth;\n* No soft tissue augmentation performed at the site prior to surgery;\n* Overall health is good, with no systemic diseases that may affect bone metabolism or wound healing;\n* Good periodontal condition, no progressive alveolar bone resorption, no periodontal abscess;\n* Smoking ≤ 10 cigarettes per day.\n\nExclusion Criteria:\n\n* Uncontrolled metabolic diseases;\n* Severe periodontal disease, with unstable periodontal condition;\n* Smoking \\> 10 cigarettes per day;\n* Unwilling to participate in the follow-up of this study;\n* Other conditions that do not meet the requirements for implant treatment.",{"count":93,"type":20},24,[23],"This study aims to compare clinical outcomes and tissue stability at implant sites in the mandibular posterior region with insufficient buccal keratinized gingiva. It will assess the use of free gingival grafts either before or during the second stage of implant surgery.",[97],"Edentulous Alveolar Ridge In Mandible","2025-07-25",{"date":100,"type":31},"2025-07-28",{"date":102,"type":31},"2024-05-23",{"date":104,"type":20},"2027-01",{"name":37,"class":38},{"id":107,"slug":108,"hasResults":11,"nctId":109,"briefTitle":110,"officialTitle":110,"acronym":4,"eligibilityCriteria":111,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":71,"enrollmentInfo":112,"targetDuration":4,"studyType":21,"phases":113,"briefSummary":114,"conditions":115,"keywords":4,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":119,"lastUpdatePostDateStruct":120,"startDateStruct":122,"completionDateStruct":124,"leadSponsor":126,"locationsCount":127},"100599007","effect-of-bone-augmentation-simultaneous-to-implant-removal-on-the-prognosis-of-reimplantation-at-the-same-site-100599007","NCT07078890","Effect of Bone Augmentation Simultaneous to Implant Removal on the Prognosis of Reimplantation at the Same Site","Inclusion Criteria:\n\n* 1\\. Age greater than 18 years 2. Implant failure requiring removal 3. Plan to reimplant in the same site 4. Periodontal health, or stabilized periodontitis after treatment\n\nExclusion Criteria:\n\n* 1\\. Uncontrolled metabolic diseases 2. Taking medications that have an effect on bone metabolism 3. The implant has detached at the time of consultation 4. Do not consent to reimplant in the same site 5. Unwillingness to participate in the follow-up of this study 6. Other conditions that do not qualify for implant therapy",{"count":49,"type":20},[23],"The aim of this study was to investigate the effect of bone augmentation simultaneous to implant removal on the prognosis of reimplantation at the same sites, providing recommendations for management strategies after failed implant removal.",[116,117,118],"Implant Failure","Bone Augmentation","Prognosis","2025-07-13",{"date":121,"type":31},"2025-07-22",{"date":123,"type":31},"2025-03-12",{"date":125,"type":20},"2027-08",{"name":37,"class":38},3,{"id":129,"slug":130,"hasResults":11,"nctId":131,"briefTitle":132,"officialTitle":132,"acronym":4,"eligibilityCriteria":133,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":71,"enrollmentInfo":134,"targetDuration":4,"studyType":74,"phases":4,"briefSummary":136,"conditions":137,"keywords":4,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":140,"lastUpdatePostDateStruct":141,"startDateStruct":143,"completionDateStruct":145,"leadSponsor":147,"locationsCount":39},"100593290","the-study-on-the-accuracy-of-peri-implant-probing-and-related-influencing-factors-100593290","NCT07004517","The Study on the Accuracy of Peri-implant Probing and Related Influencing Factors","Inclusion Criteria:\n\n1. Age greater than 18 years.\n2. The implant has completed osseointegration and has undergone final restoration for at least one month.\n3. The final restoration needs to be removed or retrieved for various reasons.\n\nExclusion Criteria:\n\n* Patients with serious systemic diseases, severe intraoral infections, severe mental disorders, pregnancy\u002Flactation in women, or other conditions that make oral treatment operations unsuitable.\n* History of crown removal or re-restoration within the past month prior to the visit.\n* The prosthesis has fallen off or is severely damaged and has lost its original form before the visit.\n* The prosthesis cannot be completely removed.\n* Refusal to participate in this study.",{"count":135,"type":20},83,"The aim of the diagnostic accuracy study was to compare the diagnostic accuracy of probing depth before (PPD-1) and following (PPD-2) the removal of prothesis in identifying the presence of peri-implantitis and assess the factors influencing peri-implant probing.",[138,139],"Peri-Implantitis","Diagnosis","2025-05-26",{"date":142,"type":31},"2025-06-04",{"date":144,"type":31},"2024-01-11",{"date":146,"type":20},"2025-08",{"name":37,"class":38},{"id":149,"slug":150,"hasResults":11,"nctId":151,"briefTitle":152,"officialTitle":153,"acronym":4,"eligibilityCriteria":154,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":155,"enrollmentInfo":156,"targetDuration":4,"studyType":21,"phases":158,"briefSummary":159,"conditions":160,"keywords":4,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":163,"lastUpdatePostDateStruct":164,"startDateStruct":166,"completionDateStruct":168,"leadSponsor":170,"locationsCount":39},"100461370","efficacy-of-collagen-sponge-on-palatal-wound-healing-100461370","NCT05287763","Efficacy of Collagen Sponge on Palatal Wound Healing","Efficacy of Collagen Sponge on Palatal Wound Healing: a Randomized Controlled Clinical Trial","Inclusion Criteria:\n\n1. Age ≥ 18 years\n2. Clinical indications utilizing free gingival grafts or de-epithelialized gingival grafts to treat either insufficient keratinized tissue or gingival recession defects\n3. Full-mouth plaque score and full-mouth bleeding score lower than 20%\n\nExclusion Criteria:\n\n1. Smoking\n2. Pregnancy or lactation\n3. Untreated periodontal disease\n4. Severe systemic conditions that contraindicate surgery (diabetes, heart disease, cancer etc.)\n5. Presence of coagulation disorders (history of Haemophilia, von Wille-brand disease, or anticoagulant therapy)\n6. Taking medications affecting periodontal health or healing\n7. Previous surgery for a palate graft harvested from the experimental sites","70 Years",{"count":157,"type":20},32,[23],"The aim of this study is to compare the efficacy of collagen sponge and gelatin sponge on the palatal wound healing and postoperative pain following gingival graft harvesting.",[161,162],"Gingival Recession","Inadequately Attached Gingiva","2024-08-06",{"date":165,"type":31},"2024-08-07",{"date":167,"type":31},"2022-04-30",{"date":169,"type":20},"2026-04-30",{"name":37,"class":38},{"id":172,"slug":173,"hasResults":11,"nctId":174,"briefTitle":175,"officialTitle":176,"acronym":4,"eligibilityCriteria":177,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":155,"enrollmentInfo":178,"targetDuration":4,"studyType":21,"phases":180,"briefSummary":181,"conditions":182,"keywords":4,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":163,"lastUpdatePostDateStruct":184,"startDateStruct":185,"completionDateStruct":186,"leadSponsor":187,"locationsCount":39},"100453719","efficacy-of-collagen-sponge-versus-collagen-membrane-on-ridge-preservation-of-periodontally-compromised-teeth-100453719","NCT05188196","Efficacy of Collagen Sponge Versus Collagen Membrane on Ridge Preservation of Periodontally Compromised Teeth","Efficacy of Collagen Sponge Versus Collagen Membrane in Combination With Collagenated Bovine Bone Mineral on Ridge Preservation of Compromised Extraction Sockets in Periodontitis Patients: a Randomized Controlled Clinical Trial","Inclusion Criteria:\n\n1. Age ≥ 18 years\n2. Need for molar extraction due to periodontal disease and plan for late implantation\n3. No acute infection, such as abscess or effusion\n4. Presence of bone defects on at one or two socket walls, where the height of the horizontal (suprabony) component of the defect (alveolar bone crest - cement-enamel junction) is \\>50% of the corresponding root length and the bone height of socket walls is at least 3 mm\n5. Presence of one adjacent tooth to the extraction site\n\nExclusion Criteria:\n\n1. Smoking\n2. Pregnancy or lactation\n3. Untreated periodontal disease\n4. Severe systemic conditions that contraindicate surgery (such as diabetes, heart disease, cancer etc.)\n5. Under radiotherapy\n6. Systemic disease or medication that influences bone metabolism and mucosal healing (such as immunosuppressants, phenytoin, bisphosphonates etc.)\n7. Extraction of multiple adjacent teeth\n8. Allergy to any of the materials used in the study",{"count":179,"type":20},36,[23],"The study aims to evaluate the efficacy of ridge preservation with collagen sponge or collagen membrane in combination with collagenated bovine bone mineral in extraction sockets of periodontally diseased teeth.",[183],"Periodontitis",{"date":165,"type":31},{"date":167,"type":31},{"date":169,"type":20},{"name":37,"class":38},{"id":189,"slug":190,"hasResults":11,"nctId":191,"briefTitle":192,"officialTitle":193,"acronym":194,"eligibilityCriteria":195,"healthyVolunteers":47,"sex":16,"minAge":196,"maxAge":197,"enrollmentInfo":198,"targetDuration":4,"studyType":21,"phases":200,"briefSummary":201,"conditions":202,"keywords":206,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":209,"lastUpdatePostDateStruct":210,"startDateStruct":212,"completionDateStruct":214,"leadSponsor":216,"locationsCount":39},"100550616","the-application-of-root-analogy-implant-in-immediate-implantation-100550616","NCT06449391","The Application of Root Analogy Implant in Immediate Implantation","A Clinical Exploratory Study of Root Analogy Implant","RAI","Inclusion Criteria:\n\n* Age:20-60 years old, gender unlimited\n* Good oral hygiene\n* No systemic diseases\n* There are irreparable residual roots, no obvious apical periodontitis, no looseness greater than degree II, and the tooth position includes four quadrant anterior teeth and premolars\n* Root length greater than 10 mm, and no significant bone resorption at the alveolar crest\n* There is no significant displacement of adjacent teeth and no significant elongation of opposing teeth\n* The bone density of the target implant area is Class II and Class III\n* The lateral bone wall of the lips (cheeks), palate (tongue) is intact and larger than 1mm\n* The subjects are able to understand the purpose of the experiment, willing to -cooperate with surgical treatment and follow-up, voluntarily participate in the experiment, and sign an informed consent form.\n\nExclusion Criteria:\n\n* Patients with moderate to severe periodontitis\n* Missing proximal and distal adjacent teeth in the target residual root\n* Residual roots with root adhesion\n* The target implant area has a bone density of Class I or IV\n* Acute infectious disease or metabolic bone disease activity period\n* Patients with diabetes history and poor blood glucose control (fasting blood glucose ≥ 8.8 mmol\u002FL L)\n* Patients with liver and kidney dysfunction (AST, ALT ≥ 1.5 times ULNULN, creatinine ≥ 1.5 times ULNULN)\n* Individuals with a history of osteoporosis\n* Individuals with a history of malignant tumors or other serious illnesses who are not suitable for surgery\n* Individuals with mental disorders and lack of autonomous behavior ability Pregnant women, lactating or menstruating women, and women with pregnancy plans within six months\n* Various possible causes of imaging artifacts in the surgical area\n* Receiving medication that may affect bone metabolism (such as bisphosphonates) within the past 3 months\n* The researchers estimate poor compliance or other factors that are not suitable for conducting this experiment.","20 Years","60 Years",{"count":199,"type":20},10,[23],"The current clinical implant techniques used include immediate implantation, early implantation, and delayed implantation. With the acceleration of the current pace of life, immediate implantation is increasingly favored by patients due to its advantages such as fewer surgeries, shorter waiting times, and less impact on aesthetics. The research group has shown that the mismatch between traditional implants and extraction sockets in immediate implantation surgery has caused some complications. Therefore, it is believed that 3D printed personalized root shaped implants with certain roughness are more suitable for use in immediate implantation surgery.",[203,204,205],"Dental Implantation","Dental Implants","Osseointegration",[207,208],"root analogy implant","Immediate implantation","2024-06-06",{"date":211,"type":31},"2024-06-10",{"date":213,"type":31},"2024-04-01",{"date":215,"type":20},"2026-06-30",{"name":37,"class":38},{"id":218,"slug":219,"hasResults":11,"nctId":220,"briefTitle":221,"officialTitle":222,"acronym":4,"eligibilityCriteria":223,"healthyVolunteers":47,"sex":16,"minAge":17,"maxAge":155,"enrollmentInfo":224,"targetDuration":4,"studyType":21,"phases":226,"briefSummary":227,"conditions":228,"keywords":230,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":236,"lastUpdatePostDateStruct":237,"startDateStruct":238,"completionDateStruct":240,"leadSponsor":241,"locationsCount":39},"100469958","clinical-efficacy-of-nobel-parallel-cc-implants-with-on1-abutment-in-posterior-area-participants-100469958","NCT05399589","Clinical Efficacy of Nobel Parallel CC Implants With on1 Abutment in Posterior Area Participants","Clinical Efficacy of Nobel Parallel CC Implants With on1 Abutment in Posterior Area Participants Participants: Fuming He, Jimin Jiang, Hongye Lu To Evaluate the Long-term Efficacy of on1 Abutment Produced by Nobel Biocare Manufacturer","The inclusion criteria were as follows:\n\n1. At least eighteen years old without any medical contraindications, able to tolerate dental implant surgery;\n2. Planned to implant with Nobel Parallel CC™ in the maxillary or mandible posterior tooth regions with single-implant-prosthesis design;\n3. No requirement for further bone augmentation;\n4. Sufficient space to place the abutment and future prosthesis;\n5. Adhere to follow-up.\n\nThe exclusion criteria were as follows:\n\n1. Uncontrolled systematic diseases (blood pressure \\>180\u002F100 mmHg, fasting blood glucose \\>8.88 mmol\u002FL, myocardial infarction in six months, cardiac function class III to IV, third- or second-degree II atrioventricular block, and double bundle branch block et al.);\n2. Using drugs such as bisphosphonates within three months;\n3. Heavy smoker (≥ 10 cigarettes per day), alcoholism, and drug abuse;\n4. Uncontrolled periodontitis;\n5. Implant site infection;\n6. Pregnancy or lactation;\n7. Severe malocclusion.",{"count":225,"type":20},48,[23],"1. Research background NobelBiocare manufacture put forward a new abutment called on1. This concept is based on a two-stage abutment in which the on1 abutment is placed directly on the implant during surgery and will not be disconnected since then. At present, there are very a few clinical prospective studies about clinical effect of Nobelparallel CC implant combined with on1 abutment.\n2. Research objective This study will evaluate the clinical efficacy of Nobel parallel with on1 abutment compared to traditional healing cap in posterior teeth in a short term(one year) and long trem (five year) follow-up.\n3. Study design and methods:\n\nDesign type: prospective clinical study. Study duration: 5 years Start time: From the date of adoption of ethics. End time: 2026. Follow up examination: Panoramic images will be taken at all times to measure the marginal bone level of the implant. Clinical examination and questionnaire survey will be conducted to obtain the implant conditions and patients' satisfaction. Periodontal indexes such as keratinized gingival width, plaque index, gingival index, bleeding on probe, probing depth of peri-implant tissue will be evaluate.",[229],"Mechanical Failure of Dental Implant Nos",[231,232,233,234,235],"Dental implants","One abutment one time","Submerged healing","Bone Remodeling","Definitive abutment","2024-03-28",{"date":213,"type":31},{"date":239,"type":31},"2021-09-27",{"date":63,"type":20},{"name":37,"class":38},{"id":243,"slug":244,"hasResults":11,"nctId":245,"briefTitle":246,"officialTitle":247,"acronym":4,"eligibilityCriteria":248,"healthyVolunteers":47,"sex":16,"minAge":17,"maxAge":249,"enrollmentInfo":250,"targetDuration":4,"studyType":21,"phases":252,"briefSummary":253,"conditions":254,"keywords":257,"overallStatus":27,"whyStopped":4,"lastUpdateSubmitDate":261,"lastUpdatePostDateStruct":262,"startDateStruct":264,"completionDateStruct":266,"leadSponsor":268,"locationsCount":39},"100463522","clinical-application-strategies-of-maxillary-sinus-buccal-bony-window-100463522","NCT05315791","Clinical Application Strategies of Maxillary Sinus Buccal Bony Window","Clinical Application Strategies of Maxillary Sinus Buccal Bony Window With Different Residual Bone Heights in Lateral Maxillary Sinus Floor Elevation","Inclusion Criteria:\n\n* A single maxillary posterior tooth was missing, and the missing time was ≥ 3 months\n* Gingival distance ≥ 4mm\n* Residual bone height ≤ 5mm and residual bone width ≥ 6mm\n* Good systemic health\n* CBCT image was complete and clear, and there was no obvious artifact affecting the measurement\n* Informed consent.\n\nExclusion Criteria:\n\n* Untreated diabetes or other serious systemic diseases\n* Untreated periodontal disease\n* Uncontrolled periapical lesions of adjacent teeth\n* Certain bone diseases such as osteoporosis and osteosclerosis\n* Severe night bruxism\n* Mental illness\n* Pregnant or breast-feeding patients.","80 Years",{"count":251,"type":20},60,[23],"Through randomized controlled trials, investigators will recruit participants who need maxillary sinus floor elevation with different residual bone height, and utilize the maxillary sinus buccal bony window during the surgery. Then investigators will gather the related information of participants, collect and analyze their CBCT data, in order to help surgeons select the best operating method for different patients.",[255,256],"Sinus Floor Augmentation","Maxillary Sinus",[258,259,260],"maxillary sinus floor elevation","CBCT","RCT","2022-03-30",{"date":263,"type":31},"2022-04-07",{"date":265,"type":31},"2022-03-10",{"date":267,"type":20},"2032-12-31",{"name":37,"class":38},""]