“…Periodontal parameters examined have included gingivitis, clinical attachment loss, and alveolar bone loss (Tomar & Asma, 2000). Studies have shown a relationship between poor glycemic control and periodontal disease parameters (Cutler et al, 1999;Guzman et al, 2003;Tervonen et al, 1994;Tsai et al, 2002). Finally, studies have been done which suggest that poorly controlled diabetics respond less successfully to periodontal therapy relative to well-controlled and non-diabetics (Westfelt et al, 1996;Tervonan & Karjalainen, 1997).…”