Dentition defects
Conditions
Interventions
control group:Post-extraction soft tissue enhancement using autologous palatal soft tissue grafts
test group:The test group used a collagen matrix (mucograft) for post-extraction soft tissue enhancement
Sponsors
Beijing Stomatological Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1) Single maxillary anterior tooth requiring extraction due to dental caries, pulpal complications, trauma, or other conditions rendering the tooth non-restorable, where implant-supported restoration is selected as the treatment option, and natural teeth are present on both adjacent sides; 2) Patients aged 18 to 65 years, regardless of gender; 3)Good oral hygiene, with plaque index (PI) < 2 and bleeding on probing (BOP) at < 20% of sites;
Exclusion criteria
Exclusion criteria: 1) Active or uncontrolled periodontal disease (probing depth >= 4mm), or acute infection at the target site; 2) Smoking (> 10 cigarettes/day); 3) Contraindications for surgical procedures or history of head and neck radiotherapy, or uncontrolled systemic diseases (such as diabetes), systemic conditions or medications affecting soft and hard tissue healing (such as bisphosphonate therapy); 4) Pregnant or lactating women; 5) Individuals with mental or intellectual disabilities.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Clinical Aesthetic Indicators; | — |
Primary
| Measure | Time frame |
|---|---|
| Lateral lip marginal bone level;Thickness of the lateral labial plate;Lateral lip at the level of the central mucosa;Lateral lip keratinized gingival width;Lateral lip keratinized gingival thickness;Lateral Labial Soft Tissue Blood Perfusion Levels;The ratio of type I collagen/type III collagen in labial gingiva;Patient satisfaction (VAS); | — |
Countries
China
Contacts
Public ContactYang Tao
Beijing Stomatological Hospital, Capital Medical University
Outcome results
None listed