The maxillary incisor cannot be preserved due to non-periodontitis causes such as crown/root fracture, failed root canal treatment, or external root resorption.
Conditions
Interventions
Trial group:Trial group based on segmented rotational motion osteotomy
Control group:Control group based on conventional coronal apical linear motion osteotomy
Sponsors
Peking University Hospital of Stomatology
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Upper incisors cannot be preserved due to non-periodontitis causes such as crown/root fracture, endodontic failure, or external root resorption; 2.the extraction socket demonstrates intact socket walls; 3.Class I of Kan's classification; 4.absence of acute inflammation; 5.at least 3-5mm of alveolar bone height in the apical portion of the socket;
Exclusion criteria
Exclusion criteria: 1.Pregnancy or breastfeeding; 2.Uncontrolled diabetes (fasting blood glucose >7 mmol/L, HbA1c >7.5%); 3.Hypertension with preoperative blood pressure exceeding 160/100 mmHg; 4.Other systemic diseases affecting tissue healing; 5.Untreated periodontal disease; 6.History of bisphosphonate medication (injected or oral) affecting bone metabolism; 7.Heavy smokers or history of heavy smoking (either smoking cessation 20 cigarettes/day).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The global deviations at the implant platform; | — |
Secondary
| Measure | Time frame |
|---|---|
| The global deviations at the implant apex;Pink esthetic score;ISQ;Angular deviation;ITV;The duration of surgery;Implant dentistry core outcome set and measurement,ID- COSM; | — |
Countries
China
Contacts
Public ContactWang Miaozhen
Peking University Hospital of Stomatology
Outcome results
None listed