Journal of Indian Society of Periodontology · 2018
Prospective evaluation of periodontally diseased molars in smokers using the Miller-McEntire Periodontal Prognostic Index.
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Gopalakrishnan Dharmarajan, Miller Preston Dallas, Mahuli Amit Vasant, Sangamithra Sidharthan, Phantumvanit Prathip, Buranawat Borvornwut
Аннотация
BACKGROUND: The purpose of this 2-year prospective survival analysis study is to determine a statistically validated periodontal prognostic score for diseased molars in smokers using the Miller-McEntire Periodontal Prognostic Index (MMPPI).
MATERIALS AND METHODS: Two hundred molars were evaluated from 25 patients who were smokers with moderate-to-severe chronic periodontitis. The factors evaluated included age, probing depth, mobility, furcation involvement, smoking, and molar type. A modified, 5 level, scoring criterion for smoking based on smoking-dose was adopted. MMPPI was computed as the sum of scores for all six prognostic factors. Appropriate periodontal treatment and supportive periodontal therapy were provided. All patients were evaluated at baseline and 2 years posttreatment. Hazard risk ratio (HR) was computed for each prognostic factor.
RESULTS: A total of 3 (1.5%) teeth of the 200 molars were extracted over the 2-year follow-up duration, with a mean of 0.015 teeth lost. The HR was found as significantly higher for three individual prognostic factors: mobility (HR = 5.57, P = 0.02), smoking (HR = 3.35, P = 0.04), and furcation involvement (HR = 7.30, P = 0.01). Significant and positive HR (HR = 1.70, P = 0.01) was noted for the total MMPPI score, validating its prognostic value for molar survival at 2 years prospectively.
CONCLUSIONS: The findings of the current study demonstrate the prognostic validity of MMPPI incorporating a more detailed smoking score criterion. The factors smoking, furcation involvement, and mobility significantly impacted the likelihood of survival of periodontally diseased molars. Further studies with a larger sample size and longer follow-up are required to confirm these findings.
MATERIALS AND METHODS: Two hundred molars were evaluated from 25 patients who were smokers with moderate-to-severe chronic periodontitis. The factors evaluated included age, probing depth, mobility, furcation involvement, smoking, and molar type. A modified, 5 level, scoring criterion for smoking based on smoking-dose was adopted. MMPPI was computed as the sum of scores for all six prognostic factors. Appropriate periodontal treatment and supportive periodontal therapy were provided. All patients were evaluated at baseline and 2 years posttreatment. Hazard risk ratio (HR) was computed for each prognostic factor.
RESULTS: A total of 3 (1.5%) teeth of the 200 molars were extracted over the 2-year follow-up duration, with a mean of 0.015 teeth lost. The HR was found as significantly higher for three individual prognostic factors: mobility (HR = 5.57, P = 0.02), smoking (HR = 3.35, P = 0.04), and furcation involvement (HR = 7.30, P = 0.01). Significant and positive HR (HR = 1.70, P = 0.01) was noted for the total MMPPI score, validating its prognostic value for molar survival at 2 years prospectively.
CONCLUSIONS: The findings of the current study demonstrate the prognostic validity of MMPPI incorporating a more detailed smoking score criterion. The factors smoking, furcation involvement, and mobility significantly impacted the likelihood of survival of periodontally diseased molars. Further studies with a larger sample size and longer follow-up are required to confirm these findings.