Dentition defect
Conditions
Interventions
CTG Group:Implant surgery in the posterior mandibular region + simple connective tissue graft
GBR Group:Implant surgery in the posterior mandibular region + guided bone regeneration
Sponsors
The First Affiliated Hospital of Zhengzhou University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Aged>= 18 years; 2.Good oral hygiene with a full-mouth plaque index <=25% (O'Leary et al., 1972); 3.Presence of a single tooth extraction space in the posterior mandibular region (tooth positions 4 to 7); 4.Time since tooth extraction = 3 months; 5.Clinical assessment indicating a Seibert Class ? defect at the single tooth missing site (buccolingual bone defect with a normal vertical alveolar ridge height (Seibert, 1983)); 6.Implantation of a standard-sized dental implant without exposure; 7.Signed informed consent form.
Exclusion criteria
Exclusion criteria: 1.Suffering from systemic diseases; 2.Current smoker; 3.A history of periodontal disease; 4.Presence of untreated dental caries; 5.Poor compliance, unable to complete scheduled follow-up and evaluations; 6.Female patients who are pregnant.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vertical bone resorption around implants; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative visual analogue scale (VAS) score of pain in patients;REEDA scale score for wound healing;Incidence of short-term complications;VAS Score for Masticatory Function Satisfaction;VAS Score for Cleaning Convenience;OHIP-14 Scale Score for Oral Health-Related Quality of Life;PES/WES Scale Score for Aesthetic Evaluation;Implant survival rate at 1 year after restoration;Positive rate of bleeding on probing;Probing depth;Total treatment cost; | — |
Countries
China
Contacts
Public ContactTianfeng Du
The First Affiliated Hospital of Zhengzhou University
Outcome results
None listed