The results of this study showed that an adequate band of keratinized mucosa was related with less plaque accumulation and mucosal inflammation as well as pro-inflammatuar mediators, suggesting that it may be critical especially for plaque control and plaque associated mucosal lesions around dental implants.

A total of 36 patients (17 men and 19 women) with 109 implants were evaluated. Mean age was 44.8 (18.3) years. The overall cumulative survival rate was 69.4%; 75% for nonirradiated patients and 62.5% for irradiated patients. Three months after prostheses insertion, no skin reaction was observed in 12 patients, grade 1 and 2 reactions was observed in 16 patients, and granulation was observed in 7 patients. In 2 years, grade 2 and 3 reactions decreased. Slight incensement was observed in skin reactions after the second year. Patients' satisfaction on appearance decreased after 1 year. A statistically significant increase was found in comfort, retention, ease of use, and self-confidence (P < 0.05).The long-term predictability of orbital implants is still questionable. Therefore, orbital implants should be used in patients who understand complications, and meticulous hygiene is required. Although complications are relatively frequent in the orbit, implant-retained prostheses enhance the patients' quality of life, providing self-confidence.

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