Journal of clinical periodontology · 2002
Comparison of periodontal disease status of adults in two untreated indigenous populations of Guatemala, Central America.
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Dowsett S A, Eckert G J, Kowolik M J
Аннотация
OBJECTIVE: To compare the periodontal disease levels of two distinct indigenous populations of Guatemala, Central America, to determine whether differences exist.
MATERIAL AND METHODS: Cross-sectional studies were performed in adults from the communities of San Juan La Laguna, SJLL (n = 125) and Tzununa (n = 54). In both cases, full-mouth pocket probing depths (PPDs) and clinical attachment levels (CALs) were measured by a single examiner, and the same examiner was employed in both studies. Recession at each site was derived from PPD and CAL measures.
RESULTS: Tooth number did not differ significantly between SJLL and Tzununa (28.0 and 27.2, respectively). With respect to periodontal disease status, the percentage of sites with PPD >or= 5, 6 and 7 mm did not differ significantly, although mean PPD was significantly greater in the Tzununa sample (P = 0.01). Mean CAL and percentage of sites with CAL >or= 4, 5, 6 and 7 mm was significantly greater in SJLL than in Tzununa (P < 0.005) and the difference increased with age. Mean recession was also significantly greater in SJLL than Tzununa (P < 0.005), as was the percentage of sites with recession >or= 3 mm (P = 0.02), 4 mm (P = 0.002) and 5 mm (P = 0.008).
CONCLUSION: The disease levels differed between these two indigenous Guatemalan communities. Whether this has a primarily environmental or genetic basis remains to be elucidated. :
MATERIAL AND METHODS: Cross-sectional studies were performed in adults from the communities of San Juan La Laguna, SJLL (n = 125) and Tzununa (n = 54). In both cases, full-mouth pocket probing depths (PPDs) and clinical attachment levels (CALs) were measured by a single examiner, and the same examiner was employed in both studies. Recession at each site was derived from PPD and CAL measures.
RESULTS: Tooth number did not differ significantly between SJLL and Tzununa (28.0 and 27.2, respectively). With respect to periodontal disease status, the percentage of sites with PPD >or= 5, 6 and 7 mm did not differ significantly, although mean PPD was significantly greater in the Tzununa sample (P = 0.01). Mean CAL and percentage of sites with CAL >or= 4, 5, 6 and 7 mm was significantly greater in SJLL than in Tzununa (P < 0.005) and the difference increased with age. Mean recession was also significantly greater in SJLL than Tzununa (P < 0.005), as was the percentage of sites with recession >or= 3 mm (P = 0.02), 4 mm (P = 0.002) and 5 mm (P = 0.008).
CONCLUSION: The disease levels differed between these two indigenous Guatemalan communities. Whether this has a primarily environmental or genetic basis remains to be elucidated. :