Exhibit 4.2 AMENDMENT TO SHAREHOLDER RIGHTS AGREEMENTShareholder Rights Agreement • November 29th, 2002 • Monarch Dental Corp • Services-health services • Delaware
Contract Type FiledNovember 29th, 2002 Company Industry Jurisdiction
BY AND AMONGMerger Agreement • November 29th, 2002 • Monarch Dental Corp • Services-health services • Delaware
Contract Type FiledNovember 29th, 2002 Company Industry Jurisdiction