Clinical examinations were done to note the sites which bleed on probing, sites with clinical attachment loss
, and probing pocket depth.
 Chronic periodontitis patients were characterised into three categories depending on level of average clinical attachment loss
, slight: 1-2 mm CAL, moderate: 3-4 mm CAL and severe: [greater than or equal to] 5 mm CAL.
Table 1 shows that periodontal tissue destruction (including bone loss) and local inflammation were significantly more severe in diabetics, particularly in the G1 group, which presented a high percentage of periodontal sites with bleeding on probing, probing depth [greater than or equal to] 6 mm, clinical attachment loss
[greater than or equal to] 5 mm, and suppuration.
The mean values observed in the periodontitis group on the basis of the amount of clinical attachment loss
show moderate to severe destruction of the periodontal tissue.
The inclusion criteria were no site with clinical attachment loss
, no site with PD > 3 mm, no bone loss on radiographs, and less than 10% of sites with bleeding on probing.
Our working group also compared data from dental practices with data from SHIP using probing depth, clinical attachment loss
, and the age-specific number of teeth as benchmarking profiles  and found a high correlation between attachment loss and the number of teeth .
Sixty patients, with a periodontal probing depth [greater than or equal to] 4mm and clinical attachment loss
[greater than or equal to] 2 mm in at least 30% of their teeth, were diagnosed as the chronic periodontitis group.
Out of 120 individuals with good glycaemic control, 65 subjects (54.2%) had no clinical attachment loss
; 47 subject (39.2%) had slight periodontitis; 8 (6.7%) had moderate periodontitis and none had severe periodontitis.
(7) For example, increased periodontal probing depth (PPD), clinical attachment loss
(CAL) and a higher percentage of missing teeth are observed for M.
All women underwent cone-beam computed tomography of the jaw and a complete periodontal examination to determine the plaque score, periodontal probing depth, clinical attachment loss
, bleeding on probing, and alveolar bone height.
 The control (healthy), non periodontal cases comprised 23 subjects mainly dental students, employees of college and healthy volunteers (M=11, F=13, age group 20-63 years), none of whom exhibited clinical signs over 5 mm or any clinical attachment loss
. In none of the participants was cardiovascular disease or any other ongoing general disease or infections diagnosed.