Table 1 Maintenance issues of elderly patients with implant treatments in dental visiting

Biological complications

• Inflammations around implants

• Reinforcement of brushing

• Mechanical cleaning (CIST: A)

• Sterilization treatment (CIST: B)

• Antibacterial agent treatment (CIST: C)

• Surgical treatment

• Poor cleaning

1. Instructions on cleaning for nursing care providers

2. Professional care and instructions on cleaning for nursing care providers

• Wounds

1. Removal of the superstructure

2. Shape of the sharp edges

• Bite wounds on others

1. Sufficient explanation of treatment

2. Treatment under the effect of antianxiety agents or antipsychotic drugs

• Accidental ingestion and aspiration

• Dental X-ray photographs of the oral cavity and X-ray photographs of the chest

Prosthetic complications

• Implant fracture

 Fracture in neck part of implant

1. Reattachment of the upper structure or attachment of a healing abutment

2. Sealing

 Fracture in stem part of implant

• Remove (follow-up of osseointegrated implants)

• Screw loosening or fracture

 Screw loosening

1. Re-fastened

2. Removal of the superstructure → sealing

3. Follow-up

 Screw fracture

1. Remove

2. Sealing

• Fracture in facing part

 Anterior teeth

• Conventional repair

 Molar teeth

• Shape of the sharp edges

• Loss of temporary sealing on access hole

• Selection of hard type temporary sealing material

• Lack of retention of the prosthesis

1. Occlusal adjustment

2. Removal of the superstructure → sealing

3. Cementation