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COAST DENTAL SERVICES, INC.
EXHIBIT 11.1
COMPUTATION OF PER SHARE EARNINGS (LOSS)

|                                                                              |  |                          |           |      |  |      |            |   |  |   |            |  
|----------------------------------------------------------------------------- |  | ------------------------ | --------- | ---- |  | ---- | ---------- | - |  | - | ---------- | -
|                                                                              |  | Years Ended December 31,
|                                                                              |  |                         
|                                                                              |  | 1999                     |           | 2000 |  | 2001
|                                                                              |  |                          |           |      |  |     
|Net income (loss)                                                             |  | $                        | 656,325   |      |  | $    | (1,263,940 | ) |  | $ | (9,366,661 | )
|                                                                              |  |                          |           |      |  |      |            |   |  |   |            |  
|Shares:                                                                       |  |                          |           |      |  |      |            |   |  |   |            |  
|Basic weighted average number of shares outstanding                           |  |                          | 2,302,054 |      |  |      | 2,097,611  |   |  |   | 2,091,223  |  
|Additional shares issuable under stock options for diluted
earnings per share |  |                          |          |      |  |      |           |   |  |   |           |  
|                                                                              |  |                          |           |      |  |      |            |   |  |   |            |  
|Diluted weighted average number of shares outstanding                         |  |                          | 2,302,054 |      |  |      | 2,097,611  |   |  |   | 2,091,223  |  
|                                                                              |  |                          |           |      |  |      |            |   |  |   |            |  
|Basic earnings (loss) per share:                                              |  |                          |           |      |  |      |            |   |  |   |            |  
|Net income (loss)                                                             |  | $                        | 0.29      |      |  | $    | (0.60      | ) |  | $ | (4.48      | )
|                                                                              |  |                          |           |      |  |      |            |   |  |   |            |  
|Diluted earnings (loss) per share:                                            |  |                          |           |      |  |      |            |   |  |   |            |  
|Net income (loss)                                                             |  | $                        | 0.29      |      |  | $    | (0.60      | ) |  | $ | (4.48      | )
|                                                                              |  |                          |           |      |  |      |            |   |  |   |            |