The clinical trial of immediate loading using permanent restorations of single posterior dental implants

Status

Recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2500095825

Enrollment

Unknown

Registered

2025-01-14

Start date

2021-07-02

Completion date

Unknown

Last updated

2025-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

dentition defect

Interventions

Test Group:Immediate loading with permanent restorations within one week after implant placement

Control Group:Conventioal loading using permanent restorations 3 months after implant implantation

Eligibility

Sex/Gender

All

Age

20 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1) A single posterior tooth (premolar, molar) is missing, and the jaw is either a natural tooth or a fixed restoration; 2) The coverage relationship is normal; 3) No adjacent teeth have caries, no periodontal disease, no mucosal disease, no habit of night grinding or clenching teeth, and good oral hygiene; 4) Three months or more after tooth extraction, the extraction site has fully healed; 5) The available bone height allows for the implantation of implants with a length of at least 10 mm; 6) Bone mass: Type I-III bones; 7) Adequate keratinized gingival width (postoperative buccal keratinized gingival width >= 2 mm); 8) The final implantation torque of the implant is >= 40 N · cm; 9) The stability coefficient (ISQ) value after implant placement is >= 70; 10) Age range from 18 to 75 years old; 11) No systemic diseases, overall good condition; 12) The patient is able to complete at least one year of follow-up and follow up on time.

Exclusion criteria

Exclusion criteria: ?1) There is acute inflammation in the oral cavity; 2) The planting site needs to undergo soft and hard tissue increment; 3) Untreated periodontal disease patients; 4) Severe nocturnal bruxists; 5) Heavy smoking (>= 10 cigarettes) or excessive drinking; 6) Systemic diseases that affect soft tissue healing and osseointegration (such as uncontrolled diabetes, osteoporosis, etc.); 7) Taking bisphosphonates or anticoagulant drugs; 8) Pregnant or lactating women.

Design outcomes

Primary

Measure	Time frame
marginal bone loss;gingival index;modified plaque index;	—

Countries

China

Contacts

Public ContactHe Mengxiao

Jilin University Stomatological Hospital

mengwy@jlu.edu.cn+86 189 4336 7778

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026