A study of distribution, prevalence and relationship of the localized periodontitis of first and second molar root fusion

Choi, Byung-Kook; Hong, Kiseok; Chung, Chin-Hyung; Lim, Sung-Bin

doi:10.5051/jkape.2006.36.2.503

Cited by 1 publication

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“…Ross and Evanchik [ 11 ] reported that a relatively high proportion of Europeans (70%) had one or more maxillary molars and 54% had one or more mandibular molars with fused roots. In the studies of Choi et al [ 28 ] and Ryu et al [ 29 ], root fusion demonstrated higher prevalence in the maxilla than mandible, and was the highest in the second maxillary molar. When we analyzed the degree of periodontal tissue destruction according to root shape, the second molars with root fusion (type V) had a greater risk of increased probing depth and periodontal attachment loss.…”

Section: Discussionmentioning

confidence: 99%

“…When we analyzed the degree of periodontal tissue destruction according to root shape, the second molars with root fusion (type V) had a greater risk of increased probing depth and periodontal attachment loss. In the correlation of root fusion and local inflammation, Choi et al [ 28 ] reported a significance increase in clinical index-probing depth, gingival index, and tooth mobility in both the maxilla and mandible. Likewise, Hou and Tsai [ 8 , 30 ] described the correlation between root fusion and periodontal disease in a Chinese population.…”

Section: Discussionmentioning

confidence: 99%

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Analysis of periodontal attachment loss in relation to root form abnormalities

Chung

Jeong

2013

J Periodontal Implant Sci

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PurposeThe aim of this study was to explore root shape abnormalities, to investigate the influence of root form abnormalities on periodontal attachment loss, and to gather basic data to assist in the diagnosis and treatment of aggressive periodontitis.MethodsFrom January 2010 to June 2012, a survey was conducted of all 3,284 periodontitis patients who visited the Department of Periodontology, Daejeon Dental Hospital, Wonkwang University School of Dentistry. Clinical parameters (probing depth, periodontal attachment loss, missing teeth) were measured and a radiographic examination was performed at the baseline. We classified the root shape abnormality of bicuspids and molars based on Meng classification.ResultsThe periodontal attachment loss was the highest at the maxillary first molar (6.03 mm). The loss of the second molar was prominent. Type V deformity was shown to be the most common in the second maxillary and mandibular molars (P<0.05). Type V root shape was associated with the highest attachment loss (P=0.01).ConclusionsConsidering the small population and limited design of this study, definitive conclusions cannot be drawn. We suggest larger scale, methodologically more sophisticated studies that include normal controls and chronic periodontitis patients to clarify whether root form abnormalities are a potential risk factor for aggressive periodontitis.

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Section: Discussionmentioning

confidence: 99%