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Journal Article
Multicenter Study
Observational Study
Survival of dental implants in patients with Down syndrome: A case series.
Journal of Prosthetic Dentistry 2016 December
STATEMENT OF PROBLEM: The need for tooth replacement in individuals with Down syndrome (DS) is explained by the high prevalence of dental agenesis and by the premature loss of teeth through severe periodontal disease. Dental implants may be the dental procedure of choice in some of these patients.
PURPOSE: The purpose of this clinical study was to analyze dental implant survival in a series of patients with DS.
MATERIAL AND METHODS: This was a multicenter, retrospective, observational study. Information on patients was gathered using a standardized questionnaire designed specifically for this study, including personal details, oral health status, information on the surgical and prosthetic phases, and follow-up visits. The questionnaire was sent to centers registered with the research network of the Spanish Society of Special Needs Dentistry (SEOENE). Patients with DS aged 18 years or older were included in the study if they had at least 1 dental implant and the corresponding prosthesis and had been followed up for at least a year.
RESULTS: The study population was formed of 25 adult patients (13 men and 12 women) aged between 19 and 60 years. The interventions were performed by 5 different dental surgeons, usually under general anesthesia or deep sedation (n=17 patients). A total of 73 implants were inserted, 30 in the maxilla and 43 in the mandible, most commonly in the anterior region (n=51). The mean time to loading the implants was 4.1 ±1.3 months after surgery (range, 1 to 7 months). All patients completed prosthetic rehabilitation; the most frequent design used was the single fixed prosthesis (n=13 patients). A total of 17 (23.2%) implants failed in 8 (32%) patients; the majority (n=14 implants) failed in the postsurgical period before implant loading. The distribution by patients was 1 implant failure in 6 patients, 3 failures in 1 patient, and 8 failures in 1 patient.
CONCLUSIONS: Dental implant survival is lower in individuals with DS than in the general population. The reasons for early implant failure in these patients have still not been clearly identified.
PURPOSE: The purpose of this clinical study was to analyze dental implant survival in a series of patients with DS.
MATERIAL AND METHODS: This was a multicenter, retrospective, observational study. Information on patients was gathered using a standardized questionnaire designed specifically for this study, including personal details, oral health status, information on the surgical and prosthetic phases, and follow-up visits. The questionnaire was sent to centers registered with the research network of the Spanish Society of Special Needs Dentistry (SEOENE). Patients with DS aged 18 years or older were included in the study if they had at least 1 dental implant and the corresponding prosthesis and had been followed up for at least a year.
RESULTS: The study population was formed of 25 adult patients (13 men and 12 women) aged between 19 and 60 years. The interventions were performed by 5 different dental surgeons, usually under general anesthesia or deep sedation (n=17 patients). A total of 73 implants were inserted, 30 in the maxilla and 43 in the mandible, most commonly in the anterior region (n=51). The mean time to loading the implants was 4.1 ±1.3 months after surgery (range, 1 to 7 months). All patients completed prosthetic rehabilitation; the most frequent design used was the single fixed prosthesis (n=13 patients). A total of 17 (23.2%) implants failed in 8 (32%) patients; the majority (n=14 implants) failed in the postsurgical period before implant loading. The distribution by patients was 1 implant failure in 6 patients, 3 failures in 1 patient, and 8 failures in 1 patient.
CONCLUSIONS: Dental implant survival is lower in individuals with DS than in the general population. The reasons for early implant failure in these patients have still not been clearly identified.
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