Severely atrophic alveolar ridge with partial edentulism
Conditions
Interventions
Conventional alveolar ridge group:None
Severely atrophic alveolar bone group:None
Sponsors
Zhejiang Provincial People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Age > 18 years; 2.Absence of one or more posterior maxillary teeth, with a healed edentulous site for more than 3 months; 3.Undergoing lateral window maxillary sinus floor elevation with simultaneous implant placement; 4.Complete clinical documentation, including detailed surgical records; 5.Availability of CBCT imaging data obtained preoperatively (T0), immediately postoperatively (T1), and at 6 months postoperatively (T2);
Exclusion criteria
Exclusion criteria: 1.Presence of preoperative maxillary sinus pathology, including acute or chronic maxillary sinusitis, sinus membrane thickening > 5 mm, or intrasinus cysts or polyps; 2.Inadequate CBCT image quality, with severe artifacts or imaging defects that precluded accurate two-dimensional or three-dimensional measurements; 3.Untreated periodontitis or poor oral hygiene; 4.Poor compliance, including inability to attend scheduled follow-up visits or incomplete clinical records; 5.Heavy smoking (> 20 cigarettes per day); 6.Requirement for additional vertical or horizontal bone augmentation procedures other than lateral window maxillary sinus floor elevation; 7.Marked heterogeneity in residual bone height within the same maxillary sinus, with planned implant sites exhibiting mixed RBH values (= 3–6 mm);
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Implant survival rate;Bone graft material volume;Implant apical bone height and height changes;Implant survival rate;The restoration survival rate;Changes in mucosal thickness;Intraoperative and postoperative complications; | — |
Secondary
| Measure | Time frame |
|---|---|
| The height of the bone increment in the maxillary sinus is the height change;Endo-sinus bone gain;Apical bone height; | — |
Countries
China
Contacts
Public ContactYude Ding
Zhejiang Provincial People's Hospital
Outcome results
None listed