Evaluation of osteogenic results after application of guided bone regeneration in the maxilla anterior implant region: a 5 to 10 year retrospective study

Recruiting

• Conditions: bone graft resorption rate related to initial bone morphology, buccal bone position in arch contour, and gingival biotype in maxillary anterior region implant supported restorations; Resorption rate of bone graft material, Initial Bone Defect Angulation, Initial Bone defect depth, Gingival tissue thickness

• Registration Number: TCTR20240708011
• Lead Sponsor: o applicable

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2024-07-08
• Last Update Posted: 19 August 2024
• Study Completion: 2025-06-30

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 120

Inclusion Criteria

1. 18 years of age or older
2. dental implants in the anterior maxillary region, restored with a single or multiple crown.
3. implant-supported restoration in the anterior maxillary region.
4. severe bone deficiency in the maxillary anterior region with a remaining alveolar bone height of 4-6mmo
5. The patient requires an implant-supported fixed restoration.
6. the patient understands and actively cooperates with the treatment process and has signed the informed consent form.
7. good oral hygiene.

Exclusion Criteria

(1) Those who cannot tolerate implant surgery (due to systemic diseases such as heart disease, high blood pressure, etc., history of long-term medication) (2) Pregnant or in pregnancy
(3) Smoking more than 10 cigarettes per day
(4) Presence of physical defects that may affect the implant surgery (5) Immunocompromised patients, including HIV-infected patients
(6) Localised inflammation, including untreated periodontitis
(7) History of head and neck radiotherapy or intravenous bisphosphonate use within one year
(8) Heavy teeth grinding or clenching habits (9) Poor oral hygiene or compliance
(10) Patients who have undergone bone augmentation or soft tissue augmentation at the implant site
(11) Benign or malignant tumours in the implant area
(12) Bone deficiency diseases such as severe osteoporosis

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Bone graft material resorption, buccal bone countour, Initial bone defect angulation, Initial bone defect depth, gingival tissue thickness Postoperative Using Mimics 21.0, 3-matic research software, Trios 3Shape Implant Studio

Secondary Outcome Measures

Name	Time	Method
/A N/A N/A