Materials & methods : A study on peri‐implant complications in implants (3)|palmerah.implantgigi.com

Materials & methods : A study on peri‐implant complications in implants (3)

author: Andrea Pandolfi,Francesca Rinaldo,Debora Pasqualotto, Fabiola Sorrentino,Giuseppe La Torre,Fabrizio Guerra | publisher: drg. Andreas Tjandra, Sp. Perio, FISID

Successful tissue integration was examined using predefined criteria of success, as follows:

Absence of persistent subjective complaints, such as pain, foreign body sensation and/or dysesthesia.
Absence of implant mobility.
Absence of continuous radiolucency around the implant.
Implant prosthesis functional loading ≥1 year.
Absence of exude or suppuration at acupressure of peri‐implant mucosa.
Probing depth ≤5 mm, absence of bleeding on probing and/or suppuration, and radiographic evidence of bone loss ≤2 mm.
Marginal bone level change (MBLC) between 0.5 and 2 mm within the first 5 years of loading.

2.3 Surgical treatment protocol

2.3.1 Pretreatment

At baseline, patients’ anamnesis data such as sex, age, medical history, and smoking habits were collected; all patients were clinically and radiographically examined. The BOP and PD were assessed with a periodontal probe. Suppuration was assessed through acupressure before probing.

All patients received initial causal therapy, depending on the periodontal condition (motivation and oral hygiene instructions or scaling and root planing). Surgery was performed only after evidence of full compliance and motivation (PI ≤20% and BOP ≤20%). All patients received antibiotic coverage for 1 week starting from the day before surgery. Therefore, no patient had active periodontal disease.

2.3.2 Implant placement

Patients were treated by three different dental practices, and each clinician performed the surgery applying the same surgery procedures.

The clinicians under local anaesthesia and according to the manufacturer's instructions placed dental implants with a sandblasted and acid‐etched surface. Sites with sufficient keratinized mucosa (minimum 1 mm of keratinized mucosa measured with probe) at the alveolar crest and sufficient bone volume were considered as standard sites. When sites showed a sufficient bone volume, an initial gingival graft from the palate was performed to reinstall keratinized mucosa at the alveolar crest, where needed.

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